Chicago Electric 68887 Mode d’emploi

Page 2 For technical questions, please call 1-800-444-3353. SKU 68887

Table of Contents

Safety ......................................................... 2

Specifications ............................................. 7

Setup .......................................................... 7

Basic Welding............................................ 12

Welding Tips .............................................. 18

Maintenance.............................................. 22

Parts Lists and Diagrams .......................... 26

Warranty .................................................... 28

WARNING SYMBOLS AND DEFINITIONS

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.

Indicates a hazardous situation which, if not avoided,

will result in death or serious injury.

Indicates a hazardous situation which, if not avoided,

could result in death or serious injury.

Indicates a hazardous situation which, if not avoided,

could result in minor or moderate injury.

Addresses practices not related to personal injury.

IMPORTANT SAFETY INFORMATION

Read all safety warnings and instructions.

Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.

Save all warnings and instructions for future reference.

General Safety

PROTECT yourself and others. Read and understand this information.

1. Before use, read and understand

manufacturer′s instructions,

Material Safety Data Sheets (MSDS′s),

employer′s safety practices, and ANSI Z49.1.

2. Keep out of reach of children.

Keep children and bystanders away while operating.

3. Place the welder on a stable location before use.

If it falls while plugged in, severe injury,

electric shock, or fire may result.

4. Do not overreach.

Keep proper footing and balance at all times.

5. Stay alert, watch what you are doing and use

common sense when operating a welder.

Do not use a welder while you are tired or under

the influence of drugs, alcohol or medication.

A moment of inattention while operating welders

may result in serious personal injury.

6. Avoid unintentional starting. Make sure you are

prepared to begin work before turning on the Welder.

7. Never leave the Welder unattended while

energized. Turn power off if you have to leave.

8. 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.

9. This product, when used for welding and similar

applications, contains or produces a chemical

known to the State of California to cause cancer

and birth defects (or other reproductive harm).

(California Health & Safety Code § 25249.5, et seq.)

10. Handling the cord on this product will expose

you to lead, a chemical known to the State of

California to cause cancer, and birth defects or

other reproductive harm.

Wash hands after handling.

(California Health & Safety Code § 25249.5, et seq.)

SAFETY MAINTENANCEBASIC WELDING WELDING TIPSSETUP

Page 3For technical questions, please call 1-800-444-3353.SKU 68887

Fume and Gas Safety

FUMES AND GASES can be hazardous to your health.

1. 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 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

2. Do not use near degreasing or

painting operations.

3. Keep head out of fumes.

Do not breathe exhaust fumes.

4. Use enough ventilation, exhaust at arc, or

both, to keep fumes and gases from breathing

zone and general area. If engineering controls

are not feasible, use an approved respirator.

5. Work in a confined area only if it

is well-ventilated, or while wearing

an air-supplied respirator.

6. Have a recognized specialist in

Industrial Hygiene or Environmental Services

check the operation and air quality

and make recommendations

for the specific welding situation.

Follow OSHA guidelines for

Permissible Exposure Limits (PEL’s) and

the American Conference of Governmental

Industrial Hygienists recommendations for

Threshold Limit Values (TLV’s) for fumes and gases.

Arc Ray Safety

ARC RAYS can injure eyes and burn skin.

1. Wear ANSI-approved welding eye protection

featuring at least a number 10 shade lens rating.

2. Wear leather leggings, fire resistant shoes

or boots during use. Do not wear pants with

cuffs, shirts with open pockets, or any clothing

that can catch and hold molten metal or sparks.

3. Keep clothing free of grease, oil,

solvents, or any flammable substances.

Wear dry, insulating gloves and protective clothing.

4. 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.

5. When welding/cutting overhead or in confined

spaces, wear flame resistant ear plugs or

ear muffs to keep sparks out of ears.

SAFETYMAINTENANCE BASIC WELDINGWELDING TIPS SETUP

Page 4 For technical questions, please call 1-800-444-3353. SKU 68887

Electrical Safety

ELECTRIC SHOCK can KILL.

1. Turn off, disconnect power, and

discharge electrode to ground before setting

down torch/electrode holder and before service.

2. Do not touch energized electrical parts.

Wear dry, insulating gloves. Do not touch electrode

holder, electrode, welding torch, or welding wire with

bare hand. Do not wear wet or damaged gloves.

3. Connect to grounded, GFCI-protected

power supply only.

4. Do not use near water or damp objects.

5. 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.

6. Do not expose welders to rain or wet conditions.

Water entering a welder will increase

the risk of electric shock.

7. Do not abuse the cord. Never use the cord

for carrying, pulling or unplugging the welder.

Keep cord away from heat, oil, sharp edges

or moving parts. Damaged or entangled

cords increase the risk of electric shock.

8. Do not use outdoors.

9. Insulate yourself from the workpiece and ground.

Use nonflammable, dry insulating material if possible,

or use dry rubber mats, dry wood or plywood, or

other dry insulating material large enough to cover

your full area of contact with the work or ground.

10. Use care not to touch the welding tip to

grounded material whenever the unit is

plugged in. Electric shock, fire, or burns may

happen if appropriate precautions are not taken.

Fire Safety

ARC AND HOT SLAG can cause fire.

1. Clear away or protect flammable objects.

Remove or make safe all combustible materials for a

radius of 35 feet (10 meters) around the work area.

Use a fire resistant material to cover or block all open

doorways, windows, cracks, and other openings.

2. Keep ABC-type fire extinguisher near

work area and know how to use it.

3. Maintain a safe working environment.

Keep the work area well lit.

Make sure there is adequate surrounding workspace.

Keep the work area free of obstructions,

grease, oil, trash, and other debris.

4. Do not operate welders in atmospheres

containing dangerously reactive or

flammable liquids, gases, vapors, or dust.

Provide adequate ventilation in work areas

to prevent accumulation of such substances.

Welders create sparks which may ignite flammable

substances or make reactive fumes toxic.

5. 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.

6. Do not weld or cut on materials having

a combustible coating or combustible

internal structure, as in walls or ceilings, without

an approved method for eliminating the hazard.

7. Do not dispose of hot slag in containers

holding combustible materials.

8. After 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.

9. Do not apply heat to a container that has held

an unknown substance or a combustible

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, welding, or cutting.

SAFETY MAINTENANCEBASIC WELDING WELDING TIPSSETUP

Page 5For technical questions, please call 1-800-444-3353.SKU 68887

Welder use and care

1. Do not use the welder if the switch does not turn

it on and off. Any welder that cannot be controlled

with the switch is dangerous and must be repaired.

2. Disconnect the plug from the power

source before making any adjustments,

changing accessories, or storing welders.

Such preventive safety measures reduce the

risk of starting the welder accidentally.

3. Prevent unintentional starting.

Ensure the switch is in the off-position before

connecting to power source or moving

the welder. Carrying or energizing welders

that have the switch on invites accidents.

4. Store idle welders out of the reach of children and

do not allow persons unfamiliar with the welder or

these instructions to operate the welder. Welders

are dangerous in the hands of untrained users.

5. Use the welder and accessories in accordance

with these instructions, taking into account the

working conditions and the work to be performed.

Use of the welder for operations different from those

intended could result in a hazardous situation.

Maintenance

1. Maintain welders. Check for misalignment or

binding of moving parts, breakage of parts

and any other condition that may affect the

welder’s operation. If damaged, have the

welder repaired before use. Many accidents

are caused by poorly maintained welders.

2. Have your welder serviced by a qualified

repair person using only identical

replacement parts. This will ensure that

the safety of the welder is maintained.

3. Maintain labels and nameplates on the Welder.

These carry important information.

If unreadable or missing, contact

Harbor Freight Tools for a replacement.

4. Unplug before maintenance. Unplug the Welder

from its electrical outlet before any inspection,

maintenance, or cleaning procedures.

SAVE THESE INSTRUCTIONS.

SAFETYMAINTENANCE BASIC WELDINGWELDING TIPS SETUP

Page 6 For technical questions, please call 1-800-444-3353. SKU 68887

Grounding

TO PREVENT ELECTRIC SHOCK AND DEATH FROM INCORRECT GROUNDING WIRE

CONNECTION:

Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded.

Have a plug installed by a certified electrician. Do not use the Welder if the power cord or plug is

damaged. If damaged, have it repaired by a service facility before use. If the plug will not fit the

outlet, have a proper outlet installed by a qualified electrician.

Grounded Welders

1. The grounding prong in the plug is connected

through the green wire inside the cord to the

grounding system in the Welder. The green wire

in the cord must be the only wire connected to

the Welder’s grounding system and must never

be attached to an electrically “live” terminal.

2. The Welder must be plugged into an appropriate

outlet, properly installed and grounded in

accordance with all codes and ordinances.

Extension Cords

1. If an extension cord is used, it must have

the following wire size: up to 30 feet, use

10 AWG size wire; 30 to 50 feet, use 8 AWG

wire; Over 50 feet, use 6 AWG wire.

2. As the distance from the supply outlet increases,

you must use a heavier gauge extension cord.

Using extension cords with inadequately sized

wire causes a serious drop in voltage, resulting

in loss of power and possible welder damage.

3. The smaller the gauge number of the wire,

the greater the capacity of the cord. For

example, a 14 gauge cord can carry a

higher current than a 16 gauge cord.

4. When using more than one extension cord to

make up the total length, make sure each cord

contains at least the minimum wire size required.

5. If you are using one extension cord for more than

one welder, add the nameplate amperes and use the

sum to determine the required minimum cord size.

6. If you are using an extension cord outdoors, make

sure it is marked with the suffix “W-A” (“W” in

Canada) to indicate it is acceptable for outdoor use.

7. Make sure the extension cord is properly wired

and in good electrical condition. Always replace

a damaged extension cord or have it repaired

by a qualified electrician before using it.

8. Protect the extension cords from sharp objects,

excessive heat, and damp or wet areas.

Symbology

Wire Feed (Speed)

Workpiece Ground Cable

Gun Cable

Overheat Shutdown Indicator

Cooling Fan

Housing Ground Point

V~ Volts Alternating Current

AAmperes

OCV Open Circuit Voltage

KVA Kilovolt Amperes

(Volts / 1000 * Amperes)

IPM Inches Per Minute

AWG American Wire Gauge

SAFETY MAINTENANCEBASIC WELDING WELDING TIPSSETUP

Page 7For technical questions, please call 1-800-444-3353.SKU 68887

Specifications

Electrical Rating 120V~ / 20A

Welding Output 60 ~ 120 A, AC

Capacity 18 gauge (0.048″) to 3/16″ (0.19″) mild steel only

Not for welding aluminum or stainless steel

Duty Cycle 20% @ 90A

(See explanation on page 14)

Open Circuit Voltage 27

KVA 2.38

Welder Tips / Wire Size Installed tip will accept .030″ to .035″ FLUX CORE wire

Wire Spool Capacity 4″ diameter / 2 lb. spool

Setup

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.

TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION:

Turn the Power Switch off and unplug the welder before assembly.

Cover Assembly

1. Slide the Handle into the slot on

the Cover from the back.

2. The notch on the front of the Handle should drop

into the slot in the Cover. Both ends of the Handle

should lay flush against the top of the Cover.

3. Secure with Screw at front of unit.

Handle

notch drops

into slot on

Cover here

Screw

Cover

SAFETYMAINTENANCE BASIC WELDINGWELDING TIPS SETUP

Page 8 For technical questions, please call 1-800-444-3353. SKU 68887

1. Turn the Welder to OFF and unplug

it before proceeding.

2. Press in the pin at the top center of

the control panel and open the cover.

3. Remove the Knob, Spring and the Top Plate.

If replacing a Spool, remove the old Spool

and all remaining wire from the liners.

4. Place the new flux core Wire Spool

over the Spool Spindle.

To prevent wire feed problems, set the Spool

so that it will unwind counterclockwise .

5. Replace the Top Plate (turned as shown in

illustration), the Spring and the Knob.

ON MIN

OFF MAX

WIRE FEED SPEED

GUN

GROUND

120V~

60Hz

20A

90 AMP FLUX WIRE WELDER

IT EM 68887

Wire .030″-.035″ Flux-core

Capacity XX Ga. – X/X″ Steel Plate

Cables Electrode – X′

Ground Clamp – X′

Wire

Spool

Cover

Wire Spool

Spring

Top Plate

Knob

Spindle

.030″

wire must

unwind this

direction

Wire Spool Installation

SAFETY MAINTENANCEBASIC WELDING WELDING TIPSSETUP

Page 9For technical questions, please call 1-800-444-3353.SKU 68887

6. Turn the Feed Tensioner counterclockwise to

loosen it enough to pull it up, releasing tension.

Swing the Feed Swing Arm out. (Note: Do

not loosen the Feed Tensioner too

much, or it will come apart.)

7. Loosen and remove the Feed Knob. Compare

the wire diameter marked on the Wire Spool with

the stamped number on the top of the Feed Roller.

The Roller’s groove size must be compatible with

the wire diameter -

.8mm rollers also work with .030″ wire &

.9mm rollers also work with .035″ wire.

Flip the Feed Roller as needed and confirm that the

number facing up is the same as the wire diameter

on the Spool.

Replace and secure the Feed Knob.

IMPORTANT:

Securely hold onto the end of the welding wire and

keep tension on it during the following steps.

If this is not done, the welding wire will unravel

and create a tangled “bird’s nest”, wasting wire.

8. Cut off all bent and crimped wire.

Make sure that the cut end has no burrs

or sharp edges; cut again if needed.

9. Keep tension on the wire and guide at least

12 inches of wire into the Wire Liners.

10. Swing the Feed Swing Arm closed, and swing

the Feed Tensioner across the tip of the Arm, to

latch it. Make sure the Welding Wire is resting in

the top groove of the Feed Roller, then turn the

Feed Tensioner clockwise a couple of turns.

After the wire is held by the Feed

Tensioner, you may release it.

11. Pull the Nozzle to remove it.

12. Using the third oval hole on the Multi-wrench, turn

the Contact Tip counterclockwise and remove.

13. Lay the Gun Cable out in a straight line so that the

wire moves through it easily. Leave the cover open,

so that the feed mechanism can be observed.

Feed Swing

Arm

Feed

Tensioner

.030″

Feed

Roller

Feed

Knob

.030″

Wire

Spool

welding

wire

HOLD WIRE

SECURELY

Wire

Liner

leader

wire liner

Feed Swing

Arm

Feed

Tensioner

.030″

Gun

Nozzle

Contact

Tip

SAFETYMAINTENANCE BASIC WELDINGWELDING TIPS SETUP

Page 10 For technical questions, please call 1-800-444-3353. SKU 68887

WARNING

The following steps require applying power to the welder

with the cover open.

To prevent serious injury from fire or electric shock:

1. Do not touch anything, especially not the Ground Clamp,

with the Gun or welding wire or an arc will be ignited.

2. Do not touch internal welder components

while it is plugged in.

14. Do not touch the Gun’s Trigger.

Plug the Power Cord into its electrical

outlet and turn the welder to ON.

15. Point the Gun away from all objects and press the

Trigger until the wire feeds out of the gun two inches.

The Wire Liner may come out with the welding

wire, this is normal, just push the Wire Liner

back into the Gun.

If the wire does not feed properly and the

Spool is stationary, turn the welder to OFF,

unplug it, and slightly tighten the Feed

Tensioner clockwise before retrying.

ON MIN

OFF MAX

WIRE FEED SPEED

GUN

GROUND

120V~

60Hz

20A

90 AMP FLUX WIRE WELDER

IT EM 68887

Wire .030″-.035″ Flux-core

Capacity XX Ga. – X/X″ Steel Plate

Cables Electrode – X′

Ground Clamp – X′

Welding

Wire

Gun

2″

SAFETY MAINTENANCEBASIC WELDING WELDING TIPSSETUP

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