Global Machinery Company Biscuit Joiner BJ600 User Manual

600W  
BISCUIT JOINER  
BJ600  
INSTRUCTION MANUAL  
Code: BJ600 IM  
Black  
Cyan  
Magenta  
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Yellow  
Date: 080620  
Edition: 04  
Op: PS  
Introduction  
Description of symbols  
Your new GMC power tool will more than satisfy  
your expectations. It has been manufactured under  
stringent GMC Quality Standards to meet superior  
performance criteria.  
The rating plate on your tool may show symbols.  
These represent important information about the  
product or instructions on its use.  
Wear hearing protection.  
Wear eye protection.  
Wear breathing protection.  
You will find your new tool easy and safe to operate,  
and, with proper care, it will give you many years  
of dependable service.  
Double insulated for additional protection.  
CAUTION. Carefully read through this entire Instruction  
Manual before using your new GMC Power Tool. Take  
special care to heed the Cautions and Warnings.  
Conforms to relevant standards  
for electromagnetic compatibility.  
Your GMC power tool has many features that will make  
your job faster and easier. Safety, performance, and  
dependability have been given top priority in the  
development of this tool, making it easy to maintain  
and operate.  
Specifications  
Nominal voltage:  
230-240V ~ 50Hz  
600W  
11000 min-1  
8mm, 10mm, 12mm, 14mm  
4mm  
Input power:  
No load speed:  
Depth of cut:  
Thickness of cut:  
Biscuit size:  
Environmental protection  
Recycle unwanted materials instead  
of disposing of them as waste. All tools,  
hoses and packaging should be sorted,  
taken to the local recycling centre and  
disposed of in an environmentally safe way.  
#0, #10, #20  
Ø100mm 6TCT  
Ø22mm  
Blade size:  
Bore size:  
Bevel fence:  
0–90º  
Height of cut adjustment:  
Insulation class:  
Weight:  
7mm to 30mm  
Double insulated  
2.8kg  
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3. Personal safety  
General safety rules  
a. Stay alert, watch what you are doing and use  
common sense when operating a power tool. Do  
not use a power tool while you are tired or under the  
influence of drugs, alcohol or medication. A moment of  
inattention while operating power tools may result in  
serious personal injury.  
WARNING Read all instructions. Failure to follow all  
instructions listed below may result in electric shock,  
fire and/or serious injury. The term “power tool” in all of  
the warnings listed below refers to your mains operated  
(corded) power tool or battery operated (cordless)  
power tool.  
b. Use safety equipment. Always wear eye protection.  
Safety equipment such as dust mask, non-skid  
safety shoes, hard hat, or hearing protection used for  
appropriate conditions will reduce personal injuries.  
Save these instructions.  
1. Work area  
a. Keep work area clean and well lit. Cluttered and dark  
areas invite accidents.  
c. Avoid accidental starting. Ensure the switch is in the  
off position before plugging in. Carrying power tools with  
your finger on the switch or plugging in power tools that  
have the switch on invites accidents.  
b. Do not operate power tools in explosive  
atmospheres, such as in the presence of flammable  
liquids, gases or dust. Power tools create sparks which  
may ignite the dust or fumes.  
d. Remove any adjusting key or wrench before turning  
the power tool on. A wrench or a key left attached to  
a rotating part of the power tool may result in personal  
injury.  
c. Keep children and bystanders away while operating a  
power tool. Distractions can cause you to lose control.  
2. Electrical safety  
a. Power tool plugs must match the outlet. Never modify  
the plug in any way. Do not use any adapter plugs with  
earthed (grounded) power tools. Unmodified plugs and  
matching outlets will reduce risk of electric shock.  
e. Do not overreach. Keep proper footing and balance at  
all times. This enables better control of the power tool in  
unexpected situations.  
f. Dress properly. Do not wear loose clothing or  
jewellery. Keep your hair, clothing and gloves away from  
moving parts. Loose clothes, jewellery or long hair can be  
caught in moving parts.  
b. Avoid body contact with earthed or grounded  
surfaces such as pipes, radiators, ranges and  
refrigerators. There is an increased risk of electric shock  
if your body is earthed or grounded.  
g. If devices are provided for the connection of dust  
extraction and collection facilities, ensure these are  
connected and properly used. Use of these devices  
can reduce dust related hazards.  
c. Do not expose power tools to rain or wet conditions.  
Water entering a power tool will increase the risk of  
electric shock.  
d. Do not abuse the cord. Never use the cord for  
carrying, pulling or unplugging the power tool.  
Keep cord away from heat, oil, sharp edges or moving  
parts. Damaged or entangled cords increase the risk of  
electric shock.  
4. Power tool use and care  
a. Do not force the power tool. Use the correct power tool  
for your application. The correct power tool will do the job  
better and safer at the rate for which it was designed.  
b. Do not use the power tool if the switch does not turn  
it on and off. Any power tool that cannot be controlled  
with the switch is dangerous and must be repaired.  
e. When operating a power tool outdoors, use an  
extension cord suitable for outdoor use. Use of a cord  
suitable for outdoor use reduces the risk of electric shock.  
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When an extension cable is required, you must ensure  
that it has the right ampere rating for your power tool  
and is in safe electrical condition.  
c. Disconnect the plug from the power source before  
making any adjustments, changing accessories, or  
storing power tools. Such preventive safety measures  
reduce the risk of starting the power tool accidentally.  
Ensure your mains supply voltage is the same as your  
tool rating plate voltage.  
d. Store idle power tools out of the reach of children  
and do not allow persons unfamiliar with the power  
tool or these instructions to operate the power tool.  
Power tools are dangerous in the hands of untrained  
users.  
If possible, always use clamps or a vice to hold your work.  
Always switch off before you put the biscuit joiner down.  
Ensure that the lighting is adequate.  
Keep the area free of tripping hazards.  
e. Maintain power tools. Check for misalignment or  
binding of moving parts, breakage of parts and  
any other condition that may affect the power tools  
operation. If damaged, have the power tool repaired  
before use. Many accidents are caused by poorly  
maintained power tools.  
Do not let anyone under 18 years operate this tool.  
Only use accessory blades that are in good condition.  
Do not touch the blade after operation. It will be hot.  
Keep yours hands away from under the workpiece.  
Never use your hands to remove chips or waste close by  
the blade.  
f. Keep cutting tools sharp and clean. Properly  
maintained cutting tools with sharp cutting edges are less  
likely to bind and are easier to control.  
Rags, cloths, cord, string and the like should never be left  
around the work area.  
g. Use the power tool, accessories and tool bits etc.,  
in accordance with these instructions and in the  
manner intended for the particular type of power  
tool, taking into account the working conditions and  
the work to be performed. Use of the power tool for  
operations different from those intended could result in a  
hazardous situation.  
Support the work properly.  
Periodically check that all nuts, bolts and other fixings are  
properly tightened.  
When using the tool, use safety equipment including  
safety glasses or shield, ear protection, and protective  
clothing including safety gloves. Wear a dust mask if the  
operation creates dust.  
5. Service  
a. Have your power tool serviced by a qualified repair  
person using only identical replacement parts. This  
will ensure that the safety of the power tool is maintained.  
If in doubt, do not plug in the tool.  
Using a power source with a voltage less than the  
nameplate rating is harmful to the motor.  
Wear goggles  
Additional safety rules for biscuit joiners  
Wear earmuffs  
Hold tool by insulated gripping surfaces when performing an  
operation where the cutting tools may contact hidden wiring  
or its own cord. Contact with a “live” wire will make exposed  
metal parts of the tool “live” and shock the operator.  
Wear a breathing mask  
The tool must be used only for its prescribed purpose.  
Any use other than those mentioned in this Manual will  
be considered a case of misuse. The user and not the  
manufacturer shall be liable for any damage or injury  
resulting from such cases of misuse.  
Fully unwind cable drum extensions to avoid potential  
overheating.  
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To use this tool properly, you must observe the safety  
regulations, the assembly instructions and the operating  
instruction to be found in this Manual. All persons who use  
and service the machine have to be acquainted with this  
manual and must be informed about its potential hazards.  
Children should be supervised at all times if they are in the  
area in which the tool is being used. It is also imperative  
that you observe the accident prevention regulations in  
force in your area. The same applies for general rules of  
occupational health and safety.  
The manufacturer shall not be liable for any changes made  
to the tool nor for any damage resulting from such changes.  
Even when the tool is used as prescribed it is not possible  
to eliminate all residual risk factors. The following hazards  
may arise in connection with the tools construction and  
design:  
Damage to the lungs if an effective dust mask is not worn.  
Damage to the hearing if effective ear protection is not worn.  
Contents of carton  
The GMC BJ600 biscuit joiner is supplied with the following  
accessories as standard  
Pin wrench  
Allen key  
Dust extraction adaptor  
Dust bag  
Unpacking  
Due to modern mass production techniques, it is unlikely  
that your GMC Power Tool is faulty or that a part is missing.  
If you find anything wrong, do not operate the tool until the  
parts have been replaced or the fault has been rectified.  
Failure to do so could result in serious personal injury.  
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Know your product  
1. On/off switch  
2. Spindle lock button  
3. Main handle  
3
1
4
4. Secondary handle  
5. Depth of cut adjustment knob  
6. Main fence  
11  
7. Height and bevel  
adjustment fence  
8. Bevel scale  
9. Bevel adjustment knob  
10. Height scale  
11. Height adjustment knob  
12. Dust extraction port  
13. Dust extraction adaptor  
14. Dust bag  
2
7
8
9
14  
10  
13  
6
5
12  
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be increased simply by adjusting the fence up or down and  
carrying out several passes.  
Overview  
The biscuit joiner is designed for the cutting and joining  
of dressed timber. It provides an accurate, effective and  
convenient alternative to other means of jointing such as  
dowelling and can be particularly useful for edge jointing long  
boards of natural wood or manufactured sheeting.  
Adjusting the cutting depth  
The depth of cut can be set to match the dimensions of the  
particular size biscuit being used.  
The numbers on the depth adjustment dial (0, 10 & 20)  
coincide with the three most common biscuit sizes. The  
letter ‘M’ stands for maximum depth capacity of the tool.  
The 100mm TCT blade is plunged into the wood to the  
required depth, which is pre-set depending on the biscuit to  
be used.  
The table below indicates the cutting depth for each setting.  
Biscuit No.  
Width  
Length  
Depth Setting  
Depth of Cut  
#0  
16mm  
48mm  
0
8mm  
#10  
#20  
20mm  
24mm  
52mm  
60mm  
10  
20  
10mm  
12mm  
14mm  
PVA wood glue is applied and the biscuit is inserted into  
the elliptical slot that is left by the blade. As the glue sets,  
the water content in the glue is absorbed into and expands  
the biscuit, resulting in an extremely strong joint.  
Max  
The width of a biscuit may vary slightly due to variances in  
manufacture. The blade has been designed to allow fitment  
of up to the largest biscuits in the slot cut.  
Note. You must use PVA glue designed for woodworking  
applications  
1. To select a depth, align the  
appropriate number with the  
A
mark on the tool’s housing  
that matches with the size  
of biscuit you will be using.  
Rotate the depth adjustment  
dial (5) to the desired position  
until it “clicks” into place (fig A).  
#0 = 16mm x 48mm  
#10 = 20mm x 52mm  
#20 = 24mm x 60mm  
#20  
#10  
#0  
The adjustable fence allows the height and angle of the  
blade to be positioned to suit different joint requirements.  
The depth of cut can be set on the depth of cut control dial,  
depending on the biscuit to be used. The joiner can also be  
used to create a continuous groove, the width of which can  
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3. Tighten the bevel adjustment  
knob (9) to secure the  
fence in position (fig G).  
Adjusting the secondary handle  
1. Using an Allen key loosen the set screw on each side of  
the handle (fig B).  
G
Adjusting the cutting  
height  
B
C
The height of the fence can be  
adjusted to let you make biscuit  
slots at different depths down  
from the surface of the workpiece.  
1. Ensure that the fence is set at 0°.  
2. Position fence (7) to the desired height using the scale  
(10) on the main fence as a guide (fig H).  
2. Position the handle to the desired position (fig C).  
3. Tighten the 2 hex screws to secure the handle in position.  
I
H
Fitting the height and  
bevel adjustment fence  
D
1. Attach the height and bevel  
adjustment fence to the main  
fence by sliding it over the top  
of the main fence (fig D).  
3. Tighten the height adjustment knob (10) by rotating it in a  
clockwise direction to secure the fence in position (fig I).  
Adjusting the bevel angle  
The adjustable tilt feature allows  
slots to be cut on a bevelled edge.  
Anti-slip rubber grips  
1. Loosen the bevel adjustment knob (9) by rotating it in an  
anti-clockwise direction (fig E).  
Biscuit jointers tend to pull to the  
right when making a cut. The  
anti-slip rubber grips have been  
provided to reduce this effect  
and help keep the biscuit joiner  
steady on the workpiece (fig J).  
J
F
E
2. Move the fence to the desired angle between 0° and 90°  
using the bevel scale (8) and pointer as  
a guide (fig F).  
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10. Ensure that the spindle lock button is released.  
Changing the blade  
CAUTION. Always ensure that the biscuit joiner is switched  
off and unplugged from the power supply before making any  
adjustments.  
1. Loosen and remove the 4 screws on the base of the  
biscuit joiner.  
WARNING. The direction in which the blade rotates has to  
be the same as the direction of the arrow marked on  
the housing.  
IMPORTANT. After replacing the cutting blade, check that it  
runs freely by first testing if it spins by hand.  
11. Replace the base plate and secure with the 4 screws.  
2. Remove the base plate to reveal the blade (fig K).  
12. Plug the machine into a power socket and run the  
biscuit joiner under no load to check that it runs  
smoothly before using it to cut any material.  
K
L
Turning on and off  
1. Connect the plug to the power point.  
2. Push the on/off switch (1) forward and up over the  
latching ramp to lock the switch on (fig O).  
3. Whilst holding the spindle lock button (2) rotate the blade  
by hand until the blade locks in place (fig L).  
O
P
4. Whilst depressing the spindle lock button, turn the blade  
flange anti-clockwise using the pin wrench provided  
(fig M).  
N
M
3. Once cutting is finished, pull in and release the on/off  
switch (1) to stop the motor (fig P).  
WARNING. The blade continues to turn for a few seconds  
even though the switch is turned off. Keep your hands well  
away from the moving blade.  
5. Remove the outer blade flange (fig N).  
6. Remove the blade from the inner flange.  
7. Clean the blade flanges thoroughly before mounting the  
new blade. Wipe a drop of oil onto the inner and outer  
flange where they will touch the blade.  
8. Mount the new blade onto the spindle and against the  
inner flange.  
9. Replace the outer flange and tighten.  
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To cut the biscuit slot, the body  
of the joiner is moved toward the  
material. By utilising the various  
features of the tool you can  
create a wide range of different  
types of joints.  
Direction of Plunge  
Centre line of  
work and machine  
Dust extraction  
CAUTION. Always ensure that the biscuit joiner is switched  
off and unplugged from the power supply before making any  
adjustments or connecting accessories.  
1. Fit the dust extraction adaptor (13) to the port (12) when  
connecting the tool to a dust extraction system (fig Q).  
Crescent  
shape cut  
Always make a reference line  
to line up the machine with the  
centre of the material to be  
Q
R
plunged to ensure accurate biscuit placement.  
Operation – Making a cut  
1. Mark the all the opposing boards at the point at which  
you intend on making a cut. Clamp the material to a  
suitable work surface prior to making any cuts.  
2. Adjust the height of the fence as required for  
the application.  
2. The dust bag (14) can be connected to the adaptor (fig R).  
Operation overview  
A biscuit joiner is ideal for making a variety of strong  
and accurate joints, the most common are:  
3. Adjust the bevel angle of the fence as required  
for the application.  
4. Line up the cutting guide located centre to the front of the  
fence with the cutting line on the workpiece and place the  
biscuit joiner against the workpiece.  
Edge to Edge  
Mitre Joints  
5. Turn on the biscuit joiner using the on/off switch.  
6. Whilst holding the rear handle push the biscuit joiner  
forward so that the blade plunges into the workpiece.  
7. Allow the return spring to retract the blade from the slot  
and then switch off. Repeat this process for each marked  
point along the workpiece.  
Butt Joints  
T Joints  
11  
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11. When all slots have been cut, clean the edge and slots  
of any remaining sawdust.  
Making an edge to edge joint  
12. Place the biscuits into position and fit the matching  
timber pieces together.  
13. Clamp the boards and wipe clean any excess glue and  
leave to set as per the glues specifications.  
NOTE: It is possible that thick pieces of timber may  
require two biscuits at each location, one at a height  
of about 1/3rd the thickness of the wood, and the other  
at about 2/3rd the thickness.  
Centreline Mark(s)  
1. Position the 2 pieces together and draw a reference mark  
at 90º to the centre point of each proposed joint location.  
Space the joints about 4 inches apart.  
Making a mitre joint  
2. Set the cutting depth to suit the biscuits you are using.  
Generally, #20 biscuits suit most applications. If you are  
using stock that is 482.6mm thick or less, you will need  
smaller biscuits.  
3. Adjust the height of the fence as required. Typically this  
is centre to the material thickness. There is a red marker  
on the side of the machine to indicate where the blades  
extends out from.  
1. Slots for a mitre joint can be cut with the workpiece  
secured flat on the bench and the fence tilted to the  
required angle.  
4. Place the cutting guide at the centre point of each  
slot in turn and press the fence against the edge  
of the workpiece.  
2. Position the 2 pieces together and draw a reference mark  
at the centre point of each proposed joint location.  
5. Switch on the biscuit joiner and plunge the blade forward  
to make the cut.  
3. Place the cutting guide at the centre point of each slot  
in turn and press the fence against the edge of the  
workpiece.  
6. Allow the return spring to retract the blade from the slot  
and then switch off.  
7. To cut a slot in the edge of the matching workpiece,  
place this piece on a flat surface and place the biscuit  
joiner against the edge.  
4. Switch on the biscuit joiner and plunge the blade forward  
to make the cut.  
5. Allow the return spring to retract the blade from the slot  
and then switch off.  
8. Again line up the centre point of each slot and make the cuts.  
9. Once all the slots are cut insert a biscuit into each joint  
and dry assemble the workpieces to ensure everything  
lines up and fits.  
6. Once all the slots are cut insert a biscuit into each joint  
and dry assemble the workpieces to ensure everything  
lines up and fits.  
10. Insert a water-based glue along the adjoining edges and  
in to the slots.  
7. Insert a water-based glue into the slots.  
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8. When all slots have been cut, clean the edge and slots of  
any remaining sawdust.  
3. Cut the slots into the workpiece that will become the  
vertical board.  
9. Place the biscuits into position and fit the matching timber  
pieces together.  
4. Cut the slots into the workpiece that will become the  
horizontal board  
10. Clamp the boards and wipe clean any excess glue and  
leave to set as per the glues specifications.  
5. Once all the slots are cut insert a biscuit into each joint  
and dry assemble the workpieces to ensure everything  
lines up and fits.  
Making a corner joint  
1. Set the 2 pieces together and  
6. Insert a water-based glue into the slots.  
7. When all slots have been cut, clean the edge and slots of  
any remaining sawdust.  
draw the joint centres on the  
outside face and end.  
C e n t r e l i n e  
m a r k ( s )  
8. Place the biscuits into position and fit the matching timber  
pieces together.  
2. Cut the slots into the end  
B i s c u i t s l o t  
piece.  
9. Clamp the boards and wipe clean any excess glue and  
leave to set as per the glues specifications.  
3. Cut the slots in the face piece.  
4. Once all the slots are cut  
insert a biscuit into each joint  
and dry assemble the workpieces to ensure everything  
lines up and fits.  
Maintenance  
All the bearings are sealed ball bearings, lubricated for life,  
and require no maintenance.  
5. Insert a water-based glue into the slots.  
Regularly check that all the fixing screws are tight.  
They may vibrate loose over time.  
6. When all slots have been cut, clean the edge and slots of  
any remaining sawdust.  
Power cord maintenance  
7. Place the biscuits into position and fit the matching timber  
pieces together.  
If the supply cord needs replacing, the task must be carried  
out by the manufacturer, the manufacturer’s agent, or an  
authorised service centre in order to avoid a safety hazard.  
8. Clamp the boards and wipe clean any excess glue and  
leave to set as per the glues specifications.  
Cleaning  
Making a T-joint  
1. Keep the tool’s air vents unclogged and clean at all times.  
1. Place the 2 pieces to be joined on a level bench.  
2. Remove dust and dirt regularly. Cleaning is best done  
with a rag. Wear safety goggles or an eye shield and  
gloves whist cleaning.  
2. Mark the centreline for each biscuit.  
3. Keep all moving parts free of built up sawdust and other  
foreign matter.  
4. Never use caustic agents to clean plastic parts.  
CAUTION. Do not use cleaning agents to clean the plastic  
parts of the tool. A mild detergent on a damp cloth is  
recommended. Water must never come into contact with  
the tool.  
Clamp.  
To cut end slots in  
13  
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Trouble shooting  
WARNING!  
Turn the on/off switch to the off position and unplug the tool  
from the power supply before performing trouble shooting procedures.  
Trouble  
Problem  
Suggested remedy  
Biscuit joiner  
will not start  
Power cord not plugged in  
Power fault, fuse or circuit breaker tripped  
Cord damaged  
Ensure that the cord is connected to the power supply  
Check the power supply  
Use qualified electrical repairer to repair or replace  
Use qualified electrical repairer to repair or replace  
Use qualified electrical repairer to repair or replace the motor  
Use extension cord heavy enough to carry the current  
Burned out switch  
Faulty motor  
Blade does not Extension cord too long or undersized  
reach full speed  
Tool is overheating  
Turn off the tool and let it cool down to room  
temperature. Inspect and clean the ventilation slots  
Biscuit does  
not fit into slot  
Incorrect biscuit being used  
Check to see that the biscuit is the same size as  
the slot cut. ie. use a #10 biscuit for a #10 slot.  
Poor cutting  
Accessory blunted  
Loose parts  
Replace with new biscuit joiner blade  
Vibration or  
abnormal noise  
Check to see that all levers are secure including bevel  
adjustment knob and height adjustment knob  
Blade vibrating  
Ensure that the blade flange is securely tightened  
Use qualified electrical repairer to repair or replace  
Moving parts excessively worn  
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GMC customer assist  
If your product needs repairing or you simply need help  
or advice, please contact us on our Customer Assist Line  
1300 880 001 (Australia) or 0800 445 721 (New Zealand).  
For prompt service we suggest you log your service request  
online at www.gmcservice.com.au. Should you not have  
access to the Internet, please contact our service department  
on 1300 880 001 (Australia) or 0800 445 721 (New Zealand).  
7am 7pm, 7days a week (AEST).  
Please note that if repair is required, you must  
provide a valid original purchase receipt.  
You will need the following details at hand to log your service request;  
Personal details: First & Last name, address, pick up address,  
contact phone numbers, email address  
Product details: Product number, date of purchase, retailer bought from,  
State & postcode, receipt number, reason for the request,  
copy of official purchase receipt  
Attach your purchase receipt and save with this Manual for future reference.  
Please refer to our website www.gmcompany.com for full GMC warranty Terms and Conditions.  
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