Grizzly Saw G0668 User Manual

MODEL G0668

20" VERTICAL METAL-CUTTING

BANDSAW

OWNER'S MANUAL

WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE

OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.

#TS10278 PRINTED IN TAIWAN

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Table of Contents

INTRODUCTION............................................... 2

SECTION 5: ACCESSORIES......................... 31

Foreword........................................................ 2

Contact Info ................................................... 2

Machine Data Sheet ...................................... 3

Identification................................................... 5

Control Panel Identification............................ 6

SECTION 6: MAINTENANCE......................... 32

Schedule...................................................... 32

Cleaning....................................................... 32

Redressing Rubber Tires............................. 33

Lubrication ................................................... 33

SECTION 1: SAFETY....................................... 7

Safety Instructions for Machinery .................. 7

Safety Instructions for

SECTION 7: SERVICE ................................... 34

Troubleshooting ........................................... 34

Lower Wheel Pulley Alignment.................... 36

Tensioning V-Belts....................................... 36

Replacing V-Belts ........................................ 37

Adjusting Wheel Brush ................................ 37

Wheel Alignment.......................................... 38

Aligning Table to Blade................................ 40

Blade Guides ............................................... 41

Electrical & Control Wiring Diagram ............ 42

Inverter Wiring Diagram............................... 43

Electrical Components................................. 44

Motor Wiring Diagram.................................. 45

Welding Station Wiring Diagram.................. 46

Metal Cutting Bandsaws................................ 9

SECTION 2: CIRCUIT REQUIREMENTS ...... 10

220V 3-Phase Operation ............................. 10

SECTION 3: SETUP ....................................... 11

Setup Safety ................................................ 11

Items Needed for Setup............................... 11

Unpacking.................................................... 11

Clean Up...................................................... 12

Site Considerations...................................... 12

Mounting to Shop Floor ............................... 13

Moving & Placing......................................... 13

Test Run ...................................................... 14

Recommended Adjustments........................ 15

SECTION 8: PARTS....................................... 47

Cabinet......................................................... 47

Table & Lower Guide................................... 48

Motor & Lower Wheel.................................. 49

Welding Station............................................ 50

Guide Post................................................... 52

Upper Wheel................................................ 53

Labels .......................................................... 54

SECTION 4: OPERATIONS ........................... 16

Operation Safety.......................................... 16

Cutting Overview ......................................... 16

Cutting Tips.................................................. 17

Workpiece Inspection .................................. 17

Basic Controls.............................................. 18

Blade Selection............................................ 19

Blade Breakage ........................................... 22

Blade Care & Break-In................................. 22

Chip Inspection Chart .................................. 23

Blade Changes ............................................ 24

Blade Tensioning......................................... 25

Guide Post................................................... 25

Adjusting Blade Guides & Support .............. 26

Adjusting Table Tilt ...................................... 27

Blade Welding.............................................. 28

WARRANTY AND RETURNS ........................ 57

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INTRODUCTION

Contact Info

Foreword

If you have any comments regarding this manual,

please write to us at the address below:

We are proud to offer the Model G0668 20"

Vertical Metal-Cutting Bandsaw. This machine

is part of a growing Grizzly family of fine met-

alworking machinery. When used according to

the guidelines set forth in this manual, you can

expect years of trouble-free, enjoyable operation

and proof of Grizzly’s commitment to customer

satisfaction.

Grizzly Industrial, Inc.

Technical Documentation Manager

P.O. Box 2069

Bellingham, WA 98227-2069

Email: [email protected]

We stand behind our machines. If you have any

service questions or parts requests, please call or

write us at the location listed below.

The specifications, drawings, and photographs

illustrated in this manual represent the Model

G0668 when the manual was prepared. However,

owing to Grizzly’s policy of continuous improve-

ment, changes may be made at any time with no

obligation on the part of Grizzly.

Grizzly Industrial, Inc.

1203 Lycoming Mall Circle

Muncy, PA 17756

Phone: (570) 546-9663

Fax: (800) 438-5901

E-Mail: [email protected]

Web Site: http://www.grizzly.com

For your convenience, we always keep current

Grizzly manuals available on our website at

www.grizzly.com. Any updates to your machine

will be reflected in these manuals as soon as they

are complete. Visit our site often to check for the

latest updates to this manual!

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Machine Data Sheet

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Identification

Front View

Rear View

Figure 1. Model G0668 identification.

A. Blade Shear

B. Upper Wheel Door

J. Machine Mounting Flange

K. Lower Wheel Door

C. Guide Post Elevation Handwheel

D. Guide Post Lock Knob

E. Work Light (220V)

F. Air Hose & Jet

G. Blade Tension Handwheel

H. Table Tilt Scale

L. Lower Blade Guide Assembly

M. Table

N. Upper Blade Guide Assembly

O. Guide Post and Blade Guard

P. Bandsaw Power Control Panel

Q. Blade Welding Station

I. Motor Access Panel

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Control Panel Identification

A. Digital Speed Display (FPM)

B. Variable Speed Dial

C. Welding ON Button

D. Annealing ON Button

E. Clamping Pressure Dial

F. Welding Clamp

G. Welding Clamp Lock Levers

H. Grinding Wheel ON/OFF Switch

I. Grinding Wheel

J. Power Switch & Key

K. Power Lamp

L. Bandsaw Start Button

M. Emergency Stop Button

Figure 2. Control panel identification.

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Safety Instructions for Machinery

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Safety Instructions for Metal Cutting

Bandsaws

1. BLADE CONDITION. Do not operate with

dull, cracked or badly worn blade that can

break during operation or decrease the per-

formance of the bandsaw. Inspect blades

for cracks and missing teeth before each

use.

7. CUTTING FLUID SAFETY. Cutting fluids

are poisonous. Always follow manufactur-

er’s cutting-fluid safety instructions. Pay

particular attention to contact, contamina-

tion, inhalation, storage and disposal warn-

ings. Spilled cutting fluid invites slipping

hazards.

2. BLADE REPLACEMENT. Wear gloves to

protect hands and safety glasses to pro-

tect eyes when replacing the blade. When

replacing blades, make sure teeth face

forward and down toward the table in the

direction of blade travel.

8. ENTANGLEMENT HAZARDS. Always

keep the blade guard correctly positioned

and wheel doors closed and secured when

bandsaw is in operation. Loose clothing,

jewelry, long hair and work gloves can be

drawn into working parts.

3. WORKPIECE HANDLING. Your hands can

be drawn into the blade during operation if

the workpiece moves unexpectedly. Always

keep your hands a safe distance away from

the moving blade.

9. MAINTENANCE/SERVICE. All inspections,

adjustments, and maintenance are to be

done with the power OFF and the plug

pulled from the outlet. Wait for all moving

parts to come to a complete stop.

4. FIRE HAZARD. Use EXTREME CAUTION

if cutting magnesium. Using the wrong cut-

ting fluid will lead to chip fire and possible

explosion.

10. ROUND/UNSTABLE

WORKPIECES.

Workpieces that cannot be supported or

stabilized without a vise or jig should not

be cut on a vertical metal-cutting bandsaw,

because they can unexpectedly move while

cutting and draw the operator's hands into

the blade causing serious personal injury.

Examples are chains, cables, round or

oblong-shaped workpieces, workpieces

with internal or built-in moving or rotations

parts, etc.

5. WELDING AND GRINDING SAFETY. The

welding station represents a serious hazard.

DO NOT touch any metal parts of the blade,

welder, or machine when activating the

welder. Keep your hands a safe distance

away from the grinding wheel when in use.

6. HOT SURFACES. Be aware that touch-

ing hot workpieces or chips after welding,

grinding, or cutting can cause burns.

11. EXPERIENCING DIFFICULTY. If at any

time you are experiencing difficulties per-

forming the intended operation, stop using

the machine! Contact our Technical Support

Department at (570) 546-9663.

No list of safety guidelines can be complete. Every shop environment is different. Always con-

sider safety first, as it applies to your individual working conditions. Use this and other machin-

ery with caution and respect. Failure to do so could result in serious personal injury, damage to

equipment, or poor work results.

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SECTION 2: CIRCUIT REQUIREMENTS

Power Connection Device

220V 3-Phase

The type of plug required to connect your machine

to power depends on the type of service you cur-

rently have or plan to install. We recommend

using the plug shown in Figure 3.

Operation

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Serious personal injury could occur if you

connect the machine to power before com-

pleting the setup process. DO NOT connect

the machine to the power until instructed

later in this manual.

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Electrocution or fire could

result if machine is not

grounded and installed in

compliance with electrical

codes. Compliance MUST

be verified by a qualified

electrician!

Figure 3. NEMA 15-15 plug and receptacle.

Extension Cords

Using extension cords may reduce the life of the

motor. Instead, place the machine near a power

source. If you must use an extension cord:

•

Use at least a 14 gauge cord that does not

exceed 50 feet in length!

Full Load Amperage Draw

Motor Draw at 220V ................................7 Amps

The extension cord must also have a ground

wire and plug pin.

Power Supply Circuit Requirements

You MUST connect your machine to a grounded

circuit that is rated for the amperage given below.

Never replace a circuit breaker on an existing cir-

cuit with one of higher amperage without consult-

ing a qualiﬁed electrician to ensure compliance

with wiring codes. If you are unsure about the

wiring codes in your area or you plan to con-

nect your machine to a shared circuit, consult

a qualified electrician.

A qualified electrician MUST size cords over

50 feet long to prevent motor damage.

Phase Converter Precaution

The power from the manufactured leg of a phase

converter may damage electrical components if

connected to the wrong incoming power terminal

on your machine. Only connect the manufactured

leg to the S terminal (see the Electrical & Control

Wiring Diagram on Page 42 for identification).

Minimum Circuit 220V 3-Phase.............15 Amps

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SECTION 3: SETUP

Items Needed for

Setup Safety

Setup

The following items are needed to complete the

setup process, but are not included with your

machine:

This machine presents

serious injury hazards

to untrained users. Read

through this entire manu-

al to become familiar with

the controls and opera-

tions before starting the

machine!

Description

Qty

•

Assistants................................................... 2

Safety Glasses (for each person) .............. 1

Lifting Straps (rated for 1500 lbs.)

.....................................................2 Or More

Forklift (rated for 1500 lbs.)........................ 1

Floor Mounting Hardware........... As Needed

•

Wear safety glasses or

a face shield during the

entire setup process!

Unpacking

Your machine was carefully packaged for safe

transportation. Remove the packaging materials

from around your machine and inspect it. If you

discover the machine is damaged, please imme-

diately call Customer Service at (570) 546-9663

for advice.

This bandsaw is a heavy

machine. Serious per-

sonal injury may occur if

safe moving methods are

not used. To be safe, get

assistance and use power

equipment rated for over

1500 lbs. to move the ship-

ping crate and remove the

machine from the crate.

Save the containers and all packing materials for

possible inspection by the carrier or its agent.

Otherwise, filing a freight claim can be difficult.

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degreaser

Clean Up

Site Considerations

The unpainted surfaces are coated with a waxy

oil to prevent corrosion during shipment. Remove

this protective coating with a solvent cleaner

or degreaser shown in Figure 4. For thorough

cleaning, some parts must be removed. For opti-

mum performance from your machine, clean

all moving parts or sliding contact surfaces.

Avoid chlorine-based solvents, such as acetone

or brake parts cleaner that may damage painted

surfaces. Always follow the manufacturer’s instruc-

tions when using any type of cleaning product.

Floor Load

Refer to the Machine Data Sheet on Page 3 for

the weight and footprint specifications of your

machine. Some floors may require additional

reinforcement to support both the machine and

operator.

Placement Location

Consider existing and anticipated needs, size of

material to be processed through each machine,

and space for auxiliary stands, work tables or

other machinery when establishing a location for

your new machine. See Figure 5 for the minimum

working clearances.

Gasoline and petroleum

products have low flash

points and can explode

or cause fire if used to

clean machinery. DO

NOT use these products

to clean the machinery.

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Many cleaning solvents

are toxic if inhaled.

Minimize your risk by only

using these products in a

well ventilated area.

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Figure 5. Minimum working clearances (top

G2544—Solvent Cleaner & Degreaser

A great product for removing the waxy shipping

view).

grease from your machine during clean up.

Figure 4. Cleaner/degreaser available from

Grizzly.

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Mounting to Shop

Floor

Moving & Placing

The bandsaw center of gravity is above the middle

of the machine. Although not required, we strong-

ly recommend that you mount your new machine

to the floor to prevent tipping. Because this is an

optional step and floor materials may vary, floor

mounting hardware is not included.

This bandsaw is a heavy

machine. Serious per-

sonal injury may occur if

safe moving methods are

not used. To be safe, get

assistance and use power

equipment rated for over

1500 lbs. to move the ship-

ping crate and remove the

machine from the crate.

Bolting to Concrete Floors

Anchor studs and lag bolts (Figure 6) are two

popular methods for anchoring an object to a con-

crete floor. We suggest you research the many

options and methods for mounting your machine

and choose the best that fits your specific applica-

tion.

To lift and move the bandsaw:

1. Position lifting straps under the head of the

bandsaw and on the forklift forks, as shown

in Figure 7.

NOTICE

Anchor studs are stronger and more perma-

nent alternatives to lag bolts; however, they

will stick out of the floor, which may cause

a tripping hazard if you decide to move your

machine.

Anchor Stud

Figure 7. Lifting straps positioned on bandsaw.

Lag Anchor & Bolt

Only use lifting straps and power lifting

equipment rated for at least 1500 lbs. and

in good working condition. If the bandsaw

falls or tips over while moving it, serious

personal injury and property damage could

result.

Figure 6. Typical fasteners for mounting to

concrete floors.

NOTICE

We strongly recommend securing your

machine to the floor if it is hardwired to the

power source. Consult with your electrician

to ensure compliance with local codes.

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2. Unbolt the bandsaw from the pallet.

5. Place the key in the Power Switch and turn it

to the ON position—the Power Lamp should

light.

3. With two assistants to steady the bandsaw,

slowly lift it just enough to clear the pallet and

floor obstacles, then move it to the prepared

location.

6. Push the Emergency Stop button in, then

twist it clockwise so it pops out. When the

Emergency Stop button pops out, the switch

is reset and ready for operation (see Figure

8).

4. Use shims between the machine mounting

flanges and the floor to level the bandsaw.

Note: Tighten the mounting fasteners evenly

to avoid warping or cracking the base.

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Test Run

��

Once the bandsaw is in place, test run your

machine to make sure it runs properly and is ready

for regular operation. The test run consists of veri-

fying the following: 1) The bandsaw motor powers

up and runs correctly, and 2) the Emergency Stop

button safety feature works correctly.

Figure 8. Emergency stop button.

7. Push the Start button to turn the machine

ON.

8. Verify that the machine is operating cor-

If, during the test run, you cannot easily locate

the source of an unusual noise or vibration,

stop using the machine immediately, then review

Troubleshooting on Page 34.

rectly.

—When operating correctly, the machine

runs smoothly with little or no vibration or

rubbing noises.

If you cannot find a remedy, contact our Tech

Support at (570) 546-9663 for assistance.

—Investigate and correct strange or unusual

noises or vibrations before operating the

machine further. Always disconnect the

machine from power when investigating or

correcting potential problems.

To test run the bandsaw:

1. Read and follow the safety instructions at the

beginning of the manual, and make sure the

machine is setup properly.

9. Verify that the motor is running in the correct

direction.

2. Clear all tools and objects used during setup

away from the machine, and make sure both

wheel doors are closed and secured.

—When the motor is running in the correct

direction, the blade will be moving down

into the table.

3. Make sure the blade is properly tensioned

and the blade guides are positioned correctly

(refer to Blade Tensioning on Page 25, and

Adjusting Blade Guides on Page 26 for

detailed instructions).

—If the motor is NOT running in the correct

direction, stop the machine, disconnect the

machine from power, and switch any two

incoming power leads inside the motor wir-

ing junction box (refer to the Motor Wiring

Diagram on Page 45 for detailed illustra-

tions).

4. Connect the machine to the power source.

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10. Press the Emergency Stop button to stop the

Recommended

Adjustments

machine.

11. WITHOUT resetting the switch, press the

Start button. The machine should not start.

For your convenience, the adjustments listed

below have been performed at the factory.

—Ifthemachinedoesnotstart,theEmergency

Stop button safety feature is working cor-

rectly.

However, because of the many variables involved

with shipping, we recommend that you at least

verify the following adjustments to ensure the best

possible results from your new machine.

—If the machine does start (with the stop

button pushed in), immediately disconnect

power to the machine. The Emergency

Stop button safety feature is not working

correctly. This safety feature must work

properly before proceeding with regular

operations. Call Tech Support for help.

Step-by-step instructions for these adjustments

can be found in the SERVICE section starting on

Page 34.

Factory adjustments that should be verified:

12. Reset the Emergency Stop button by twisting

it clockwise until it pops out.

1. Lower wheel pulley alignment (refer to Page

36).

13. Turn the Power Switch key to the OFF posi-

tion—the Power Lamp should go out.

2. Tensioning V-belts (refer to Page 36).

NOTICE

The Power Switch is intended to prevent

unauthorized use of this machine. The Power

Switch does not disconnect the bandsaw

from power. To avoid the risk of serious per-

sonal injury, you MUST physically disconnect

the bandsaw from the power source before

performing adjustments, maintenance, or

service to this machine.

After the first 16 hours of operation, new

V-belts will stretch and seat farther into the

pulleys. To avoid slippage, re-tension new

V-belts after this period.

3. Wheel alignment (refer to Page 38).

4. Table alignment relative to the blade (refer to

Page 40).

14. Press the Start button.

—If the machine does not start, the Power

Switch safety feature is working correctly.

—If the machine does start with the Power

Switch key turned to the OFF position,

immediately disconnect power to the

machine. The Power Switch safety feature

is not working correctly. This safety feature

must work properly before proceeding with

regular operations. Call Tech Support for

help.

If all of the Test Run procedures were successful,

your bandsaw is ready for operation.

G0668 20" Vertical Metal-Cutting Bandsaw

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SECTION 4: OPERATIONS

Operation Safety

Cutting Overview

The vertical metal cutting bandsaw has a flexible

continuous blade that cuts in one direction. The

type of bandsaw blade and the speed of the blade

to be used depends on the workpiece material

and the type of cut required.

To reduce the risk of

serious injury when using

this machine, read and

understand this entire

manual before beginning

any operations.

This type of bandsaw can be used for straight cuts,

angular cuts, curved or contour cuts, and internal

cuts. Straight cuts are made using workpiece fix-

tures and with a light, even pressure against the

blade. Angular cuts are made with the table and

workpiece tilted at an angle other than "0".

Damage to your eyes, lungs, and ears could

result from using this machine without

proper protective gear. Always wear safety

glasses, a respirator, and hearing protection

when operating this machine.

When an internal cut is to be made, a hole must

be drilled in the workpiece. The blade is then cut,

fed through the hole in the workpiece, welded

together again using the welding station, and re-

installed on the bandsaw to make the cut. The

welding station can also be used to fabricate new

blades and repair broken blades.

The blade is supported by upper and lower tung-

sten steel blade guides that keep the blade from

wandering during the cut.

The efficiency of the cutting operation can be eas-

ily checked by examining the shape and color of

the metal chips.

Loose hair, clothing, or

jewelry could get caught

in machinery and cause

serious personal injury.

Keep these items away

from moving parts at all

times to reduce this risk.

Workpieces that cannot be supported or

stabilized without a vise or jig should not

be cut on a vertical metal-cutting bandsaw,

because they can unexpectedly move while

cutting and draw the operator's hands into

the blade causing serious personal inju-

ry. Examples are chains, cables, round or

oblong-shaped workpieces, workpieces

with internal or built-in moving or rotations

parts, etc.

NOTICE

If you have never used this type of machine

or equipment before, WE STRONGLY REC-

OMMEND that you read books, trade maga-

zines, or get formal training before begin-

ning any projects. Regardless of the con-

tent in this section, Grizzly Industrial will

not be held liable for accidents caused by

lack of training.

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Cutting Tips

Workpiece

Inspection

•

Keep the upper blade guides adjusted to

approximately ⁄4" above the workpiece to

Some metal workpieces are not safe to cut with a

vertical metal cutting bandsaw; instead, a differ-

ent tool or machine should be used.

provide proper support for the blade during

cutting operations.

•

Replace, sharpen, and clean blades as nec-

essary. Make adjustments periodically to

keep the saw running in top condition.

Before cutting, inspect the material for any of

the following conditions and take the neces-

sary precautions:

Use light and even pressure while cutting.

Light contact with the blade makes it easier

to follow lines and prevents extra friction.

•

Small or Thin Workpieces: Small or thin

workpieces are dangerous to cut if held

by hand—avoid cutting these workpieces

if possible. If you must cut a small or thin

workpiece, attach it to or clamp it between

larger scrap pieces that will both support the

workpiece through the cut and keep your fin-

gers away from the blade. Some thin sheet

metals will not withstand the forces from this

bandsaw during cutting; instead, use a shear,

nibblers, or sheet metal nippers to cut these

pieces.

Avoid twisting the blade when cutting around

tight corners. Use the proper width of blade

for the radius of the corner and make relief

cuts.

•

Misusing the bandsaw or using incorrect

techniques is unsafe and results in poor cuts.

Remember—the blade does the cutting with

the operator's guidance.

•

Round/Unstable Workpieces: Workpieces

that cannot be properly supported or stabi-

lized without a vise or jig should not be cut on

a vertical metal-cutting bandsaw. Examples

are chains, cables, round or oblong-shaped

workpieces, workpieces with internal or built-

in moving or rotating parts, etc.

•

Never start a cut with the blade in contact

with the workpiece, and do not start a cut on

a sharp edge of the workpiece.

Pay attention to the characteristics of the

chips when cutting—they are good indica-

tors of proper blade speed and feed rate.

Figure 16 on Page 23 shows the basic chip

characteristics and what they mean.

•

Material Hardness: Always factor in the hard-

ness of the metal before cutting it. Hardened

metals will take longer to cut, may require

lubrication, and may require a different type

of blade in order to efficiently cut them.

ELECTROCUTION HAZARD

Tanks, Cylinders, Containers, Valves, Etc:

Cutting into containers that are pressur-

ized or contain gasses or liquids can cause

explosions, fires, caustic burns, or machine

damage. Avoid cutting any of these types of

containers unless you have verified that the

container is empty and it can be properly sup-

ported during a cut.

This bandsaw is not designed to be used

with water soluble cutting fluid or coolant.

If needed, use a small amount of oil-based

lubricant.

•

Magnesium: Pure magnesium burns eas-

ily. Cutting magnesium with a dull blade can

create enough friction to ignite the small

magnesium chips. Avoid cutting magnesium

if possible.

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Digital Speed Display: Shows blade speed in

feet per minute (FPM).

Basic Controls

Variable Speed Dial: Adjusts the blade speed

between 105–2102 FPM.

Use the descriptions and Figures 9–10 below to

become familiar with the basic controls of your

bandsaw.

Blade Welding Station: Welds two blade ends to

make a continuous loop when repairing a broken

blade, fabricating a new blade, or making internal

cuts.

Digital

Speed

Display

Variable

Speed

Power Switch: The main power switch for the

entire machine.

Blade

Welding

Dial

Power Lamp: Lights when the Power Switch is

turned ON and there is power to the machine.

Station

Power

Switch

Lamp

Start Button: Turns the bandsaw motor ON.

Emergency

Stop

Emergency Stop Button: Turns the bandsaw

motor OFF.

Start Button

Button

Figure 9. Electrical controls.

Blade Post Lock Knob: Secures the blade post

and upper blade guide assembly in position.

Blade Guide Elevation Handwheel: Raises/low-

ers the blade post and upper blade guide assem-

bly when rotated.

Blade Post

Lock Knob

Blade Tensioning Handwheel: Increases/

decreases blade tension when rotated.

Blade Guide

Elevation

Handwheel

Blade

Tensioning

Handwheel

The bandsaw blade is

sharp and can easily cut

your hand or fingers.

Always disconnect the

power and wear heavy

leather gloves when

making adjustments to

or near the blade.

Figure 10. Blade controls.

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blade widths and radius

blade selection

Blade Length

Measured by the blade circumference, blade

lengths are usually unique to the brand of your

bandsaw and the distance between the wheels.

Blade Selection

Selecting the right blade for the cut requires a

knowledge of various blade characteristics.

G0668 Blade Length Range..........154¹⁄2"–159³⁄4

Blade Terminology

Blade Width

Measured from the back of the blade to the tip of

the blade tooth (the widest point), blade width is

often the first consideration given to blade selec-

tion. Blade width dictates the largest and smallest

curve that can be cut, as well as how accurately

it can cut a straight line—generally the wider the

blade, the straighter it will cut. Always pick the

blade width that best suits your operation.

G0668 Blade Width Range .......................¹⁄8"–³⁄4

Curve Cutting: Use the chart in Figure 12

to choose the correct blade for curve cutting.

Determine the smallest radius curve that will be

cut on your workpiece and use the corresponding

blade width.

Figure 11. Bandsaw blade terminology.

A. Kerf: The amount of material removed by the

blade during cutting.

The list below shows the minimum radius

that can be cut by common blade widths.

B. Tooth Set: The amount each tooth is bent

left or right from the blade.

Width

Radius

⁄

8"....................................¹⁄8

C. Gauge: The thickness of the blade.

³⁄16"...................................³⁄8

⁄

4''....................................⁵⁄8''

D. Blade Width: The widest point of the blade

measured from the tip of the tooth to the back

edge of the blade.

8''....................................1¹⁄4''

2''....................................2¹⁄2''

8''....................................3³⁄4''

4''....................................5¹⁄2''

E. Tooth Rake: The angle of the tooth face

from a line perpendicular to the length of the

blade.

Figure 12. Blade width radii.

F. Gullet Depth: The distance from the tooth tip

to the bottom of the curved area (gullet).

G. Tooth Pitch: The distance between tooth

tips.

H. Blade Back: The distance between the bot-

tom of the gullet and the back edge of the

blade.

I. TPI: The number of teeth per inch measured

from gullet to gullet.

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Tooth Set

Tooth Type

The most common tooth types are described

below and illustrated in Figure 14.

Three common tooth sets are standard, wavy,

and raker (see Figure 13), each removing mate-

rial in a different manner to make the kerf in the

workpiece.

Standard or Raker: Equally spaced teeth set

a "0" rake angle. Recommended for all purpose

use.

��

Alternate

Wavy

Raker

��

Figure 13. Bandsaw tooth sets.

Alternate: An all-purpose arrangement of bend-

ing the teeth evenly left and right of the blade.

Generally used for milder metals.

Wavy: Generally three or more teeth in a group

that are bent one way, followed by a non-set

tooth, then another group bent the other way.

Recommended for straight cuts in thin metals or

thin-wall tubing.

��

Raker: Three teeth in a recurring group—one

bent left, next one bent right, and then a non-set

tooth. The raker is ideal for most contour cuts.

Figure 14. Bandsaw blade tooth types.

Variable Pitch (VP): Varying gullet depth and

tooth spacing, a "0" rake angle, excellent chip

removing capacity, and smooth cutting.

Variable Pitch with Positive Rake: Varying gul-

let depth and tooth spacing, a positive rake angle,

better chip formation, and aggressive cutting.

Hook or Claw: Wide gullets (round or flat), equal-

ly spaced teeth, positive rake angle, and fast cut

with good surface finish.

Skip or Skip Tooth: Wide, flat gullets, a "0" rake

angle, equally spaced teeth, and recommended

for non-ferrous materials.

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3. Refer to the "Material Shapes" row and find

Blade Pitch (TPI)

the shape of the material to be cut.

The chart below is a basic starting point for

choosing teeth per inch (TPI) for variable tooth

pitch blades and standard raker set bi-metal

blades/HSS blades. However, for exact specifica-

tions of bandsaw blades that are correct for your

operation, contact the blade manufacturer.

4. In the applicable row, read across to the right

and find the box where the row and column

intersect. Listed in the box is the minimum

TPI recommended for the variable tooth pitch

blades.

To select the correct blade pitch:

5. The "Cutting Speed Rate Recommendation"

section of the chart offers guidelines for vari-

ous metals, given in feet per minute (FPM).

Choose the speed closest to the number

shown in the chart.

1. Measure the material thickness. This mea-

surement is the length of cut taken from

where the tooth enters the workpiece, sweeps

through, and exits the workpiece.

2. Refer to the "Material Width/Diameter" row of

the blade selection chart in Figure 15, and

read across to find the workpiece thickness

you need to cut.

Material Width/Diameter

Teeth Per Inch (TPI) for Variable Pitch Blades

Material Shapes

��

� ��

��

�

��

Figure 15. General guidelines for blade selection and speed chart.

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Blade Breakage

Blade Care &

Break-In

Many conditions may cause a bandsaw blade to

break. Blade breakage is unavoidable, in some

cases, since it is the natural result of the peculiar

stresses that bandsaw blades must endure. Blade

breakage is also due to avoidable circumstances.

Avoidable blade breakage is most often the result

of poor care or judgement on the part of the

operator when mounting or adjusting the blade or

support guides.

Blade Care

A bandsaw blade is a delicate piece of steel that

is subjected to tremendous strain. A blade will last

longer if you give it fair treatment and always use

the appropriate feed rate for your operation.

Be sure to select blades with the proper width,

set, type, and pitch for each application. Using the

wrong blade often produces unnecessary heat

and shortens the life of the blade.

The most common causes of blade breakage

are:

•

Faulty alignment or adjustment of the blade

guides.

A clean blade performs much better than a dirty

blade. Dirty or gummed up blades pass through

the cutting material with much more resistance

than clean blades. This extra resistance also

causes unnecessary heat.

•

Forcing or twisting a wide blade around a

short radius.

•

Feeding the workpiece too fast.

Dull or damaged teeth.

Blade Break-In

The sharp teeth tips and edges of a new blade are

extremely sharp, and cutting at too fast of a feed

rate may fracture the beveled edges of the teeth

and cause premature blade wear.

Over-tensioned blade.

Top blade guide assembly set too high above

the workpiece. Adjust the top blade guide

assembly so that there is approximately ⁄4

To properly break-in a new blade:

between the bottom of the assembly and the

workpiece.

1. Choose the correct speed for the blade and

material of the operation.

•

Using a blade with a lumpy or improperly fin-

ished braze or weld.

2. Reduce the feed pressure by half for the first

50–100 in²of material cut.

Continuously running the bandsaw when not

in use.

3. To avoid twisting the blade when cutting,

reduce the feed pressure when the total width

of the blade is in the cut.

Leaving the blade tensioned when not in

use.

4. Use the Chip Inspection Chart on Page 23

to check the blade efficiency.

Using the wrong pitch (TPI) for the workpiece

thickness. The general rule of thumb is to

have at least three teeth in contact with the

workpiece at all times during cutting.

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chip inspection chart

Chip Inspection Chart

The best method of evaluating the performance of your cutting operation is to inspect the chips that are

formed. Refer to the chart below for chip inspection guidelines.

Chip

Appearance

Chip

Description

Chip

Color

Blade

Speed

Feed

Pressure

Additional

Actions

Thin & Curled

Silver

Good

Decrease

Good

Hard, Thick &

Short

Lubricate with

Light Oil

Brown or Blue

Decrease

Hard, Strong &

Thick

Lubricate with

Light Oil

Hard, Strong & Silver or Light

Decrease

Slightly

Check Blade

Pitch

Thick

Brown

Check Blade

Pitch

Hard & Thin

Silver

Increase

Good

Decrease

Increase

Decrease

Straight & Thin

Powdery

Silver

Decrease

Good

Curled Tight &

Thin

Check Blade

Pitch

Figure 16. Chip inspection chart.

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blade changes

Blade Changes

All saw blades are dan-

gerous and may cause

personal

injury.

reduce the risk of being

injured, wear heavy

leather gloves when han-

dling saw blades.

Alwaysdisconnectpower

to the machine when

changing blades. Failure

to do this may result in

serious personal injury.

6. Rotate the top wheel by hand several times

to make sure the blade tracks evenly without

wandering across the wheel surface.

To replace the blade:

1. DISCONNECT BANDSAW FROM POWER!

2. Open the upper and lower wheel doors.

Note: If the blade wanders across the wheel,

the wheel alignment may need to be adjust-

ed. Refer to Wheel Alignment on Page 38

for detailed instructions.

3. Release the blade tension by rotating the

tensioning handwheel.

7. Re-tension the blade (refer to Blade

Tensioning on Page 25).

4. Put on heavy leather gloves, then slide the

blade off the upper and lower wheels, around

the blade post, and through the table slit.

8. Check the upper and lower blade guides for

proper clearance (refer to Adjusting Blade

Guides on Page 26).

5. Install a new blade in reverse order (see

Figure 17).

Note: Generally if the replacement blade is

the same gauge, width, and type, blade guide

adjustment is not necessary. Otherwise, you

must re-adjust the blade guides.

9. Close and secure the upper and lower wheel

doors.

Figure 17. Placing blade on upper wheel.

Note: Make sure the teeth are pointing down

toward the table. If the teeth will not point

downward in any orientation, the blade is

inside out. Remove the blade and twist it right

side-out.

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blade tensioning

Guide Post

Blade Tensioning

The guide post assembly is used for two purpos-

es: 1) To properly position the blade guard to pro-

tect the operator from the exposed blade between

the workpiece and the upper wheel housing, and

2) to position the upper blade guides close to the

workpiece for blade support.

Proper blade tension reduces the risk of blade

breakage and improves cutting performance.

To correctly tension the blade:

1. DISCONNECT BANDSAW FROM POWER!

In order to cut accurately and safely, position the

2. Open the upper wheel door, and raise the

blade post and upper blade guide assembly

to the highest position.

bottom of the upper blade guides approximately

⁄4" above the workpiece—this positioning pro-

vides the greatest blade support and minimizes

the amount of blade exposed to the operator dur-

ing operation.

3. Check the side-to-side deflection of the blade

midway between the upper blade guide and

the table. The proper amount of deflection

To properly position the guide post:

should be approximately ⁄8" when moderate

pressure is applied (see Figure 18).

1. DISCONNECT BANDSAW FROM POWER!

Note: The quickest and easiest way to check

blade tension is to use the Model H5408

Blade Tensioning Gauge for a recommend-

ed setting of 25,000–30,000 PSI (refer to

Page 31).

2. Loosen the guide post lock knob (see Figure

19).

Guide

Post

Elevation

Handwheel

��^��

�

��

Guide Post

Lock Knob

Blade

Guard

Blade Guides

& Air Nozzle

Guide Post

Figure 18. Blade deflection when correctly

tensioned.

Figure 19. Guide post assembly.

4. Make small adjustments to the blade tension-

ing handwheel, then rotate the top wheel by

hand several times before checking the blade

deflection again. Repeat this step until you

are satisfied.

3. Use the guide post elevation handwheel to

position the bottom of the upper blade guides

approximately ⁄4" above the workpiece, then

re-tighten the lock knob.

5. Close the upper wheel door and reposition

the guide post.

NOTICE

To prolong blade life, release the tension on

the blade if the machine will be idle for an

extended period of time.

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adjusting blade guides

Blade Support

Cap Screw

Adjusting Blade

Guides & Supports

The blade guides and supports provide side-to-

side and rear support to keep the blade straight

while cutting. These devices have tungsten steel

facing to reduce wear on the surfaces. Properly

adjusted blade guides and supports are essential

to making accurate cuts.

Blade Guide Bracket

Cap Screw

To properly adjust the upper and lower blade

guides and supports:

Figure 21. Lower blade guides and bracket.

1. DISCONNECT BANDSAW FROM POWER!

4. Position the blade guides so that they are

approximately ⁄16" behind the tooth gullets

(see Figure 22), then re-tighten the blade

guide bracket cap screw.

2. Make sure the bandsaw blade is properly ten-

sioned (refer to Page 25) and the blade post

is in the correct position and locked.

3. Use a 6mm hex wrench to loosen the cap

screws that secure the blade guide bracket

and blade support (see Figures 20–21).

��

Blade Guide Bracket Cap Screw

^��

Figure 22. Blade guides positioned

approximately ¹⁄16" behind tooth gullets.

Blade Support

Cap Screw

NOTICE

Figure 20. Upper blade guides and bracket.

The blade guides must be adjusted far

enough back so that they are behind the

tooth gullets when the blade is deflected

back against the blade support during oper-

ation. Otherwise, the teeth will be damaged

as they come in contact with the blade

guides.

The bandsaw blade is

sharp and can easily cut

your hand or fingers.

Always disconnect the

power and wear heavy

leather gloves when

making adjustments to

or near the blade.

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5. Slide the blade support (see Figure 23) up to,

but not touching, the back of the blade, then

re-tighten the blade support cap screw.

9. Lightly pinch the dollar bill against the blade

with the blade guides, re-position the air

nozzle if necessary, then re-tighten the blade

guide cap screws.

Note: The goal is to position the blade guides

as close as possible to the blade without

touching it during operation.

Blade Guide

Cap Screws

Air Nozzle

Adjusting Table Tilt

To perform beveled cuts, the bandsaw table tilts

15° to the left and 45° to the right.

Blade Support

To adjust the table tilt:

Figure 23. Blade guide assembly (upper

assembly shown without blade for clarity).

1. DISCONNECT BANDSAW FROM POWER!

2. Use a 23mm wrench to loosen the hex

nut underneath the rear of the table (see

Figure 25).

6. Rotate the upper wheel by hand so that the

blade weld is between the blade guides.

7. Use a 4mm hex wrench to loosen the blade

guide cap screws (see Figure 23).

Table Tilt Scale

8. Fold a crisp dollar bill in half and place it over

the blade (between the blade guides and the

blade), as shown in Figure 24.

Hex Nut

Figure 25. Table tilt scale and hex nut.

3. Using the table tilt scale, adjust the angle of

the table for your operation, then re-tighten

the hex nut.

Figure 24. Using a dollar bill to set blade guide

spacing.

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blade welding

3. To make a proper blade weld, the ends of

the blade must be evenly butted together

during the welding process. If necessary, use

the grinder to square up the ends or remove

any teeth that are in the welding zone (see

Figures 27–28).

Blade Welding

Being able to quickly and safely weld a bandsaw

blade comes in handy for the following situa-

tions:

•

To repair a broken blade that is still sharp and

useful.

To fabricate a new blade from a larger sec-

tion of blade material to fit your bandsaw.

To re-join a blade that has been purposely

cut for making an internal cut.

Your metal cutting bandsaw is equipped with

a blade welder that uses electrical resistance

to heat and fuse the blade ends together. This

process leaves the joint brittle, so it needs to be

annealed after welding to give it strength and flex-

ibility.

Figure 27. Using the grinder to square up the

blade end.

��

The electric current that flows through the

blade welder during operation could cause

serious personal injury or death. To avoid

the risk of electrocution, never touch the

blade or any metal part of the machine dur-

ing blade welding or annealing.

��

To weld the ends of bandsaw together:

Figure 28. Blade ends and welding zone.

1. Turn the bandsaw motor OFF.

2. Place the blade evenly against the back of

the blade shear and firmly pull the handle

down to square off the blade end (see Figure

26).

Figure 26. Using the blade shear to cut the

blade.

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4. Loosen the welding clamps by pulling the

7. Place the other blade end in the opposite

welding clamp and position it so that it evenly

butts up against the opposing blade end, then

lock it in place by rotating that lock lever all

the way up, as shown in Figure 30.

lock levers down.

5. Position the back of one blade end evenly

against the back of the welding clamp so that

the end is midway between the two clamps,

then rotate that lock lever all the way up to

hold the blade end in place (see Figure 29).

Note: For a good blade weld, it is critical that

the blade ends evenly butt up against each

other.

Welding

Clamp

8. Use the chart in Figure 31 and turn the

clamping pressure dial to the correct setting

for the blade.

Blade

End

Blade Width

Pressure Setting

Up to ¹⁄4

⁄

4" to ³⁄8

2–3

Above ³⁄8

Lock Lever

Figure 31. Blade clamping pressure chart.

Figure 29. Blade end properly position in

Burning sparks from the blade welding oper-

ation may be thrown in all directions and

could cause serious personal injury or fire.

When using the blade welder, always protect

yourself from the flying sparks and have fire

extinguishing equipment readily available.

DO NOT weld near flammables.

welding clamp and locked in place.

6. Set the clamping pressure dial to "0" (see

Figure 30).

Note: As the blade material melts to form the

weld, pressure is applied to the joint by the

welding clamps. The correct amount of pres-

sure is set with the clamping pressure dial in

a later step.

9. Press and release—DO NOT hold—the weld-

ing button.

Note: There is a limit switch that senses the

electrical resistance between the blade ends.

If there is a adequate amount of welded mate-

rial, the limit switch will not allow the welding

button to activate the operation again.

Clamping

Pressure

Dial

Welding

Button

Annealing

Button

Figure 30. Blade ends in correct position for

welding.

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10. After the welding operation is complete,

rotate the lock levers down to release the

welding clamps, then rotate the clamping

pressure dial to "0".

16. Allow the blade to fully cool, then re-inspect

the weld.

17. Grind away the weld flash on either side of

the joint and the back of the blade until the

weld is flat and the blade will run smoothly on

the wheels.

11. Inspect the weld. The welded joint should be

even across the width of the blade with no

gaps (see Figure 32).

Note: Make sure not to grind the teeth or

blade body, or overheat the blade during

grinding—this will weaken the blade.

��

18. Re-clamp the blade in the welding clamps

with the joint centered, then repeat Step 14

twice more.

��

19. Test the strength and flexibility of the weld

by bending the blade in an arc similar to

that of the bandsaw wheels. The blade

should bend smoothly without any angles

(see Figure 33).

��

Figure 32. Blade welded joint examples.

��

—If the weld is satisfactory, continue to Step

12.

—If the weld is NOT satisfactory, begin again

at Step 2.

12. Set the clamping pressure dial to 4 or greater

��

to bring the welding clamps close together.

13. Place the blade in the welding clamps with

the weld centered between the clamps and

re-tighten the lock levers.

Figure 33. Correct blade weld bend for strength

and flexibility.

Note: The welding operation has left the

blade joint brittle. Annealing will allow the

material to cool in gradual manner, giving the

weld strength and flexibility.

NOTICE

For good metal-to-metal contact between

the welding clamps and the blade, make

sure the blade material and the clamps are

free from any debris or flash before each

use.

14. Rapidly press and release—DO NOT hold—

the annealing button two or three times until

the weld zone turns dull red.

15. Repeat Step 14 three to four more times,

allowing the weld to cool for about 30 sec-

onds between each repetition.

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accessories

SECTION 5: ACCESSORIES

T20501—Face Shield, 4" Crown, Clear

T20502—Face Shield, 7" Crown, Clear

T20448—Economy Clear Safety Glasses

T20452—"Kirova" Anti-Relective Glasses

T20456—"Dakura" Clear Safety Glasses

H0736—Shop Fox^®Safety Glasses

These glasses meet ANSI Z87.1-2003 specifica-

tions. Buy extras for visitors or employees. You

can't be too careful with shop safety!

Grizzly Metal-Cutting Bandsaw Blades

Variable Pitch, 1" Width, 0.035" Gauge

T20523—3–4 VP TPI

T20524—4–6 VP TPI

T20525—5–8 VP TPI

T20526—6–10 VP TPI

T20527—8–12 VP TPI

T20528—10–14 VP TPI

H5408—Blade Tensioning Gauge

The Blade Tensioning Gauge ensures long blade

life, reduced blade breakage, and straight cutting

by indicating correct tension. A precision dial indi-

cator provides you with a direct readout in PSI.

T20448

T20452

T20501

T20456

H0736

Figure 34. Our most popular eye protection.

T20514—Small Half-Mask Respirator

T20515—Medium Half-Mask Respirator

T20516—Large Half-Mask Respirator

T20511—Pre-Filter P100

Figure 36. H5408 Blade Tensioning Gauge.

G5562—SLIPIT^®1 Qt. Gel

T20539—Cartridge Filter 2PK P100

G5563—SLIPIT^®12 oz Spray

T20541—Cartridge Filter 2PK P100 & O Vapor

Wood and other types of dust can cause severe

respiratory damage. If you work around dust every-

day, a half-mask respirator can greatly reduce

your risk. Compatible with safety glasses!

G2871—Boeshield^®T-9 12 oz Spray

H3788—G96^®Gun Treatment 12 oz Spray

Figure 35. Half-mask respirator with disposable

cartridge filters.

Figure 37. Recommended products for protect-

ing unpainted cast iron/steel part on machinery.

G0668 20" Vertical Metal-Cutting Bandsaw

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SECTION 6: MAINTENANCE

Cleaning

Always disconnect power

to the machine before

performing maintenance.

Failure to do this may

result in serious person-

Use a brush and a shop vacuum to remove chips

and other debris from the machine. Keep the table

rust-free with regular applications of products like

G96^®Gun Treatment, SLIPIT^®, or Boeshield^®T-9

al injury.

(see Section 5: Accessories on Page 31).

Once a month, remove the blade and thoroughly

clean all metal chips and built-up oil or sludge

from the wheel surfaces. Redress the rubber tires

if necessary (Page 33).

Schedule

For optimum performance from your machine,

follow this maintenance schedule and refer to any

specific instructions given in this section.

When cleaning the wheel areas, empty and clean

the chip pan (see Figure 38).

Daily:

•

Check/correct damaged or dull saw blade.

Check/correct worn or damaged wires.

Clean/protect table.

Clean metal chips from upper and lower

wheel areas and the lower wheel brush, and

empty bottom chip pan.

•

Correct any other unsafe condition.

Monthly:

•

Check for V-belt tension, damage, or wear.

•

Lubricate tension leadscrews and guide post

rack.

Figure 38. Lower wheel chip pan.

•

Remove the blade and clean the wheels.

Re-adjust the lower wheel brush.

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redressing

When the leadscrew and rack are thoroughly clean

and dry, brush a light coat of automotive-grade

multi-purpose grease on the tension leadscrew

and guide post rack to maintain smooth operation

(see Figure 39).

Redressing Rubber

Tires

As the bandsaw ages, the rubber tires on the

wheel may need to be redressed if they become

hardened or glazed over. Redressing the rubber

tires improves blade tracking and reduces vibra-

tion/blade lead.

If the rubber tires become too worn, then blade

tracking will become extremely difficult. At that

point, redressing will no longer be effective, and

the rubber tires must be replaced.

Guide Post Rack

To redress the rubber tires:

Tension

Leadscrew

1. DISCONNECT BANDSAW FROM POWER!

2. Put on heavy gloves and remove the blade.

Figure 39. Tension leadscrew and guide post

rack.

3. Use a brush and shop vacuum to clean any

chips and built-up oil or sludge from the rub-

ber tires.

If the table becomes difficult to tilt, position it so

that you use the same process described above

to clean the metal surfaces of the trunnion and

table. Then brush a thin coat of automotive-grade

multi-purpose grease on the trunnion surfaces

(see Figure 40). Tilt the table back and forth to

distribute the grease.

4. Hold a piece of 100-grit sandpaper against

the rubber tire and rotate the wheel by hand.

Only redress the rubber enough to expose a

fresh rubber surface.

Lubrication

The bearings on your bandsaw are factory lubri-

cated and sealed. Merely leave them alone unless

they need to be replaced.

Before lubricating the tension leadscrew or guide

post rack, wipe as much of the old grease off as

possible. The old grease will be contaminated with

metal dust and increase the wear of the metal sur-

faces. Use mineral spirits or the degreaser shown

in Figure 4 on Page 12 to clean any remaining

grease off, making sure to thoroughly wipe off the

degreaser or mineral spirits that may contaminate

the new grease.

Trunnion

Surfaces

Figure 40. Table tilted to expose trunnion

surfaces.

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troubleshooting

SECTION 7: SERVICE

Review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel-

ops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical

Support at (570) 546-9663.

Troubleshooting

Motor & Electrical

Symptom

Possible Cause

Possible Solution

Machine does not 1. Power switch key is removed or not in ON 1. Install power switch key and turn it to the ON posi-

start or a breaker

trips.

position.

tion.

2. Emergency stop push-button is engaged/ 2. Rotate clockwise until it pops out; replace it if faulty.

faulty.

3. Plug/receptacle is at fault or wired incor- 3. Test for good contacts; correct the wiring.

rectly.

4. Motor connection wired incorrectly.

4. Correct motor wiring connections (Page 45).

5. Ensure circuit size is suitable for this machine;

replace weak breaker.

5. Wall fuse/circuit breaker is blown/tripped.

6. Power supply switched OFF or is at fault.

7. Wiring is open/has high resistance.

6. Ensure power supply is switched on; ensure power

supply has the correct voltage.

7. Check for broken wires or disconnected/corroded

connections, and repair/replace as necessary.

8. Replace inverter.

8. Inverter is at fault.

9. Motor is at fault.

9. Test/repair/replace.

Machine stalls or is 1. Feeding workpiece too fast.

1. Reduce feed rate; increase blade speed.

2. Eliminate workpiece binding; use jig, fence, guide,

clamps, roller table, or push blocks as required for

workpiece alignment control.

overloaded.

2. Workpiece alignment is poor.

3. Wrong workpiece material or blade.

4. Blade is slipping on wheels.

3. Use metal with correct properties for your type of

machining; match blade with workpiece and opera-

tion.

4. Adjust blade tracking and tension (Page 25), redress

rubber wheel tires if necessary (Page 33).

5. Correct motor wiring connections (Page 45).

6. Replace bad V-belt(s) as a matched set, align pul-

leys, and re-tension (Pages 36 & 37).

5. Motor connection is wired incorrectly.

6. V-belt(s) slipping.

7. Plug/receptacle is at fault.

8. Pulley/sprocket slipping on shaft.

9. Motor bearings are at fault.

7. Test for good contacts; correct the wiring.

8. Replace loose pulley/shaft.

9. Test by rotating shaft; rotational grinding/loose shaft

requires bearing replacement.

10. Machine is undersized for the task.

10. Use sharp blade with lower TPI; reduce the feed

rate; use a small amount of oil-based coolant if nec-

essary.

11. Motor has overheated.

12. Motor is at fault.

11. Clean off motor, let cool, and reduce workload.

12. Test/repair/replace.

G0668 20" Vertical Metal-Cutting Bandsaw

-34-

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Motor & Electrical (continued)

Symptom

Possible Cause

Possible Solution

Machine has vibra- 1. V-belt(s) worn or loose.

tion or noisy opera-

1. Inspect/replace V-belts with a new matched set

(Pages 36 & 37).

tion.

2. Pulley is loose.

2. Realign/replace shaft, pulley, set screw, and key as

required.

3. Motor mount loose/broken.

3. Tighten/replace.

4. Machine is incorrectly mounted or sits 4. Tighten/replace anchor studs in floor; relocate/shim

unevenly.

machine.

5. Workpiece is loose.

5. Use the correct holding fixture and reclamp

workpiece.

6. Motor fan is rubbing on fan cover.

7. Motor bearings are at fault.

6. Replace dented fan cover; replace loose/damaged

fan.

7. Test by rotating shaft; rotational grinding/loose shaft

requires bearing replacement.

8. Blade is at fault.

8. Re-tension/replace blade (Pages 24 & 25).

9. Re-align blade wheels (Page 38).

9. Blade wheels out of alignment.

Cutting Operations

Symptom

Possible Cause

Possible Solution

Machine slows when 1. Feeding workpiece too fast.

operating.

1. Reduce feed rate/increase blade speed.

2. Blade is dull.

2. Replace blade (Page 24).

Ticking sound when 1. Blade weld contacting blade guide/support 1. Inspect/re-grind blade weld (Page 28); re-adjust

the saw is running.

(a light ticking is normal).

blade guides/support (Page 26).

2. Blade weld may be failing.

2. Inspect weld and re-weld blade if necessary (Page

28), or replace blade (Page 24).

Blade contacting 1. Table improperly mounted or aligned.

table.

1. Properly align table (Page 40).

Vibration when cut- 1. Workpiece is loose.

ting.

1. Use the correct holding fixture and reclamp

workpiece.

2. Loose or damaged blade.

2. Re-tension/replace blade (Pages 24 & 25).

3. Clean metal chips from wheels.

3. Metal chip buildup on wheels.

Rough or poor qual- 1. Feeding workpiece too fast.

1. Reduce feed rate/increase blade speed.

ity cuts.

2. Incorrect blade for operation; worn or dam- 2. Use the correct blade for the operation (Page 19);

aged blade.

replace worn or damaged blade (Page 24).

3. Correctly adjust blade guides/support (Page 26);

set the blade guides approximately 1/8" above

workpiece.

3. Blade guides/support adjusted incorrectly.

Blade wanders or 1. Blade lead.

doesn't cut straight.

1. Re-tension/replace blade (Pages 24 & 25).

2. Metal chip buildup on wheels.

Cuts are not square 1. Table tilt is not adjusted to "0".

2. Clean metal chips from wheels.

1. Adjust table to "0" tilt.

(vertically).

2. Table is not square to the blade.

2. Adjust table square with blade (Page 40).

Wheel is noisy.

1. Wheel bearing is worn out.

1. Replace wheel bearing.

2. V-belt is too tight (lower wheel).

2. Check/re-tension the V-belt (Page 36).

Blade does not track 1. Wheels are not coplanar or aligned with 1. Adjust wheels to be coplanar/aligned with one

consistently, cor-

rectly, or at all.

each other.

another (Page 38).

2. Rubber tires on wheels are worn out.

2. Redress the rubber tires on the wheels (Page 33).

G0668 20" Vertical Metal-Cutting Bandsaw

-35-

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pulley alignment

tensioning v-belts

Lower Wheel Pulley

Alignment

Tensioning V-Belts

Tools Needed:

Qty

Wrench 12mm................................................... 1

Tools Needed:

Qty

Hex Wrench 6mm.............................................. 1

Wrench 19mm................................................... 1

To ensure optimum power transfer from the motor

to the blade without slipping, the V-belts must be

in good condition and operate under proper ten-

sion. Check V-belt tension at least monthly—more

often if the bandsaw is used daily. V-belts stretch

with use and must be periodically re-tensioned.

The correct alignment of the motor and lower

wheel pulleys helps to ensure correct and even

tension of the V-belts, proper power transmission,

and reduced V-belt heat and wear during opera-

tion.

To check/tension/replace the V-belts:

1. DISCONNECT BANDSAW FROM POWER!

2. Remove the rear motor access panel.

Remove the rear motor access panel, and use

a straightedge across both pulleys, as shown in

Figure 41, to check the pulley alignment.

3. Make sure the motor and lower wheel pulleys

are correctly aligned.

Wheel Pulley

Hex Bolts

4. Push the center of each V-belt as illustrated

in Figure 42, using moderate force. When

tensioned correctly, the deflection should be

about ³⁄4".

��

Figure 41. Checking pulley alignment.

If necessary, loosen the fasteners securing the

wheel pulley to the shaft, align the wheel pulley

with the motor pulley, then re-tighten the fasteners

for both pulleys.

��

Figure 42. Checking for correct V-belt tension.

—If the deflection is correct and the V-belts

are in good condition, no further action is

required. Replace the rear motor access

panel.

—If the deflection is more than or less than

⁄4" or the V-belts need to be replaced, then

continue with the next steps.

G0668 20" Vertical Metal-Cutting Bandsaw

-36-

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replacing v-belts

5. Loosen the four motor mounting hex bolts

(see Figure 43).

Adjusting Wheel

Brush

Motor Mounting Hex Bolts

(3 of 4 shown)

Tools Needed:

Wrench 10mm................................................... 1

Qty

The lower wheel compartment contains the wheel

brush shown in Figure 44. This brush is designed

to sweep chips off the wheel tire as the bandsaw

is operating. In order to work properly, the brush

must make firm contact with the wheel.

Figure 43. Motor mounting hex bolts.

Wheel Brush

6. Position the motor to adjust the V-belt tension

until they have the correct deflection, then re-

tighten the hex bolts.

Replacing V-Belts

Tools Needed:

Qty

Wrench 12mm................................................... 1

Replace the V-belts as a matched set if they are

cracked, frayed, or excessively worn.

Figure 44. The wheel brush.

To adjust the wheel brush:

To replace the motor V-belts:

1. DISCONNECT BANDSAW FROM POWER!

2. Open the lower wheel cover.

1. DISCONNECT BANDSAW FROM POWER!

2. Loosen the four motor mounting hex bolts

(see Figure 43).

3. Loosen the hex bolt that secures the wheel

brush.

3. Move the motor toward the lower wheel to

relieve the tension, then roll the V-belts off

the pulleys.

4. Adjust the wheel brush so that it makes firm

contact with the wheel but the bristles are not

overly bent.

4. Install a new matched set of V-belts onto

the pulleys, then correctly tension them, as

described on Page 36.

5. Re-tighten the hex bolt to secure the wheel

brush in place, and close the lower wheel

door.

5. Secure the motor access panel to the machine

before re-connecting it to power.

G0668 20" Vertical Metal-Cutting Bandsaw

-37-

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wheel alignment

�^��

Wheel Alignment

Materials Needed:

Qty

67¹⁄4" Long 2x4 .................................................. 1

��

Tools Needed:

Qty

Wrench 12mm................................................... 1

Wrench 17mm................................................... 1

Wrench 21mm................................................... 1

Coplanarity Gauge (see Figure 45).................. 1

Wheel alignment is one of the most critical factors

for optimal performance from your bandsaw.

��^��

Heat, vibration, wandering, blade wear, tire wear,

and overall bandsaw wear are considerably

decreased when the wheels are properly aligned

or "coplanar".

�^��

To check if your wheels are parallel and copla-

nar:

1. Make the "Coplanarity Gauge" shown in

Figure 45.

��

Note: For best results, straighten the 2x4

with a jointer before cutting.

2. DISCONNECT BANDSAW FROM POWER!

��

3. Remove the table assembly, then open both

Figure 45. Dimensions of coplanarity gauge.

wheel covers.

��

4. Move the upper and lower blade guides and

rear support away from the blade, then cor-

rectly tension the blade for normal opera-

tions.

��

5. Place your coplanarity gauge up against both

wheels in the positions shown in Figure 46,

making sure that the gauge fully extends

across the wheels.

��

—If the wheels are parallel and coplaner (in

the same plane), the gauge will evenly

touch the top and bottom of both wheels

and no further adjustments are necessary.

—If the wheels are NOT parallel or coplanar,

continue with the following steps to bring

both wheels into correct alignment with one

another.

Figure 46. Coplanarity gauge positions.

G0668 20" Vertical Metal-Cutting Bandsaw

-38-

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Although both wheels can be adjusted to accom-

plish correct wheel alignment, we recommend that

you start with the upper wheel, and, if necessary,

continue the adjustments with the lower wheel.

The lower wheel adjustment assemblies have

a locking hex bolt threaded into an adjustment

sleeve (see Figure 48).

Lower Wheel

Adjustment Assemblies

(3 of 4 shown)

When both wheels are correctly aligned with one

another, re-check V-belt tension (Page 36), re-

install the table, re-check table alignment (Page

40), and re-adjust the blade guides and sup-

ports.

The upper wheel adjusting fasteners consist of

four locking hex bolts and four adjusting hex bolts

with jam nuts (see Figure 47).

Figure 48. Lower wheel adjustment assemblies.

To adjust the lower wheel:

Locking Hex Bolt

1. Loosen the locking hex bolts of the lower

wheel.

Adjustment

Hex Bolt

& Jam Nut

2. Loosen or tighten the adjustment sleeves as

necessary to bring the lower wheel coplanar

with the upper wheel.

Example 1: If the top of the lower wheel

leans too far forward (see fourth example in

Figure 49), thread the top two adjustment

sleeves out.

Figure 47. Upper wheel adjusting fasteners.

To adjust the upper wheel:

1. Loosen the upper wheel locking hex bolts,

then loosen the jam nuts (see Figure 47).

Example 2: Alternately, if the lower wheel

is parallel to the upper wheel but behind

the plane of the upper wheel (see second

example in Figure 49), then thread all four

adjustment sleeves in.

2. Use the adjustment hex bolts to bring the

upper wheel coplanar with the lower wheel.

Note: Threading an adjustment hex bolt

in will force that part of the wheel forward.

Conversely, threading an adjustment hex bolt

out will pull that wheel section to the rear of

the machine when the locking hex bolt is re-

tightened.

3. Re-tighten the locking hex bolts to secure the

settings of the adjustment sleeves.

4. Re-check the wheels for alignment and repeat

the steps above if necessary.

3. Re-tighten the locking hex bolts and jam nuts

to secure the settings of the adjustment hex

bolts.

4. Re-check the wheels for alignment and repeat

the steps above if necessary.

G0668 20" Vertical Metal-Cutting Bandsaw

-39-

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table alignment

��

Figure 49. Examples of wheel orientation to one another.

4. Use a square to check table alignment with

the side and the back of the blade, as shown

in Figure 50.

Aligning Table to

Blade

To ensure the angle accuracy of the cut, the table

must be 90° to the blade from front-to-back and

side-to-side. If the table is not square to the blade,

it needs to be adjusted.

Tools Needed:

Qty

Hex Wrench 5mm.............................................. 1

Wrench 12mm................................................... 1

To adjust the table square to the blade:

1. DISCONNECT BANDSAW FROM POWER!

Figure 50. Checking table alignment with the

2. Make sure the wheels are correctly aligned

(Page 38) and the blade is properly ten-

sioned (Page 25).

blade.

3. Set the angle of the table to "0".

G0668 20" Vertical Metal-Cutting Bandsaw

-40-

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5. Loosen the table mounting hex bolts (see

Figure 51).

��

Set Screws

��

Mounting

Hex Bolts

��

Figure 51. Table mounting hex bolts and

adjusting set screws.

6. Adjust the set screws so that the table is

square to the blade front-to-back and side-to-

side.

Figure 52. Blade guide and support orientation.

As the blade is deflected back into the blade

support during operation, a groove will eventu-

ally wear into the blade support. As this groove

becomes deeper, it can affect the accuracy of the

cut. When this happens, loosen the blade support

cap screw and rotate the blade support, as shown

in Figure 52.

Note: Make small adjustments to the set

screws, then recheck the alignment of the

table with the blade.

7. When the table is 90° to the blade from

front-to-back and side-to-side, re-tighten the

mounting hex bolts to secure the table align-

ment.

Note: Make sure to re-adjust the blade guides

and support (as directed in Adjusting Blade

Guides & Support on Page 26) after making

these changes.

Blade Guides

The inserts in the face of the blade guides and the

blade support are made of tungsten steel.

With use, the front of the blade guide inserts will

wear and it may become difficult to properly adjust

the guides to the blade (refer to Adjusting Blade

Guides & Support on Page 26). If this is the

case, swap and turn over the blade guides so that

the inserts are reversed relative to the blade (see

Figure 52).

G0668 20" Vertical Metal-Cutting Bandsaw

-41-

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electrical & switch wiring diagram

Electrical & Control Wiring Diagram

��

�

��

�

��

�

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Control Panel

(see Figure 55 on Page 44)

��

�

��

�

��

�

��

�

��

�

��

�

��

�

��

�

To Welding Station

(see Photo & Wiring

Diagram on Page 46)

�

��

�

��

�

��

�

��

�

��

�

To Motor Fan

��

(see Photo & Wiring

Diagram on Page 45)

��

�

��

�

��

�

To Inverter

(see Wiring

Diagram

�

��

�

��

�

� �

�

on Page 43)

��

�

��

Connect the

manufactured

��

leg of a power

��

�

converter to the

"S" terminal here.

�

��

�

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G0668 20" Vertical Metal-Cutting Bandsaw

-42-

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inverter wiring diagram

Inverter Wiring Diagram

��

Figure 53. Digital

display wiring.

� � �

Figure 54. Variable

speed dial wiring.

��

To Motor

(see Photo &

Wiring Diagram

on Page 45)

��

�

To Electrical Panel

(see Figure 57 on

Page 44, Wiring

��

Diagram on Page 42)

��

Inverter

(see Figure 56 on Page 44)

G0668 20" Vertical Metal-Cutting Bandsaw

-43-

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electrical components

Electrical Components

Power

Lamp

Power

Switch

Bandsaw

Start

Emergency

Stop

Figure 55. Control panel wiring (see wiring

diagram on Page 42).

Figure 56. Inverter/Controller box wiring (see

wiring diagram on Page 43).

Figure 57. Main electrical wiring (see wiring diagram on Page 42).

G0668 20" Vertical Metal-Cutting Bandsaw

-44-

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motor wiring diagram

Motor Wiring Diagram

��

Figure 58. Motor junction box

Motor

wiring.

��

�

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Motor Fan

Wiring

��

�

��

�

To Control Panel

(see Page 42)

��

G0668 20" Vertical Metal-Cutting Bandsaw

-45-

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welding station wiring diagram

Welding Station Wiring Diagram

��

�

��

�

��

�

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Figure 59. Welding station wiring.

��

To Electrical Panel

(see Page 42)

��

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��

� � �

�

��

�

��

�

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G0668 20" Vertical Metal-Cutting Bandsaw

-46-

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SECTION 8: PARTS

Cabinet

��

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�

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�

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REF PART #

DESCRIPTION

REF PART #

DESCRIPTION

P0668001

P0668002

PS05M

WHEEL DOOR LOWER

HINGE PIN LOWER

P0668017

P0668018

AIR NOZZLE

WORK LAMP 220V

LIGHT BULB 220V

DOOR KNOB

PHLP HD SCR M5-.8 X 8

CONTROL PANEL

18-1 P0668018-1

P0668004

P0668004-1

P0668004-2

P0668004-3

P0668004-4

P0668005

PS47M

P0668019

PS47M

4-1

4-2

4-3

4-4

POWER SWITCH W/KEY

POWER LAMP

PHLP HD SCR M6-1 X 25

CAP SCREW M6-1 X 15

FLAT WASHER 6MM

MOTOR ACCESS PANEL

FLAT WASHER 6MM

HEX BOLT M6-1 X 10

CHIP PAN

PSB28M

PW03M

EMERGENCY STOP BUTTON

MOTOR ON BUTTON

BLADE CLEANING BRUSH

PHLP HD SCR M6-1 X 25

WHEEL DOOR UPPER

HINGE PIN UPPER

P0668023

PW03M

PB04M

P0668007

P0668008

PS05M

P0668026

P0668027

P0668028

P0668029

P0668030

P0668031

P0668032

P0668033

P0668034

P0668035

DIGITAL DISPLAY

PHLP HD SCR M5-.8 X 8

DIGITIAL DISPLAY BRACKET

CAP SCREW M8-1.25 X 16

BLADE SHEAR

INVERTER RM5G 2HP 220V 3PH

CONTROL PANEL

P0668010

PSB11M

TRANSFORMER 1PH 0-3VA

CONTACTOR NHD C-12D 220V

RELAY ARITA MR2P 24V 3-5A

FUSE HOLDER

P0668012

P0668013

P0668014

P0668015

P0668016

VARIABLE SPEED DIAL

AIR PUMP

BANDSAW CABINET

AIR HOSE 4X6MM

FUSE 3A

TERMINAL BLOCK 11-POST

G0668 20" Vertical Metal-Cutting Bandsaw

-47-

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Table & Lower Guide

��

REF PART #

DESCRIPTION

REF PART #

DESCRIPTION

101

102

103

104

105

106

107

108

109

PSB02M

PLW03M

P0668103

P0668104

P0668105

PSB06M

P0668107

PN04

CAP SCREW M6-1 X 20

LOCK WASHER 6MM

BLADE GUIDE

110

111

112

113

114

115

116

117

PW01M

FLAT WASHER 8MM

PSB14M

P0668112

PSB14M

PW01M

CAP SCREW M8-1.25 X 20

TRUNNION BASE

BLADE GUIDE BRACKET LOWER

GUIDE POST LOWER

CAP SCREW M6-1 X 25

BLADE SUPPORT

CAP SCREW M8-1.25 X 20

FLAT WASHER 8MM

TRUNNION

P0668115

P0668116

P0668117

TABLE TILT LOCK 5/8-11 X 2

TABLE

HEX NUT 5/8-11

PLW06

LOCK WASHER 5/8

G0668 20" Vertical Metal-Cutting Bandsaw

-48-

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Motor & Lower Wheel

��

REF PART #

DESCRIPTION

REF PART #

DESCRIPTION

201

202

203

204

205

206

207

208

209

210

211

P0668201

P0668202

P0668203

PB170M

P0668205

PSS20M

P6206Z

WHEEL TIRE

212

213

214

215

216

217

218

219

P0668212

PR15M

BEARING HOUSING

BANDSAW BLADE 3/8"W STANDARD

WHEEL LOWER

EXT RETAINING RING 30MM

WHEEL PULLEY

P0668214

PSS105M

PVA66

HEX BOLT M10-1.5 X 10

COLLAR

SET SCREW M12-1.75 X 35

V-BELT A-66 4L660

SET SCREW M8-1.25 X 8

BALL BEARING 6206Z

KEY 8 X 8 X 20

P0668217

PSS16M

P0668219

MOTOR PULLEY

SET SCREW M8-1.25 X 10

MOTOR 2HP 220V 3PH

MOTOR FAN COVER

MOTOR FAN

PK107M

P0668209

P0668210

PB73M

LOWER WHEEL SHAFT

SPECIAL SCREW

219-1 P0668219-1

219-2 P0668219-2

219-3 P0668219-3

HEX BOLT M10-1.5 X 50

MOTOR WIRING JUNCTION BOX

G0668 20" Vertical Metal-Cutting Bandsaw

-49-

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Welding Station

G0668 20" Vertical Metal-Cutting Bandsaw

-50-

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Welding Station Parts List

REF PART #

DESCRIPTION

REF PART #

DESCRIPTION

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

PB96

HEX BOLT 1/4-20 X 4

TRANSFORMER BRACKET

FLAT WASHER 6MM

HEX NUT M6-1

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

P0668325

PS11M

ON/OFF SWITCH

P0668302

PW03M

PHLP HD SCR M6-1 X 16

PHLP HD SCR M6-1 X 20

WELDING PANEL

PS26M

PN01M

P0668328

P0668329

PEC09M

P0668331

P0668332

P0668333

P0668334

PW03M

P0668305

PSB06M

PSB04M

P0668308

P0668309

P0668310

P0668311

PSB26M

PEC09M

P0668314

P0668315

PSB26M

P0668317

PSB01M

P0668319

PN01M

LIMIT SWITCH

CLAMP PRESSURE KNOB

E-CLIP 6MM

CAP SCREW M6-1 X 25

CAP SCREW M6-1 X 10

LIMIT SWITCH BRACKET

SLIDING BLOCK

CLAMP LEVER

SHAFT

WELDING CLAMP RIGHT

INSULATING PLATE

FLAT WASHER 6MM

CAP SCREW M6-1 X 20

WELDING JAW RIGHT

CAP SCREW M6-1 X 20

HEX NUT M6-1

WELDING CLAMP LEFT

WELDING JAW LEFT

CAP SCREW M6-1 X 12

E-CLIP 6MM

PSB02M

P0668338

PSB02M

PN01M

SHAFT

CLAMP LEVER

CAP SCREW M6-1 X 12

SLIDING BLOCK BASE

CAP SCREW M6-1 X 16

GRINDER COVER

PW03M

FLAT WASHER 6MM

PRESSURE CAM

P0668342

P0668343

P0668344

PS04

CAM SHAFT

HEX NUT M6-1

TENSION SPRING

PW03M

FLAT WASHER 6MM

GRINDING WHEEL 2-1/2"D

FLAT WASHER 6MM

GRINDER MOTOR 1/8HP 220V 1PH

S CAPACITOR 3M 250V 3/4 X 1-1/4

PHLP HD SCR 1/4-20 X 1/2

BRACKET

P0668322

PW03M

P0668346

P0668347

P0668348

P0668349

ANNEALING PUSH BUTTON

WELDING PUSH BUTTON

TRANSFORMER 4.2KVA 220V

P0668324

324-1 P0668324-1

G0668 20" Vertical Metal-Cutting Bandsaw

-51-

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Guide Post

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REF PART #

DESCRIPTION

REF PART #

DESCRIPTION

501

502

503

504

505

506

507

508

509

510

511

512

513

PSB02M

PW03M

CAP SCREW M6-1 X 20

FLAT WASHER 6MM

BLADE GUIDE

514

515

516

517

518

519

520

521

522

523

524

525

P0668514

P0668515

P0668516

P0668517

P0668518

PSS02M

P0668520

PLW03M

PSB02M

P0668523

PW01M

GUIDE POST PINION GEAR

WORM GEAR

P0668503

P0668504

P0668505

PSB02M

COLLAR

BLADE GUIDE BRACKET UPPER

BLADE SUPPORT

HANDWHEEL HANDLE

HANDWHEEL

CAP SCREW M6-1 X 20

PIN 4 X 6

SET SCREW M6-1 X 6

BRACKET

P0668507

P0668508

P0668509

P0668510

PLW08M

P0668512

P0668513

GUIDE POST CLAMP PLATE

GUIDE POST RACK

GUIDE POST BRACKET

LOCK WASHER 14MM

LOCK KNOB

LOCK WASHER 6MM

CAP SCREW M6-1 X 20

BLADE GUARD

FLAT WASHER 8MM

CAP SCREW M8-1.25 X 15

PSB100M

SPECIAL SCREW

G0668 20" Vertical Metal-Cutting Bandsaw

-52-

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Upper Wheel

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REF PART #

DESCRIPTION

WHEEL UPPER

REF PART #

615 P0668615

615-1 P0668615-1

DESCRIPTION

UPPER WHEEL BRACKET

BRACKET PLATE

603

604

605

606

607

608

609

610

611

612

613

614

P0668603

PB170M

PR09M

HEX BOLT M10-1.5 X 10

EXT RETAINING RING 20MM

BALL BEARING 6304Z

BEARING HOUSING

UPPER WHEEL SHAFT

KEY

616

617

618

619

620

621

622

623

624

PSS02M

P0668617

P2901

SET SCREW M6-1 X 6

COLLAR

P6304Z

P0668607

P0668608

P0668609

P0668610

P0668611

P0668612

PB07M

THRUST BEARING 2901

TENSIONING BRACKET

LEADSCREW BRACKET

HEX BOLT M8-1.25 x 25

HEX BOLT M8-1.25 X 10

TENSIONING LEADSCREW

TENSIONING HANDWHEEL

P0668619

P0668620

PB07M

SPECIAL WASHER

SPECIAL BOLT

PB17M

PIVOT PIN

P0668623

P0668624

HEX BOLT M8-1.25 X 25

FLAT WASHER 8MM

PW01M

G0668 20" Vertical Metal-Cutting Bandsaw

-53-

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Labels

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REF PART #

DESCRIPTION

REF PART #

DESCRIPTION

401

402

403

404

405

406

P0668401

P0668402

P0668403

P0668404

MODEL # LABEL

407

408

409

410

412

P0668407

P0668408

P0668409

MACHINE ID LABEL

BLADE SPECIFICATION LABEL

BLADE HAZARD LABEL VERT L

DOOR INJURY HAZARD LABEL VERT S

POWER DISCONNECT LABEL VERT S

EYE/LUNG HAZARD LABEL VERT L

PPAINT-11 GRIZZLY PUTTY TOUCH UP PAINT

P0668412 STABLE WORKPIECE LABEL

PLABEL-12 READ MANUAL LABEL VERT L

G8588 GRIZZLY NAMEPLATE 9-1/2" X 4-1/2"

Safety labels warn about machine hazards and ways to prevent injury. The owner of this machine

MUST maintain the original location and readability of the labels on the machine. If any label is

removed or becomes unreadable, REPLACE that label before using the machine again. Contact

Grizzly at (800) 523-4777 or www.grizzly.com to order new labels.

G0668 20" Vertical Metal-Cutting Bandsaw

-54-

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WARRANTY AND RETURNS

Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from

the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse,

negligence, accidents, repairs or alterations or lack of maintenance. This is Grizzly’s sole written warranty

and any and all warranties that may be implied by law, including any merchantability or fitness, for any par-

ticular purpose, are hereby limited to the duration of this written warranty. We do not warrant or represent

that the merchandise complies with the provisions of any law or acts unless the manufacturer so warrants.

In no event shall Grizzly’s liability under this warranty exceed the purchase price paid for the product and

any legal actions brought against Grizzly shall be tried in the State of Washington, County of Whatcom.

We shall in no event be liable for death, injuries to persons or property or for incidental, contingent, special,

or consequential damages arising from the use of our products.

To take advantage of this warranty, contact us by mail or phone and give us all the details. We will then

issue you a “Return Number,’’ which must be clearly posted on the outside as well as the inside of the

carton. We will not accept any item back without this number. Proof of purchase must accompany the

merchandise.

The manufacturers reserve the right to change specifications at any time because they constantly strive to

achieve better quality equipment. We make every effort to ensure that our products meet high quality and

durability standards and we hope you never need to use this warranty.

Please feel free to write or call us if you have any questions about the machine or the manual.

Thank you again for your business and continued support. We hope to serve you again soon.

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