Harbor Freight Tools 97719 User Manual
ARC WELDER
Model
97719
135AC/105DC AMP
SET UP AND OPERATING INSTRUCTIONS
Visit our website at: http://www.harborfreight.com
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. Diagrams within this manual may not be
drawn proportionally. Due to continuing improvements, actual product may differ slightly
from the product described herein. Tools required for assembly and service may not be
included.
For technical questions or replacement parts, please call 1-800-444-3353.
Revised Manual 09c, 09l
CONTENTS
IMPORTANT SAFETY INFORMATION ........................................................................3
GENERAL SAFETY RULES ....................................................................................3
SPECIFIC SAFETY RULES.....................................................................................5
SPECIFICATIONS .........................................................................................................9
UNPACKING .................................................................................................................9
INITIAL SET UP
INSTRUCTIONS ............................................................................................................9
ASSEMBLY ..............................................................................................................9
OPERATING INSTRUCTIONS ....................................................................................10
WORK PIECE AND WORK AREA SET UP .......................................................... 10
GENERAL OPERATING INSTRUCTIONS ............................................................ 11
MAINTENANCE AND SERVICING.............................................................................13
TROUBLESHOOTING.................................................................................................14
PLEASE READ THE FOLLOWING CAREFULLY .....................................................14
PARTS LIST.................................................................................................................15
ASSEMBLY DIAGRAM ..............................................................................................16
LIMITED 1 YEAR / 90 DAY WARRANTY....................................................................17
Page 2SKU 97719 For technical questions, please call 1-800-444-3353.
SAVE THIS MANUAL
Keep this manual for the safety
warnings and precautions, assemb ly,
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.
IMPORTANT SAFETY
INFORMATION
CAUTION, used
with the safety
alert symbol, indicates a
hazardous situation which, if
not avoided, could result in
minor or moderate injury.
NOTICE is used to
address practices
not related to personal injury.
CAUTION, without
the safety alert
symbol, is used to address
practices not related to
personal injury.
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
follow this symbol to avoid
possible injury or death.
DANGER indicates
a hazardous
situation which, if not
avoided, will result in death or
serious injury.
WARNING
indicates a hazardous
situation which, if not
avoided, could result in death
or serious injury.
General Safety Rules
WARNING! Read all instructions
Failure to follow all instructions
listed below may result in
electric shock, re, and/or
serious injury. The term “power
tool” in all of the warnings listed
below refers to your line-operated
(corded) Arc Welder.
SAVE THESE INSTRUCTIONS
Work area safety1.
Keep work area clean and well a.
lit. Cluttered or dark areas invite
accidents.
Do not operate power tools in b.
explosive atmospheres, such as in
the presence of ammable liquids,
gases or dust. Power tools create
sparks which may ignite the dust or
fumes.
Keep children and bystanders c.
away while operating a power tool.
Distractions can cause you to lose
control.
Page 3SKU 97719 For technical questions, please call 1-800-444-3353.
Electrical safety2.
Avoid body contact with grounded a.
surfaces such as pipes, radiators,
ranges and refrigerators. There is
an increased risk of electric shock if
your body is grounded.
Do not touch exposed electrical b.
parts.
Do not expose power tools to rain c.
or wet conditions. Water entering a
power tool will increase the risk of
electric shock.
Avoid accidental starting. Ensure c.
the switch is in the off-position
before plugging in.
Remove any adjusting key or wrench d.
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.
Do not overreach. Keep proper e.
footing and balance at all times.
This enables better control of the
power tool in unexpected situations.
Do not abuse the cord. Never use d.
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.
When operating a power tool e.
outdoors, use an extension cord
suitable for outdoor use. Use of
a cord suitable for outdoor use
reduces the risk of electric shock.
Personal safety3.
Stay alert, watch what you are a.
doing and use common sense
when operating a power tool. Do
not use a power tool while you are
tired or under the inuence of drugs,
alcohol or medication. A moment
of inattention while operating power
tools may result in serious personal
injury.
Use safety equipment. Always wear b.
ANSI-approved safety glasses and
arc shaded, impact safety full face
shield. Safety equipment such as
NIOSH-approved respirator, heavyduty work gloves, non-skid safety
shoes, or hearing protection used
for appropriate conditions will reduce
personal injuries.
Power tool use and care4.
Do not force the power tool. Use a.
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.
Do not use the power tool if the b.
switch does not turn it on and
off. Any power tool that cannot
be controlled with the switch is
dangerous and must be repaired.
Disconnect the plug from the c.
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.
Store idle power tools out of the d.
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.
Maintain power tools. Check for e.
misalignment or binding of moving
parts, breakage of parts and any
other condition that may affect the
power tool’s operation. If damaged,
Page 4SKU 97719 For technical questions, please call 1-800-444-3353.
have the power tool repaired before
use. Many accidents are caused by
poorly maintained power tools.
Use the power tool, accessories and f.
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.
Service5.
Have your power tool serviced by a.
a qualied repair person using only
identical replacement parts. This will
ensure that the safety of the power
tool is maintained.
Specic Safety Rules
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.
Avoid eye and body damage. Arc 5.
rays and infrared radiation can
injure eyes and burn skin. Wear
ANSI-approved eye and body
protection. Do not allow viewing by
visitors without proper eye and body
protection. Use a Face Shield with
arc shaded lter plate.
Move ammable and explosive 6.
material at least 35 feet from the
welding arc to prevent welding sparks
or molten metal from starting a re.
Keep a type ABC re extinguisher
within easy reach. Thoroughly clean
the object being welded of any paint,
grease, or other foreign material.
Maintain labels and nameplates on 1.
the tool. These carry important safety
information. If unreadable or missing,
contact Harbor Freight Tools for a
replacement.
NEVER connect one Cable (33, 34) 2.
to a DC Cable Connection Knob (22)
and the other Cable to an AC Cable
Connection Knob.
ALWAYS unplug the Power Cord 3.
(32) from its electrical outlet before
connecting Cables (33, 34).
Avoid electrical shock. Do not permit 4.
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
Avoid unintentional starting. Prepare 7.
to begin work before turning on the
tool.
Do not leave the tool unattended 8.
when it is plugged into an electrical
outlet. Turn off the tool, and unplug
it from its electrical outlet before
leaving.
Use clamps (not included) or other 9.
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.
This product is not a toy. Keep it out 10.
of reach of children.
Industrial applications must follow 11.
OSHA guidelines.
Page 5SKU 97719 For technical questions, please call 1-800-444-3353.
People with pacemakers should 12.
consult their physician(s) before
use. Electromagnetic elds in close
proximity to heart pacemaker could
cause pacemaker interference or
pacemaker failure. In addition,
people with pacemakers should:
• Avoid operating alone.
• Do not use with power switch locked
on.
• Properly maintain and inspect to
avoid electrical shock.
• Any power cord must be properly
grounded. Ground Fault Circuit
Interrupter (GFCI) should also be
implemented – it prevents sustained
electrical shock.
WARNING: This product, when used 13.
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. Prevent eye
injury and
burns. Wearing
and using
ANSI-approved
personal safety clothing and safety
devices reduce the risk for injury.
Wear ANSI-approved safety impact •
eye goggles underneath welding
eye protection featuring at least a
Number 10 shade lens rating.
Leather leggings, re 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.
Keep clothing free of grease, •
oil, solvents, or any ammable
substances. Wear dry, insulating
gloves and protective clothing.
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 cut ting
procedures.
When welding/cutting overhead •
or in conned spaces, wear ame
resistant ear plugs or ear muffs to
keep sparks out of ears.
15. Prevent accidental res.
Remove any combustible
material from the work
area.
When possible, move the work to a 16.
location well away from combustible
materials. If relocation is not possible, protect the combustibles with a
cover made of re resistant material.
Remove or make safe all combustible 17.
materials for a radius of 35 feet (10
meters) around the work area. Use
a re resistant material to cover or
block all open doorways, windows,
cracks, and other openings.
Ground this product. This Welder 18.
requires the attachment and use
of a UL-listed, 240 volt, grounded,
3-prong, electrical Power Cord Plug
(not included). Only a qualied
electrician should install the Power
Cord Plug. Never remove the
grounding prong or modify the Power
Cord Plug in any way. Do not use
adapter plugs with this product.
Do not use near degreasing or 19.
painting operations.
REV 09d
Page 6SKU 97719 For technical questions, please call 1-800-444-3353.
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