Chicago Electric Welder 97717 User Manual

ARC STICK WELDER - 70 AMP  
Model 97717  
SET uP AnD OPERATIng InSTRuCTIOnS  
Diagrams within this manual may not be drawn proportionally.  
Due to continuing improvements, actual product may differ slightly from the product described herein.  
®
Distributed exclusively by Harbor Freight Tools .  
3491 Mission Oaks Blvd., Camarillo, CA 93011  
Read this material before using this product.  
Failure to do so can result in serious injury.  
SAVE THIS MAnuAL.  
©
®
Copyright 2008 by Harbor Freight Tools . All rights reserved. No portion of this  
manual or any artwork contained herein may be reproduced in any shape or form  
without the express written consent of Harbor Freight Tools.  
For technical questions or replacement parts, please call 1-800-444-3353.  
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nOTICE is used to  
address practices  
SAVE THIS MAnuAL  
Notice  
Keep this manual for the safety  
warnings and precautions, assembly,  
operating, inspection, maintenance and  
cleaning procedures. Write the product’s  
serial number in the back of the manual near  
the assembly diagram (or month and year of  
purchase if product has no number). Keep  
this manual and the receipt in a safe and dry  
place for future reference.  
not related to personal injury.  
CAuTIOn, without  
CAuTIOn  
the safety alert  
symbol, is used to address  
practices not related to  
personal injury.  
general Safety Rules  
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 line-operated  
(corded) Arc Welder.  
IMPORTAnT SAFETY  
InFORMATIOn  
In this manual, on the labeling,  
and all other information  
provided with this product:  
This is the safety alert  
symbol. It is used to alert  
you to potential personal  
injury hazards. Obey all  
safety messages that  
SAVE THESE InSTRuCTIOnS  
1. Work area safety  
a. Keep work area clean and well  
lit. Cluttered or dark areas invite  
accidents.  
follow this symbol to avoid  
possible injury or death.  
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.  
DAngER indicates  
a hazardous  
situation which, if not  
avoided, will result in death or  
serious injury.  
DAngER  
c. Keep children and bystanders  
away while operating a power  
tool. Distractions can cause you  
to lose control.  
WARnIng  
indicates a  
hazardous situation which, if  
not avoided, could result in  
death or serious injury.  
WARnIng  
2. Electrical safety  
a. Avoid body contact with grounded  
surfaces such as pipes, radiators,  
ranges and refrigerators. There is  
an increased risk of electric shock if  
your body is grounded.  
CAuTIOn, used  
with the safety  
alert symbol, indicates a  
hazardous situation which, if  
not avoided, could result in  
minor or moderate injury.  
CAuTIOn  
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b. Do not touch exposed electrical  
parts.  
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. Do not expose power tools to rain  
or wet conditions. Water entering a  
power tool will increase the 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.  
d. Do not abuse the cord. Never use  
the cord for 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  
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.  
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.  
3. Personal safety  
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.  
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.  
b. Use safety equipment. Always wear  
ANSI-approved safety glasses and  
arc shaded, impact safety full face  
shield. Safety equipment such as  
NIOSH-approved respirator, heavy-  
duty work gloves, non-skid safety  
shoes, or hearing protection used  
for appropriate conditions will reduce  
personal injuries.  
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.  
e. Maintain power tools. Check for  
misalignment or binding of moving  
parts, breakage of parts and any  
other condition that may affect the  
power tool’s operation. If damaged,  
have the power tool repaired before  
use. Many accidents are caused by  
poorly maintained power tools.  
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.  
SKU 97717  
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f. 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.  
protection. Do not allow viewing by  
visitors without proper eye and body  
protection. Use a Face Shield with  
arc shaded filter plate.  
4. Move flammable and explosive  
material at least 35 feet from the  
welding arc to prevent welding sparks  
or molten metal from starting a fire.  
Keep a type ABC fire extinguisher  
within easy reach. Thoroughly clean  
the object being welded of any paint,  
grease, or other foreign material.  
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.  
5. Avoid unintentional starting. Prepare  
to begin work before turning on the  
tool.  
6. Do not leave the tool unattended  
when it is plugged into an electrical  
outlet. Turn off the tool, and unplug  
it from its electrical outlet before  
leaving.  
Specific Safety Rules  
1. Maintain labels and nameplates on  
the tool. These carry important safety  
information. If unreadable or missing,  
contact Harbor Freight Tools for a  
replacement.  
7. Use clamps (not included) or other  
practical ways to secure and support  
the work piece to a stable platform.  
Holding the work by hand or against  
your body is unstable and may lead  
to loss of control.  
2. Avoid electrical shock. Do not permit  
electrically live parts, cables, or  
electrodes to contact skin, clothing,  
or gloves. Wear ANSI-approved  
protective clothing. This unit draws  
enough current to cause serious  
injury or death. Before turning the  
welder on, check the electrode  
holder to be sure that there are no  
protruding screw heads, and that  
all insulation is secure. Do not weld  
unless you are insulated from ground  
and the work piece.  
8. This product is not a toy. Keep it out  
of reach of children.  
9. Industrial applications must follow  
OSHA guidelines.  
10. People with pacemakers should  
consult their physician(s) before  
use. Electromagnetic fields in close  
proximity to heart pacemaker could  
cause pacemaker interference or  
pacemaker failure. In addition,  
people with pacemakers should:  
• Avoid operating alone.  
3. Avoid eye and body damage. Arc  
rays and infrared radiation can  
injure eyes and burn skin. Wear  
ANSI approved eye and body  
• Do not use with power switch locked  
on.  
• Properly maintain and inspect to  
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avoid electrical shock.  
When welding/cutting overhead  
or in confined spaces, wear flame  
resistant ear plugs or ear muffs to  
keep sparks out of ears.  
• Any power cord must be properly  
grounded. Ground Fault Circuit  
Interrupter (GFCI) should also be  
implemented – it prevents sustained  
electrical shock.  
13.  
Prevent accidental fires.  
Remove any combustible  
material from the work  
area.  
11. WARNING: This product, when used  
for welding, plasma cutting, soldering,  
or similar applications, produces  
chemicals known to the State of  
California to cause cancer and birth  
defects (or other reproductive harm).  
(California Health & Safety Code §  
25249.5, et seq.)  
14. When possible, move the work to a  
location well away from combustible  
materials. If relocation is not  
possible, protect the combustibles  
with a cover made of fire resistant  
material.  
12.  
Prevent eye  
injury and  
burns. Wearing  
15. Remove or make safe all combustible  
materials for a radius of 35 feet (10  
meters) around the work area.  
and using  
ANSI-approved  
personal safety clothing and safety  
devices reduce the risk for injury.  
16. Do not use near degreasing or  
painting operations.  
17. Enclose the work area with portable  
fire resistant screens. Protect  
combustible walls, ceilings, floors,  
etc., from sparks and heat with fire  
resistant covers.  
Wear ANSI-approved safety impact  
eye goggles underneath welding  
eye protection featuring at least a  
Number 10 shade lens rating.  
• Leather leggings, fire resistant  
shoes or boots should be worn  
when using this product. Do not  
wear pants with cuffs, shirts with  
open pockets, or any clothing that  
can catch and hold molten metal or  
sparks.  
18. If working on a metal wall, ceiling,  
etc., prevent ignition of combustibles  
on the other side by moving the  
combustibles to a safe location. If  
relocation of combustibles is not  
possible, designate someone to  
serve as a fire watch, equipped with  
a fire extinguisher, during the cutting  
process and for at least one half hour  
after the cutting is completed.  
Keep clothing free of grease,  
oil, solvents, or any flammable  
substances. Wear dry, insulating  
gloves and protective clothing.  
19. Do not weld or cut on materials  
having a combustible coating or  
Wear an approved head covering  
to protect the head and neck. Use  
aprons, cape, sleeves, shoulder  
covers, and bibs designed and  
approved for welding and cutting  
procedures.  
combustible internal structure, as in  
walls or ceilings, without an approved  
method for eliminating the hazard.  
SKU 97717  
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Do not dispose of hot slag in  
containers holding combustible  
materials. Keep a fire extinguisher  
nearby and know how to use it.  
falls while plugged in, severe injury,  
electric shock, or fire may result.  
23. Avoid overexposure to fumes and  
gases. Always keep your head out  
of the fumes. Do not breathe the  
fumes. Use enough ventilation or  
exhaust, or both, to keep fumes and  
gases from your breathing zone and  
general area.  
After spot welding, make a  
thorough examination for evidence  
of fire. Be aware that easily-  
visible smoke or flame may not  
be present for some time after  
the fire has started. Do not weld  
or cut in atmospheres containing  
dangerously reactive or flammable  
gases, vapors, liquids, and dust.  
Provide adequate ventilation in  
work areas to prevent accumulation  
of flammable gases, vapors, and  
dust. Do not apply heat to a  
24. Where ventilation is questionable,  
have a qualified technician take  
an air sampling to determine the  
need for corrective measures. Use  
mechanical ventilation to improve  
air quality. If engineering controls  
are not feasible, use an approved  
respirator.  
container that has held an unknown  
substance or a combustible  
25. Follow OSHA guidelines for  
Permissible Exposure Limits (PEL’s)  
for various fumes and gases.  
material whose contents, when  
heated, can produce flammable or  
explosive vapors. Clean and purge  
containers before applying heat.  
Vent closed containers, including  
castings, before preheating,  
26. Follow the American Conference of  
Governmental Industrial Hygienists  
recommendations for Threshold Limit  
Values (TLV’s) for fumes and gases.  
welding, or cutting.  
20. Do not touch live electrical parts.  
Wear dry, insulating gloves. Do not  
touch electrode or conductor tong  
with bare hand. Do not wear wet or  
damaged gloves.  
27. Have a recognized specialist in  
Industrial Hygiene or Environmental  
Services check the operation and air  
quality and make recommendations  
for the specific welding or cutting  
situation.  
21. Protect yourself from electric shock.  
Do not use outdoors. Insulate  
yourself from the work piece and  
ground. Use nonflammable, dry  
insulating material if possible, or  
use dry rubber mats, dry wood or  
plywood, or other dry insulating  
material big enough to cover your  
full area of contact with the work or  
ground.  
22. Ensure that the unit is placed on a  
stable location before use. If this unit  
SKU 97717  
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WARnIng  
InHALATIOn HAzARD:  
Welding and Plasma Cutting Produce  
TOxIC FuMES.  
Exposure to welding or cutting  
exhaust fumes can increase the risk  
of developing certain cancers, such as  
cancer of the larynx and lung cancer.  
Also, some diseases that may be linked  
to exposure to welding or plasma cutting  
exhaust fumes are:  
• Early onset of Parkinson’s Disease  
• Heart disease  
• Ulcers  
• Damage to the reproductive organs  
• Inflammation of the small intestine or  
stomach  
• Kidney damage  
• Respiratory diseases such as  
emphysema, bronchitis, or pneumonia  
Use natural or forced air ventilation and  
wear a respirator approved by NIOSH to  
protect against the fumes produced to  
reduce the risk of developing the above  
illnesses.  
28. The warnings, precautions,  
and instructions discussed in  
this instruction manual cannot  
cover all possible conditions and  
situations that may occur. It must  
be understood by the operator that  
common sense and caution are  
factors which cannot be built into this  
product, but must be supplied by the  
operator.  
SAVE THESE  
InSTRuCTIOnS.  
SKU 97717  
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TO PREVEnT  
SERIOuS  
InjuRY FROM ACCIDEnTAL  
OPERATIOn:  
SPECIFICATIOnS  
WARnIng  
Electrical  
120 V~ / 60 Hz  
Requirements  
Power Plug: 20 Amp/3 Prong / Grounded  
Input Current  
20 Amps  
Turn the Power Switch of the  
tool to its “OFF” position  
and unplug the tool from  
its electrical outlet before  
assembling or making any  
adjustments to the tool.  
Power Switch  
Type  
Rocker with Light (Yellow)  
Indicators  
Settings  
Thermal Overload Light (Red)  
Minimum: 50 Amp  
Maximum: 70 Amp  
Welding  
Capacity  
Up to 1/8” Thick Steel in a Single Pass  
Recommended 1/16” Diameter for 15 Amp Circuits  
Electrode Size Up to 5/64” Diameter for 20 Amp Circuits  
note: For additional information regarding  
the parts listed in the following pages,  
refer to the Assembly Diagram near  
the end of this manual.  
Duty Cycle  
10% @ 70 Amps / 20% @ 50 Amps  
Welding Shield (Qty. 1)  
Hammer/Brush (Qty. 1)  
Electrode Holder (Qty. 1)  
Ground Clamp (Qty. 1)  
Accessories  
Assembly  
1. To assemble the Welding Shield,  
place the Shield on a flat surface.  
Press the Handle into place. Then  
insert the Filter Lens.  
unPACKIng  
When unpacking, check to make sure  
that the item is intact and undamaged. If  
any parts are missing or broken, please call  
Harbor Freight Tools at the number shown  
on the cover of this manual as soon as pos-  
sible.  
(See Figure A.)  
InITIAL SET uP  
InSTRuCTIOnS  
Read the EnTIRE IMPORTAnT  
SAFETY InFORMATIOn section  
at the beginning of this manual  
including all text under  
subheadings therein before set  
up or use of this product.  
FIguRE A  
2. This Arc Welder is equipped with a  
120 volt, 20 Amp, 3-prong, grounded  
Power Plug (8). If this Plug does not  
fit your existing 120 volt electrical  
outlet, have a qualified electrician  
SKU 97717  
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install a 120 volt, 20 Amp, 3-hole,  
grounded electrical outlet. (See  
Figure b.)  
3. Secure loose workpieces using a vise  
or clamps (not included) to prevent  
movement while working. The work-  
pieces should be held together firmly  
while welding. The distance (if any)  
between the two workpieces must  
be controlled properly to allow the  
weld to hold both sides securely while  
allowing the weld to penetrate fully  
into the joint.  
FIguRE b  
4. There must not be hazardous objects,  
such as utility lines or foreign objects,  
nearby that will present a hazard  
while working.  
OPERATIng InSTRuCTIOnS  
Read the EnTIRE IMPORTAnT  
SAFETY InFORMATIOn section  
at the beginning of this manual  
including all text under  
subheadings therein before set  
up or use of this product.  
5. A barrier, such as a welding curtain  
or welding shroud should be put up  
to protect others in the work area and  
limit the spray of sparks.  
general Operating Instructions  
TO PREVEnT  
SERIOuS  
Protective gear  
must be worn when  
WARnIng  
DAngER  
InjuRY FROM ACCIDEnTAL  
OPERATIOn:  
Turn the switch to its off  
position before performing  
any inspection, maintenance,  
or cleaning procedures.  
using the Arc Welder; AnSI-  
approved, arc shaded, eye  
protection, a full face shield,  
welding gloves and welding  
apron, nIOSH-approved  
respirator, and fire resistant  
work clothes without pockets  
should be worn when using  
this product. Do not look at  
the ignited arc without eye  
protection. Light from the arc  
can cause permanent damage  
to the eyes. Light from the  
arc can burn the skin. Do not  
breathe arc fumes.  
Workpiece and Work Area Set up  
1. Designate a work area that is clean  
and well-lit. The work area must not  
allow access by children or pets to  
prevent injury and distraction.  
2. Route the power cord along a safe  
route to reach the work area without  
creating a tripping hazard or exposing  
the power cord to possible damage.  
The power cord must reach the work  
area with enough extra length to allow  
free movement while working.  
1. The duty cycle defines the number of  
minutes, within a 10 minute period,  
during which a given Welder can  
safely produce a particular welding  
current. For example, at a 10% duty  
SKU 97717  
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cycle (at 70 Amps), actual welding  
can occur for one minute and  
then the welder must cool for nine  
minutes. At a 20% duty cycle (at  
50 Amps), welding can occur for 2  
minutes and then the welder must  
cool for 8 minutes.  
5. Make sure the Power Switch (13) is  
off, then plug the Arc Welder’s Power  
Cord (8) into a dedicated, 120 VAC,  
20 amp line with delayed action type  
circuit breaker or fuses.  
(See Assy. Diagram.)  
6. While grasping the handle of  
the Electrode Holder (9), with  
the electrode clear of grounded  
objects, turn the Power Switch (13)  
to its “On” position. (See Assy.  
Diagram.)  
Failure to carefully observe duty  
cycle limitations can stress a  
Welder’s power generation system,  
contributing to premature Welder  
failure.  
• This Welder is equipped with an  
internal thermal protection system  
to help prevent damage to the unit.  
When the Arc Welder overheats a  
red light is illuminated on the control  
panel and the unit automatically  
shuts down. Then the unit returns  
to service when it cools down and  
the red light turns off.  
7. Hold the Welding Shield in front  
of your eyes. WARnIng! Never  
look at the ignited arc without ANSI-  
approved, arc shaded, eye protection  
in a full face shield. Permanent eye  
damage or blindness can occur.  
Skin burns can occur. Wear a  
NIOSH-approved respirator to avoid  
breathing arc fumes.  
Once the unit returns to service,  
follow a more conservative duty  
cycle routine to help prevent excess  
wear to the Welder.  
8. Stroke the area to be welded with the  
electrode to ignite the arc. Never tap  
the electrode into the welding surface  
to ignite the arc. This damages its  
external coating on the electrode  
which prevents oxygen in the air from  
coming into contact with the molten  
metal, causing it to oxidize.  
2. Attach the Ground Cable with Clamp  
(10) as close as possible to the  
intended welding location.  
(See Assy. Diagram.)  
3. Place the bare end of the electrode  
(not included) in the Electrode Holder  
(9). nOTE: Always keep the jaws of  
the Electrode Holder clean to ensure  
proper electrical contact with the  
9. Once the arc is ignited, tilt the  
electrode backward at an angle  
of approximately 30° and hold it  
at a distance from the welding  
object equal to the diameter of the  
electrode.  
electrode. (See Assy. Diagram.)  
4. Set the desired current (50~70 Amps)  
for the type of metal being welded  
with the MIN/MAX Switch (12). Thin  
metals use low current and heavy  
metals use high current.  
10. nOTE: If too much current is drawn  
from the Arc Welder, the Thermal  
Overload Protector will activate.  
The red light on the Control Panel  
will illuminate, and the Welder will  
automatically shut off until it cools  
down. If this happens, turn the Power  
(See Assy. Diagram.)  
SKU 97717  
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Switch (13) to its “OFF” position and  
wait about 10 minutes. Then restart  
the Welder. (See Assy. Diagram.)  
TO PREVEnT  
SERIOuS InjuRY  
FROM ACCIDEnTAL  
WARnIng  
OPERATIOn:  
11. When the weld is complete, lift the  
electrode clearly away from any  
grounded object. Set the Welding  
Shield down, and turn the power  
Switch (13) to its “OFF” position.  
(See Assy. Diagram.)  
Turn the Power Switch of the  
tool to its “OFF” position and  
unplug the tool from its  
electrical outlet before  
performing any inspection,  
maintenance, cleaning, or  
storage procedures.  
12. Unplug the Power Cord (8) from the  
electrical outlet.  
1. bEFORE EACH uSE, inspect the  
general condition of the Arc Welder.  
Check for cracked or missing  
(See Assy. Diagram.)  
13. Remove the clamped Ground Cable  
from the object it is clamped onto.  
Then remove the electrode from the  
Electrode Holder (9).  
insulators, damaged electrical wiring,  
and any other condition that may  
affect its safe operation. If abnormal  
noise or vibration occurs, have the  
problem corrected before further use.  
Do not use damaged equipment.  
(See Assy. Diagram.)  
14. Clean and store the Arc Welder  
indoors out of reach of children and  
other unauthorized people.  
2. AFTER uSE, clean external surfaces  
of the Arc Welder with a clean cloth.  
Use compressed air to blow all  
15. IMPORTAnT: Please read  
the included “Weld Diagnosis  
Pamphlet” for tips and suggestions  
concerning welding and proper  
usage.  
dust and debris from the ventilation  
openings. Do not hold the air nozzle  
too close to the ventilation openings.  
3. AFTER uSE, store the Arc Welder  
in a clean, dry, safe location out of  
reach of children and unauthorized  
people.  
4.  
WARnIng! If the supply cord  
of this Arc Welder is damaged,  
it must be replaced only by a  
qualified service technician.  
MAInTEnAnCE AnD  
SERVICIng  
Procedures not specifically  
explained in this manual  
must be performed only by a  
qualified technician.  
SKU 97717  
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TROubLESHOOTIng  
Problem  
Possible Causes  
Possible Solutions  
Welder does not “hum”  
when turned on.  
1. No power at electrical outlet.  
1. Check circuit fuse or circuit breaker.  
2. Broken or damaged Power Cord.  
2. Have Power Cord repaired or replaced by  
a qualified electrician.  
Welder “hums” but does  
not weld.  
1. Inadequate current at electrode and/or poor  
1. Check Ground Clamp, Cable, and  
connection to workpiece.  
connections at Welder.  
2. Check Welding Cable and Electrode  
Holder.  
3. Check all Welder external connections.  
1. Use smaller diameter electrode.  
Arc difficult to strike.  
1. Electrode diameter too large.  
2. Workpiece not properly grounded.  
2. Verify proper grounding (no paint, varnish,  
or corrosion).  
3. Heavy loads, making power line voltage low.  
3. Run Arc Welder on dedicated 120 volt, 20  
Amp circuit.  
Welder gives trickle shots. 1. Accidental contact with workpiece.  
2. Current leakage caused by damp work area.  
1. Avoid contact with workpiece.  
2. Make sure clothing and work area are dry.  
Welder overheats, blows  
1. Use of extension cord.  
1. Relocate Arc Welder to avoid use of  
extension cord. If relocation of Welder  
is not possible, use thicker (lower gauge  
number) extension cord.  
fuses, trips circuit breaker.  
2. Electrode diameter too large.  
3. Overloaded circuit.  
2. Use smaller diameter electrode.  
3. Run Arc Welder on dedicated 120 volt, 20  
Amp circuit.  
Bead is intermittently too  
thin or too thick.  
1. Inconsistent travel speed.  
2. Output Amp setting too low.  
1. Decrease and maintain travel speed.  
2. Increase output Amp setting or change to  
smaller diameter electrode.  
Electrode sticks to work-  
piece.  
1. Arc length too short.  
1. Lift electrode to correct arc length as soon  
as arc is struck.  
2. Increase output Amp setting or change to  
smaller diameter electrode.  
2. Output Amp setting too low.  
1. Damp electrodes.  
Electrodes sputter and  
stick.  
1. Use dry electrodes and store in a dry  
location.  
Weld bead does not pen-  
etrate base metal.  
1. Travel speed too fast.  
2. Arc length too short.  
1. Decrease travel speed.  
2. Increase arc length.  
3. Output Amp setting too low.  
3. Increase output Amp setting.  
Ragged depressions at  
edge of weld.  
1. Slow and/or inconsistent travel speed.  
2. Output Amp setting too high.  
1. Increase and maintain travel speed.  
2. Reduce output Amp setting.  
PLEASE READ THE FOLLOWIng CAREFuLLY  
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY  
DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR  
DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT  
HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS  
QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR  
DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE  
UNDERTAKEN BY CERTIFIEDAND LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER  
ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL  
PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION  
OF REPLACEMENT PARTS THERETO.  
SKU 97717  
For technical questions, please call 1-800-444-3353.  
Page 13  
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PARTS LIST AnD ASSEMbLY DIAgRAM  
SKU 97717  
For technical questions, please call 1-800-444-3353.  
Page 14  
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LIMITED 1 YEAR / 90 DAY WARRAnTY  
Harbor Freight Tools Co. makes every effort to assure that its products meet high  
quality and durability standards, and warrants to the original purchaser that for a period of  
ninety days from date of purchase that the torch, liner, wire feed mechanism (if applicable),  
welding clamps, electrode holders, cables and accessories packed with the welder are  
free of defects in materials and workmanship. This Limited 90 Day/1 Year Warranty  
shall not apply to consumable parts such as tips, welding wire, and gas nozzles.  
Harbor Freight Tools also warrants to the original purchaser, for a period of one year from  
date of purchase, that the transformer and rectifier are free from defects in materials and  
workmanship (90 days if used by a professional contractor or if used as rental equipment).  
This warranty does not apply to damage due directly or indirectly to misuse, abuse,  
negligence or accidents, repairs or alterations outside our facilities, normal wear and tear,  
or to lack of maintenance. 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 product. Some states do not allow the exclusion or limitation of incidental or  
consequential damages, so the above limitation of exclusion may not apply to you. THIS  
WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR  
IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.  
To take advantage of this warranty, the product or part must be returned to us with  
transportation charges prepaid. Proof of purchase date and an explanation of the complaint  
must accompany the merchandise. If our inspection verifies the defect, we will either  
repair or replace the product at our election or we may elect to refund the purchase price  
if we cannot readily and quickly provide you with a replacement. We will return repaired  
products at our expense, but if we determine there is no defect, or that the defect resulted  
from causes not within the scope of our warranty, then you must bear the cost of returning  
the product.  
This warranty gives you specific legal rights and you may also have other rights which  
vary from state to state.  
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353  
Record Product’s Serial number Here:  
note: If product has no serial number, record month and year of purchase instead.  
note: Some parts are listed and shown for illustration purposes only, and are not  
available individually as replacement parts.  
SKU 97717  
For technical questions, please call 1-800-444-3353.  
Page 15  
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