Chicago Electric 68888 Instructions de montage

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Owner’s Manual & Safety Instructions

Save This Manual 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.

When unpacking, make sure that the product is intact

and undamaged. If any parts are missing or broken,

please call 1-888-866-5797 as soon as possible.

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.

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

Owner’s Manual & Safety Instructions

Save This Manual 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.

When unpacking, make sure that the product is intact

and undamaged. If any parts are missing or broken,

please call 1-888-866-5797 as soon as possible.

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.

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

Owner’s Manual & Safety Instructions

Save This Manual 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.

When unpacking, make sure that the product is intact

and undamaged. If any parts are missing or broken,

please call 1-888-866-5797 as soon as possible.

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.

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

Owner’s Manual & Safety Instructions

Save This Manual 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.

When unpacking, make sure that the product is intact

and undamaged. If any parts are missing or broken,

please call 1-888-866-5797 as soon as possible.

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.

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

Owner’s Manual & Safety Instructions

Save This Manual 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.

When unpacking, make sure that the product is intact

and undamaged. If any parts are missing or broken,

please call 1-888-866-5797 as soon as possible.

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.

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

Owner’s Manual & Safety Instructions

Save This Manual 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.

When unpacking, make sure that the product is intact

and undamaged. If any parts are missing or broken,

please call 1-888-866-5797 as soon as possible.

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.

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

REV 15d

Page 2 For technical questions, please call 1-888-866-5797. Item 68888

Table of Contents

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

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

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

Basic Welding............................................. 8

Welding Tips ............................................... 9

Maintenance.............................................. 13

Parts List and Diagram.............................. 14

Warranty .................................................... 16

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 (MSDSs),

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. 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.)

10. WARNING: The cord of this product contains

lead and/or di (2-ethylhexyl) phthalate (DEHP),

chemicals 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.)

11. WARNING: This product contains di (2-ethylhexyl)

phthalate (DEHP), 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.)

SAFETY MAINTENANCEBASIC WELDING WELDING TIPSSETUP

Page 3For technical questions, please call 1-888-866-5797.Item 68888

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.

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.

SAFETYMAINTENANCE BASIC WELDINGWELDING TIPS SETUP

Page 4 For technical questions, please call 1-888-866-5797. Item 68888

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.

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.

SAFETY MAINTENANCEBASIC WELDING WELDING TIPSSETUP

Page 5For technical questions, please call 1-888-866-5797.Item 68888

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 1-888-866-5797. Item 68888

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. 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. It is advised to avoid using an extension cord if

possible. If an extension cord is used, it must be

25 feet or less with a 10 AWG or thicker size 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

Workpiece Ground Cable

Electrode Cable

Overheat Shutdown Indicator

Cooling Fan

Housing Ground Point

VAC 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 1-888-866-5797.Item 68888

SAFETYMAINTENANCE BASIC WELDINGWELDING TIPS SETUP

Specifications

Power Input 120VAC, 60Hz, 20A (A dedicated circuit is required)

Max OCV 42V

Welding Current Range 55 - 70 A, AC

Capacity Up to 1/8" thick mild steel

Duty Cycle 20% @ 70 amps

Weldable Materials Steel, Stainless Steel, Cast Iron

Electrode Type 1/16" - 5/64" diameter, E6013 or E7014

Included Accessories Handheld face shield, Chipping hammer with wire brush, five 1/16" electrodes

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.

Components and Controls

Grounding Clamp

Power Switch

Electrode Holder

Overload

Light

Current

Output Switch

Page 8 For technical questions, please call 1-888-866-5797. Item 68888

SAFETY MAINTENANCEBASIC WELDING WELDING TIPSSETUP

Operating Instructions

TO PREVENT SERIOUS INJURY AND PERMANENT EYE DAMAGE:

Wear protective gear during use; an ANSI-approved welding mask shade 10, ear protection, welding

gloves and apron, NIOSH-approved respirator, and fire resistant work clothes without pockets.

Light from the arc can cause permanent damage to the eyes and skin. Do not breathe arc fumes.

Duty Cycle (Duration of Use)

30% DUTY CYCLE

AT MIN SETTING

3 minutes welding

followed by

at least 7 minutes of rest

20% DUTY CYCLE

AT MAX SETTING

2 minutes welding

followed by

at least 8 minutes of rest

This unit has two duty cycles, one at the MIN setting and

one at the MAX setting on the Current Output Switch.

Avoid damage to the

Welder by not welding for

more than the prescribed

duty cycle time. The duty

cycle defines the number of

minutes, within a 10 minute

period, during which a

given welder can produce a particular welding current

without overheating. For example, this Welder, when set

at the MAX setting, has a 20% duty cycle and must be

allowed to rest for at least 8 minutes after every

2 minutes of continuous welding. Failure to carefully

observe duty cycle limitations can easily over-stress a

welder’s power generation system contributing to

premature welder failure.

Thermal Overload Protection - This Welder has an

internal thermal protection system to help prevent this

sort of over-stress. When the unit

overheats, it automatically shuts down

and the Overload Light turns on. The

Welder automatically returns to

service after cooling off. Rest the

Electrode Holder on an electrically

non-conductive, heat-proof surface,

such as a concrete slab, well clear of

the ground clamp while allowing the

welder to cool with the Power Switch on, so that the

internal fan will help cool the Welder. When the Welder

can be used again, use shorter welding periods and

longer rest periods to prevent needless wear.

Setting up the Weld

1. Make practice welds on pieces of scrap the same

thickness as your intended workpiece to practice

technique before welding anything of value.

Clean the weld surfaces thoroughly with a wire brush

or angle grinder; there must be no rust, paint, oil, or

other materials on the weld surfaces, only bare metal.

clamps

workpieces

Chamfer thick workpieces.

Clean surfaces

to bare metal.

2. Use clamps (not included) to hold the workpieces

in position so that you can concentrate on proper

welding technique. 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. The edges

of thicker workpieces may need to be chamfered

(or beveled) to allow proper weld penetration.

Current Output

Switch

MIN

MAX

Overload Light

Page 9For technical questions, please call 1-888-866-5797.Item 68888

SAFETYMAINTENANCE BASIC WELDINGWELDING TIPS SETUP

Welding Tips

A good way to test welding technique is to examine a weld’s appearance after it has cooled and the slag has been

removed. Then, better welding can be learned by adjusting your weld technique to remedy any problems found.

Cleaning the Weld

TO PREVENT SERIOUS INJURY:

Continue to wear ANSI-approved safety

goggles and protective wear when

cleaning a weld.

Sparks or chips may fly when cleaning.

A typical Weld before cleaning.

base metal

weld bead

slag spatter

1. A weld will be covered by slag: use a Chipping

Hammer to knock this off. Be careful not

to damage the weld or base material.

2. Then, use a Wire Brush to further

clean the weld or use an angle grinder

(sold separately) to shape the weld.

After practice welding for a few

seconds, STOP and examine

your weld using the guidelines

starting on the next page.

Welding

1. Place the Welder on a level surface that

can bear its weight near the work area.

2. Secure the Grounding Clamp to a clean,

exposed metal part of the workpiece.

3. Place the uncoated end of the electrode inside

the jaws of the Electrode Holder. Electrode

types vary for welding different metals.

4. Turn the Current Output Switch to MIN for 1/16"

electrodes and to MAX for 5/64" electrodes.

IMPORTANT: A 20A dedicated circuit is required.

5. Plug the power cord into a grounded 120V

electric socket and turn the Welder on.

WARNING! To prevent serious injury

and death: If the operator is not holding

the Electrode Holder, it must be sitting on

a nonconductive, nonflammable surface.

The Stick Welder will immediately turn on

when the Power Switch is turned on.

6. Stroke the workpiece lightly to ignite the arc.

Tips for igniting the arc:

a. Stroke the surface with the electrode.

b. Strike the surface like a match with the electrode.

c. Tap the surface with the electrode.

7. When the arc ignites, tilt the electrode

forward and hold it near the workpiece.

8. When finished welding; lift the electrode from

the workpiece and turn the Welder off.

9. Place the handle down on a nonflammable,

nonconductive surface.

10. To prevent accidents disconnect the tool

from its power supply after use. Allow the

tool to cool down, clean, then store the

tool indoors out of children’s reach.

Page 10 For technical questions, please call 1-888-866-5797. Item 68888

SAFETY MAINTENANCEBASIC WELDING WELDING TIPSSETUP

Example Weld Diagrams

Good

Weld

Current

Too Low

Arc Length

Too Short

Arc Length

Too Long

TO CORRECT: TO CORRECT: TO CORRECT:

Weld slower

TO CORRECT:

Weld faster

TO CORRECT:

Increase

distance

TO CORRECT:

Decrease

distance

CLEAN WELDS FIRST! Stick welds will have a coat of slag over them until cleaned.

Weld Speed

Too Fast

Current

Too High

Weld Speed

Too Slow

A test weld on a PIECE OF SCRAP can be

tested by using the following procedure.

WEAR ANSI-APPROVED SAFETY GOGGLES

DURING THIS PROCEDURE.

WARNING! This test WILL damage the weld it is

performed on. This test is ONLY an indicator of weld

technique and is not intended to test working welds.

1. After two scraps have been welded together and the

weld has cooled, clamp one scrap in a sturdy vise.

2. Stay clear from underneath while you strike

the opposite scrap with a heavy hammer,

preferably a dead-blow hammer.

3. A GOOD WELD will deform but not break, as shown

on top.

A POOR WELD will be brittle and snap at the

weld, as shown on bottom.

clamp

SCRAP

workpiece

GOOD WELD

bends and is not brittle

dead-blow hammer

clamp

SCRAP

workpiece

POOR WELD

snaps or cracks

dead-blow hammer

Strike Test

70 AMP

ARC WELDER

OVERLOAD

MIN

CURRENT

MAX

OFF

POWER

70 AMP

ARC WELDER

OVERLOAD

MIN

CURRENT

MAX

OFF

POWER

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