Chicago Electric 8878 Manual de lista de piezas

DENT REPAIR STUD WELDER

Model

08878

ASSEMBLY AND OPERATION INSTRUCTIONS

Due to continuing improvements, actual product may differ slightly from the product described herein.

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our website at: http://www.harborfreight.com

TO PREVENT SERIOUS INJURY, READ AND UNDERSTAND

ALL WARNINGS AND INSTRUCTIONS BEFORE USE.

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.

Manual revised 02/07

SKU 8878 For technical questions, please call 1-800-444-3353. Page 2

SPECIFICATIONS

Welding Process Resistance Weld

Power Requirements 120 V, 60 Hz, ~40 A Peak

Circuit Requirement 20 A

Switch Push Button

Power Cord 14 AWG x 3C / 3 prong grounded plug

Features: High power low heat transformer with resettable safety breaker/ 2 lb.

Slide Hammer, 100 0.078” (2mm) copper studs

SAVE THIS MANUAL

You will need this manual for the safety warnings and precautions, assembly,

operating, inspection, maintenance and cleaning procedures, parts list and assembly

diagram. Keep your invoice with this manual. Write the invoice number on the inside

of the front cover. Keep this manual and invoice in a safe and dry place for future refer-

ence.

GENERAL SAFETY RULES

WARNING!

READ AND UNDERSTAND ALL INSTRUCTIONS

Failure to follow all instructions listed below may result in

electric shock, re, and/or serious injury.

SAVE THESE INSTRUCTIONS

WORK AREA

Keep your work area clean and well lit. Cluttered benches and dark areas invite

accidents.

Do not operate power tools in 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 bystanders, children, and visitors away while operating a power tool. Dis-

tractions can cause you to lose control. Protect others in the work area from

debris such as chips and sparks. Provide barriers or shields as needed.

ELECTRICAL SAFETY

Grounded tools must be plugged into an outlet properly installed and grounded

in accordance with all codes and ordinances. Never remove the grounding

prong or modify the plug in any way. Do not use any adapter plugs. Check

REV 03/07

SKU 8878 For technical questions, please call 1-800-444-3353. Page 3

with a qualied electrician if you are in doubt as to whether the outlet is

properly grounded. If the tools should electrically malfunction or break down,

grounding provides a low resistance path to carry electricity away from the user.

Double insulated tools are equipped with a polarized plug (one blade is wider

than the other). This plug will t in a polarized outlet only one way. If the

plug does not t fully in the outlet, reverse the plug. If it still does not t,

contact a qualied electrician to install a polarized outlet. Do not change

the plug in any way. Double insulation eliminates the need for the three wire

grounded power cord and grounded power supply system.

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 ground-

ed.

Do not expose power tools to rain or wet conditions. Water entering a power tool

will increase the risk of electric shock.

Do not abuse the Power Cord. Never use the Power Cord to carry the tools

or pull the Plug from an outlet. Keep the Power Cord away from heat, oil,

sharp edges, or moving parts. Replace damaged Power Cords immediate-

ly. Damaged Power Cords increase the risk of electric shock.

When operating a power tool outside, use an outdoor extension cord marked “W-

A” or “W”. These extension cords are rated for outdoor use, and reduce the risk

of electric shock.

PERSONAL SAFETY

Stay alert. Watch what you are doing, and use common sense when operat-

ing a power tool. Do not use a power tool while tired or under the inuence

of drugs, alcohol, or medication. A moment of inattention while operating

power tools may result in serious personal injury.

Dress properly. Do not wear loose clothing or jewelry. Contain long hair.

Keep your hair, clothing, and gloves away from moving parts. Loose

clothes, jewelry, or long hair can be caught in moving parts.

Avoid accidental starting. Be sure the Power Switch is off before plugging in.

Carrying power tools with your nger on the Power Switch, or plugging in power

tools with the Power Switch on, invites accidents.

Remove adjusting keys or wrenches before turning the power tool on. A wrench

or a key that is left attached to a rotating part of the power tool may result in per-

sonal injury.

Do not overreach. Keep proper footing and balance at all times. Proper foot-

ing and balance enables better control of the power tool in unexpected situations.

SKU 8878 For technical questions, please call 1-800-444-3353. Page 4

Use safety equipment. Always wear eye protection. Dust mask, nonskid safe-

ty shoes, hard hat, or hearing protection must be used for appropriate conditions.

TOOL USE AND CARE

Use clamps (not included) or other practical ways to secure and support the

workpiece to a stable platform. Holding the work by hand or against your body is

unstable and may lead to loss of control.

Do not force the tool. Use the correct tool for your application. The correct

tool will do the job better and safer at the rate for which it is designed.

Do not use the power tool if the Power Switch does not turn it on or off. Any tool

that cannot be controlled with the Power Switch is dangerous and must be re-

placed.

Disconnect the Power Cord Plug from the power source before making any

adjustments, changing accessories, or storing the tool. Such preventive safety

measures reduce the risk of starting the tool accidentally.

Store idle tools out of reach of children and other untrained persons. Tools are

dangerous in the hands of untrained users.

Maintain tools with care. Keep cutting tools sharp and clean. Properly main-

tained tools with a sharp cutting edge are less likely to bind and are easier to

control. Do not use a damaged tool. Tag damaged tools “Do not use” until re-

paired.

Check for misalignment or binding of moving parts, breakage of parts, and any

other condition that may affect the tool’s operation. If damaged, have the tool

serviced before using. Many accidents are caused by poorly maintained tools.

Use only accessories that are recommended by the manufacturer for your model.

Accessories that may be suitable for one tool may become hazardous when used

on another tool.

SERVICE

Tool service must be performed only by qualied repair personnel. Service or

maintenance performed by unqualied personnel could result in a risk of injury.

When servicing a tool, use only identical replacement parts. Follow instruc-

tions in the “Inspection, Maintenance, And Cleaning” section of this man-

ual. Use of unauthorized parts or failure to follow maintenance instructions may

create a risk of electric shock or injury.

SKU 8878 For technical questions, please call 1-800-444-3353. Page 5

SPECIFIC SAFETY RULES

Maintain labels and nameplates on the Stud Welder. These carry important infor-

mation. If unreadable or missing, contact Harbor Freight Tools for a replacement.

Inhalation Hazard

Welding/PlasmaCuttingProducesTOXICFUMESandGASSES.

Exposure to welding or cutting gasses 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 gasses or fumes are:

• Early onset of Parkinson’s Disease • Heart Disease

• Damage to the reproductive organs • Ulcers

• Inammation of the small intestine or stomach • Kidney damage

• Respiratory diseases such as emphysema, bronchitis or pneumonia

Safety precautions, such as using natural or forced air ventilation and

wearing an ANSI approved respirator, are ESSENTIAL to reduce the

risk of developing the above illnesses.

Always wear ANSI-approved safety impact glasses and a NIOSH-approved dust

mask or respirator under a properly shaded welding face shield along with heavy-

duty work gloves when using the Stud Welder. Using personal safety devices

reduce the risk for injury.

Maintain a safe working environment. Keep the work area well lit. Make sure

there is adequate surrounding workspace. Always keep the work area free of ob-

structions, grease, oil, trash, and other debris. Do not use a power tool in areas

near ammable chemicals, dusts, and vapors. Do not use this product in a damp

or wet location.

Always keep the electrical cord away from hot and/or moving parts on the tool.

Avoid unintentional starting. Make sure you are prepared to begin work before

plugging in the Stud Welder.

Never leave the Stud Welder unattended when it is plugged into an electrical

outlet. Turn off the tool, and unplug it from its electrical outlet before leaving the

work area.

Always unplug the Stud Welder from its electrical outlet before performing and

inspection, maintenance, or cleaning procedures.

Avoid burns. Do not touch the welded stud electrode or work surface until it

cools.

REV 03/07

SKU 8878 For technical questions, please call 1-800-444-3353. Page 6

Avoid accidental activation. Unplug the Stud Welder while inserting the stud

electrode into the Stud Welder.

Avoid electrical shock. Do not operate the Stud Welder with its protective case

removed. Do not touch grounded surfaces while operating

WARNING! This product, when used for welding and similar applications, pro-

duces chemicals known to the State of California to cause cancer and birth de-

fects (or other reproductive harm). (California Health & Safety Code § 25249.5,

et seq.)

People with pacemakers should consult their physician(s) before use. Electro-

magnetic elds in close proximity to heart pacemaker could cause pacemaker

interference or pacemaker failure.

GROUNDING

WARNING!

Improperly connecting the grounding wire can result in the risk of electric shock.

Check with a qualied electrician if you are in doubt as to whether the outlet is

properly grounded. Do not modify the power cord plug provided with the tool.

Never remove the grounding prong from the plug. Do not use the tool if the

power cord or plug is damaged. If damaged, have it repaired by a service facil-

ity before use. If the plug will not t the outlet, have a proper outlet installed by

a qualied electrician.

GROUNDED TOOLS: TOOLS WITH THREE PRONG PLUGS

Tools marked with “Grounding Required” have a three wire cord and three prong

grounding plug. The plug must be connected to a properly grounded outlet. If

the tool should electrically malfunction or break down, grounding provides a low

resistance path to carry electricity away from the user, reducing the risk of electric

shock. (See 3-Prong Plug and Outlet.)

The grounding prong in the plug is connected

through the green wire inside the cord to the

grounding system in the tool. The green wire in

the cord must be the only wire connected to the

tool’s grounding system and must never be at-

tached to an electrically “live” terminal.

(See 3-Prong Plug and Outlet.)

Your tool must be plugged into an appropriate

outlet, properly installed and grounded in accor-

dance with all codes and ordinances. The plug

10.

11.

12.

3-Prong Plug and Outlet3-Prong Plug and Outlet

SKU 8878 For technical questions, please call 1-800-444-3353. Page 7

and outlet should look like those in the following illustration.

(See 3-Prong Plug and Outlet.)

EXTENSION CORDS

Grounded tools require a three wire extension cord. Double Insulated tools can

use either a two or three wire extension cord.

As the distance from the supply outlet increases, you must use a heavier gauge

extension cord. Only use a single 25’ - 50’ 10 gauge cord or a single 25’ or less

12 gauge cord with this tool. Using extension cords with inadequately sized wire

causes a serious drop in voltage, resulting in loss of power and possible tool

damage.

The smaller the gauge number of the wire, the greater the capacity of the cord.

For example, a 10 gauge cord can carry a higher current than a 12 gauge cord.

Do not use extension cords with greater gauge numbers.

Do not use the extension cord for more than one tool.

If you are using an extension cord outdoors, make sure it is marked with the suf-

x “W-A” (“W” in Canada) to indicate it is acceptable for outdoor use.

Make sure your extension cord is properly wired and in good electrical condition.

Always replace a damaged extension cord or have it repaired by a qualied elec-

trician before using it.

Protect your extension cords from sharp objects, excessive heat, and damp or

wet areas.

Symbology

Double Insulated V~ Volts Alternating Current

Canadian Standards Association AAmperes

Underwriters Laboratories, Inc. n0xxxx/min. No Load Revolutions per Minute

(RPM)

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 possible.

SKU 8878 For technical questions, please call 1-800-444-3353. Page 8

OPERATION

Note:

Stud Electrode

(23)

Electrode Assembly (26)

Trigger (17)

FIGURE 1

Circuit Breaker

Reset (20)

For additional information regarding the parts listed in the following pages, refer

to the Assembly Diagram on page 12.

Caution: Always make sure the power cord to the Stud Welder is unplugged from its

electrical outlet prior to assembling or making any adjustments to the tool.

Note: Before trying to pull a dent out of your own vehicle, it is recommended that you

rst practice the procedure on a piece of scrap metal.

Welding the stud

On the location you are going to weld, and in a area as large as the Electrode

Assembly (26) surrounding it, clean the surface down to the metal (no paint).

The entire Electrode Assembly (26) needs to evenly contact the surface without

interference to weld properly.

Insert a Stud (32) into the hole in the Stud Electrode (23). See FIGURE 2.

Plug the Cord (16) into an outlet ca-

pable of handling a 20 amp load.

FIGURE 2

Stud (32)

Metal

Surface

FIGURE 2

Stud (32)

Metal

Surface

SKU 8878 For technical questions, please call 1-800-444-3353. Page 9

Holding the Stud Welder rmly with both hands and using a well-balanced

stance, rmly push the Stud (32) against

the metal surface until the Electrode

Assembly (26) is ush with the metal

surface. See FIGURE 3.

With the Electrode Assembly (26)

PERFECTLY SQUARE to the surface,

hold the Stud Welder very steady and

squeeze the Trigger (17) for only 1/2 to

1 second. Immediately release the Trig-

ger (17) after 1/2 to 1 seconds.

Note: It is normal for approximately 1/4” of

discoloration to show around the weld. If you hold the trigger down more than 1

second, the metal skin of the vehicle will burn.

Note: If the Stud Welder remains on too long (Approximately 6 seconds) the circuit

breaker will shut the unit down to protect it. To reset the Breaker, allow the unit to

cool down and then push the Circuit Breaker Reset (20).

Pull the Stud Welder directly back, leaving the Stud (32) in place. You will notice

the tip of the stud remains exposed.

When done with the Stud Welder, unplug the tool and store it safely.

Pulling out the Dent

Metal

Surface

Roller

Back

Handle

Center Handle

FIGURE 4 - Slide Hammer (31)

Slip the end roller of the Slide Hammer (31) over the Stud (32) and tighten it on

the exposed tip of the stud by holding the Back Handle and turning the Roller

counterclockwise. See FIGURE 4.

With one hand on the Center Handle and one on the Back Handle, apply a back-

ward hammering motion, hammering the Center Handle against the Back Handle

(away from the metal surface) until the dent has popped out. See FIGURE 4.

To disengage the Slide Hammer (31) from the Stud (32), gently tap the Center

Handle forward against the Roller until the Stud (32) is released.

Cut the Stud off and grind it down so it is ush with the metal surface.

Metal

Surface

FIGURE 3

Electrode

Assembly (26)

Metal

Surface

FIGURE 3

Electrode

Assembly (26)

REV 03/07

SKU 8878 For technical questions, please call 1-800-444-3353. Page 10

INSPECTION, MAINTENANCE, AND CLEANING

WARNING! Make sure the tool is unplugged from its electrical outlet before

performing any inspection, maintenance, or cleaning procedures.

BEFORE EACH USE, inspect the general condition of the Stud Welder. Check

for loose screws, misalignment or binding of moving parts, cracked or broken

parts, 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.

Periodically inspect the power cord for cracks. Replace if necessary.

Clean the unit using a damp cloth. Never use solvents.

Keep the Electrode Assembly (26) free of oxidation by cleaning with ne steel

wool.

If necessary, use a ne metal le to keep the electrode at and clean.

TROUBLESHOOTING

Problem Cause Solution

Stud does not Weld, weld Area

is Cold

Insufcient/no contact to

metal surface with Electrode

Assembly

No power to line cord

Stud Welder Circuit Breaker

Open

Clean metal surface for the

entire Electrode Assembly

(26) to contact fully, press

harder, and ensure Electrode

Assembly (26) contacts the

surface evenly

Check Power Source

Press Circuit Breaker Reset

Weak weld, stud does not hold “On Time” Not long enough.

Electrode or Stud dirty

Weld surface not cleaned

down to bare metal

Hold trigger longer

Clean or replace both

Clean surface to the metal

Weld is burning through metal Weld time is too long

Using incorrect Stud

Shorten weld time

Replace the Stud with the

correct size and clean the

electrode

Circuit breaker continues to trip Circuit rating not large enough

Electrical fault in Welder

Connect to 20 A dedicated

circuit

Have qualied technician

service welder

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