Lincoln Electric Power Supply POWER-ARC 4000 Manuel utilisateur

Marque: Lincoln Electric

Modèle: Power Supply POWER-ARC 4000

Catégorie: Système de soudage

Taper: Manuel utilisateur

OPERATOR’S MANUAL

Safety Depends on You

Lincoln arc welding and cutting

equipment is designed and built

with safety in mind. However, your

overall safety can be increased by

proper installation ... and thought-

ful operation on your part. DO

NOT INSTALL, OPERATE OR

REPAIR THIS EQUIPMENT

WITHOUT READING THIS

MANUAL AND THE SAFETY

PRECAUTIONS CONTAINED

THROUGHOUT. And, most

importantly, think before you act

and be careful.

POWER-ARC

™

4000

For Machines with Code Number 10083, 10179, 10200, 10211, 10202, 10243, 10244, 10585, 10667,

10671, 10672, 10673, and 10866

IM488-E

February, 2004

Various engine configurations are available and machine appearance will vary

accordingly.

ISO 9001

CERTIFICATE NUMBER: 30273

Designed and Manufactured Under a

Quality Program Certified by

ABS Quality Evaluations, Inc.

to ISO 9001 Requirements.

QMS

ANSI RAB

• Sales and Service through Subsidiaries and Distributors Worldwide •

Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com

• World's Leader in Welding and Cutting Products •

RETURN TO MAIN INDEX

FOR ENGINE

powered equipment.

1.a. Turn the engine off before troubleshooting and maintenance

work unless the maintenance work requires it to be running.

____________________________________________________

1.b. Operate engines in open, well-ventilated

areas or vent the engine exhaust fumes

outdoors.

____________________________________________________

1.c. Do not add the fuel near an open flame

welding arc or when the engine is running.

Stop the engine and allow it to cool before

refueling to prevent spilled fuel from vaporiz-

ing on contact with hot engine parts and

igniting. Do not spill fuel when filling tank. If

fuel is spilled, wipe it up and do not start

engine until fumes have been eliminated.

____________________________________________________

1.d. Keep all equipment safety guards, covers and devices in

position and in good repair.Keep hands, hair, clothing and

tools away from V-belts, gears, fans and all other moving

parts when starting, operating or repairing equipment.

____________________________________________________

1.e. In some cases it may be necessary to remove safety

guards to perform required maintenance. Remove

guards only when necessary and replace them when the

maintenance requiring their removal is complete.

Always use the greatest care when working near moving

parts.

___________________________________________________

1.f. Do not put your hands near the engine fan.

Do not attempt to override the governor or

idler by pushing on the throttle control rods

while the engine is running.

___________________________________________________

1.g. To prevent accidentally starting gasoline engines while

turning the engine or welding generator during maintenance

work, disconnect the spark plug wires, distributor cap or

magneto wire as appropriate.

SAFETY

ARC WELDING CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH.

KEEP CHILDREN AWAY. PACEMAKER WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING.

Read and understand the following safety highlights. For additional safety information, it is strongly recommended that you

purchase a copy of “Safety in Welding & Cutting - ANSI Standard Z49.1” from the American Welding Society, P.O. Box

351040, Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available

from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199.

BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE

PERFORMED ONLY BY QUALIFIED INDIVIDUALS.

WARNING

Mar ‘95

ELECTRIC AND

MAGNETIC FIELDS

may be dangerous

2.a. Electric current flowing through any conductor causes

localized Electric and Magnetic Fields (EMF). Welding

current creates EMF fields around welding cables and

welding machines

2.b. EMF fields may interfere with some pacemakers, and

welders having a pacemaker should consult their physician

before welding.

2.c. Exposure to EMF fields in welding may have other health

effects which are now not known.

2.d. All welders should use the following procedures in order to

minimize exposure to EMF fields from the welding circuit:

2.d.1.

Route the electrode and work cables together - Secure

them with tape when possible.

2.d.2. Never coil the electrode lead around your body.

2.d.3. Do not place your body between the electrode and

work cables. If the electrode cable is on your right

side, the work cable should also be on your right side.

2.d.4. Connect the work cable to the workpiece as close as

possible to the area being welded.

2.d.5. Do not work next to welding power source.

1.h. To avoid scalding, do not remove the

radiator pressure cap when the engine is

hot.

CALIFORNIA PROPOSITION 65 WARNINGS

Diesel engine exhaust and some of its constituents

are known to the State of California to cause can-

cer, birth defects, and other reproductive harm.

The engine exhaust from this product contains

chemicals known to the State of California to cause

cancer, birth defects, or other reproductive harm.

The

Above For Diesel Engines

The Above For Gasoline Engines

SAFETY

ARC RAYS can burn.

4.a. Use a shield with the proper filter and cover

plates to protect your eyes from sparks and

the rays of the arc when welding or observing

open arc welding. Headshield and filter lens

should conform to ANSI Z87. I standards.

4.b. Use suitable clothing made from durable flame-resistant

material to protect your skin and that of your helpers from

the arc rays.

4.c. Protect other nearby personnel with suitable, non-flammable

screening and/or warn them not to watch the arc nor expose

themselves to the arc rays or to hot spatter or metal.

ELECTRIC SHOCK can

kill.

3.a. The electrode and work (or ground) circuits

are electrically “hot” when the welder is on.

Do not touch these “hot” parts with your bare

skin or wet clothing. Wear dry, hole-free

gloves to insulate hands.

3.b. Insulate yourself from work and ground using dry insulation.

Make certain the insulation is large enough to cover your full

area of physical contact with work and ground.

In addition to the normal safety precautions, if welding

must be performed under electrically hazardous

conditions (in damp locations or while wearing wet

clothing; on metal structures such as floors, gratings or

scaffolds; when in cramped positions such as sitting,

kneeling or lying, if there is a high risk of unavoidable or

accidental contact with the workpiece or ground) use

the following equipment:

• Semiautomatic DC Constant Voltage (Wire) Welder.

• DC Manual (Stick) Welder.

• AC Welder with Reduced Voltage Control.

3.c. In semiautomatic or automatic wire welding, the electrode,

electrode reel, welding head, nozzle or semiautomatic

welding gun are also electrically “hot”.

3.d. Always be sure the work cable makes a good electrical

connection with the metal being welded. The connection

should be as close as possible to the area being welded.

3.e. Ground the work or metal to be welded to a good electrical

(earth) ground.

3.f.

Maintain the electrode holder, work clamp, welding cable and

welding machine in good, safe operating condition. Replace

damaged insulation.

3.g. Never dip the electrode in water for cooling.

3.h. Never simultaneously touch electrically “hot” parts of

electrode holders connected to two welders because voltage

between the two can be the total of the open circuit voltage

of both welders.

3.i. When working above floor level, use a safety belt to protect

yourself from a fall should you get a shock.

3.j. Also see Items 6.c. and 8.

FUMES AND GASES

can be dangerous.

5.a. Welding may produce fumes and gases

hazardous to health. Avoid breathing these

fumes and gases.When welding, keep

your head out of the fume. Use enough

ventilation and/or exhaust at the arc to keep

fumes and gases away from the breathing zone. When

welding with electrodes which require special

ventilation such as stainless or hard facing (see

instructions on container or MSDS) or on lead or

cadmium plated steel and other metals or coatings

which produce highly toxic fumes, keep exposure as

low as possible and below Threshold Limit Values (TLV)

using local exhaust or mechanical ventilation. In

confined spaces or in some circumstances, outdoors, a

respirator may be required. Additional precautions are

also required when welding on galvanized steel.

5.b.

Do not weld in locations near chlorinated hydrocarbon

vapors

coming from degreasing, cleaning or spraying operations.

The heat and rays of the arc can react with solvent vapors

form phosgene, a highly toxic gas, and other irritating prod-

ucts.

5.c. Shielding gases used for arc welding can displace air and

cause injury or death. Always use enough ventilation,

especially in confined areas, to insure breathing air is safe.

5.d. Read and understand the manufacturer’s instructions for this

equipment and the consumables to be used, including the

material safety data sheet (MSDS) and follow your

employer’s safety practices. MSDS forms are available from

your welding distributor or from the manufacturer.

5.e. Also see item 1.b.

Mar ‘95

FOR ELECTRICALLY

powered equipment.

8.a. Turn off input power using the disconnect

switch at the fuse box before working on

the equipment.

8.b. Install equipment in accordance with the U.S. National

Electrical Code, all local codes and the manufacturer’s

recommendations.

8.c. Ground the equipment in accordance with the U.S. National

Electrical Code and the manufacturer’s recommendations.

CYLINDER may explode

if damaged.

7.a. Use only compressed gas cylinders

containing the correct shielding gas for the

process used and properly operating

regulators designed for the gas and

pressure used. All hoses, fittings, etc. should be suitable for

the application and maintained in good condition.

7.b. Always keep cylinders in an upright position securely

chained to an undercarriage or fixed support.

7.c. Cylinders should be located:

• Away from areas where they may be struck or subjected to

physical damage.

• A safe distance from arc welding or cutting operations and

any other source of heat, sparks, or flame.

7.d. Never allow the electrode, electrode holder or any other

electrically “hot” parts to touch a cylinder.

7.e. Keep your head and face away from the cylinder valve outlet

when opening the cylinder valve.

7.f. Valve protection caps should always be in place and hand

tight except when the cylinder is in use or connected for

use.

7.g. Read and follow the instructions on compressed gas

cylinders, associated equipment, and CGA publication P-l,

“Precautions for Safe Handling of Compressed Gases in

Cylinders,” available from the Compressed Gas Association

1235 Jefferson Davis Highway, Arlington, VA 22202.

iii

SAFETY

iii

Mar ‘95

WELDING SPARKS can

cause fire or explosion.

6.a.

Remove fire hazards from the welding area.

If this is not possible, cover them to prevent

the welding sparks from starting a fire.

Remember that welding sparks and hot

materials from welding can easily go through small cracks

and openings to adjacent areas. Avoid welding near

hydraulic lines. Have a fire extinguisher readily available.

6.b. Where compressed gases are to be used at the job site,

special precautions should be used to prevent hazardous

situations. Refer to “Safety in Welding and Cutting” (ANSI

Standard Z49.1) and the operating information for the

equipment being used.

6.c. When not welding, make certain no part of the electrode

circuit is touching the work or ground. Accidental contact

can cause overheating and create a fire hazard.

6.d. Do not heat, cut or weld tanks, drums or containers until the

proper steps have been taken to insure that such procedures

will not cause flammable or toxic vapors from substances

inside. They can cause an explosion even

though

they have

been “cleaned”. For information, purchase “Recommended

Safe Practices for the

Preparation

for Welding and Cutting of

Containers and Piping That Have Held Hazardous

Substances”, AWS F4.1 from the American Welding Society

(see address above).

6.e. Vent hollow castings or containers before heating, cutting or

welding. They may explode.

6.f.

Sparks and spatter are thrown from the welding arc. Wear oil

free protective garments such as leather gloves, heavy shirt,

cuffless trousers, high shoes and a cap over your hair. Wear

ear plugs when welding out of position or in confined places.

Always wear safety glasses with side shields when in a

welding area.

6.g. Connect the work cable to the work as close to the welding

area as practical. Work cables connected to the building

framework or other locations away from the welding area

increase the possibility of the welding current passing

through lifting chains, crane cables or other alternate cir-

cuits. This can create fire hazards or overheat lifting chains

or cables until they fail.

6.h. Also see item 1.c.

SAFETY

Mar. ‘93

PRÉCAUTIONS DE SÛRETÉ

Pour

votre propre protection lire et observer toutes les instruc-

tions et les précautions de sûreté specifiques qui parraissent

dans ce manuel aussi bien que les précautions de sûreté

générales suivantes:

Sûreté Pour Soudage A L’Arc

1. Protegez-vous contre la secousse électrique:

a. Les circuits à l’électrode et à la piéce sont sous tension

quand la machine à souder est en marche. Eviter toujours

tout contact entre les parties sous tension et la peau nue

ou les vétements mouillés. Porter des gants secs et sans

trous pour isoler les mains.

b. Faire trés attention de bien s’isoler de la masse quand on

soude dans des endroits humides, ou sur un plancher

metallique ou des grilles metalliques, principalement dans

les positions assis ou couché pour lesquelles une

grande partie du corps peut être en contact avec la

masse.

c. Maintenir le porte-électrode, la pince de masse, le câble

de soudage et la machine à souder en bon et sûr état

defonctionnement.

d.Ne jamais plonger le porte-électrode dans l’eau pour le

refroidir.

e. Ne jamais toucher simultanément les parties sous tension

des porte-électrodes connectés à deux machines à soud-

er parce que la tension entre les deux pinces peut être le

total de la tension à vide des deux machines.

f. Si on utilise la machine à souder comme une source de

courant pour soudage semi-automatique, ces precautions

pour le porte-électrode s’applicuent aussi au pistolet de

soudage.

2. Dans le cas de travail au dessus du niveau du sol, se pro-

téger contre les chutes dans le cas ou on recoit un choc. Ne

jamais enrouler le câble-électrode autour de n’importe quelle

partie du corps.

3. Un coup d’arc peut être plus sévère qu’un coup de soliel,

donc:

a. Utiliser un bon masque avec un verre filtrant approprié

ainsi qu’un verre blanc afin de se protéger les yeux du

rayonnement de l’arc et des projections quand on soude

ou quand on regarde l’arc.

b. Porter des vêtements convenables afin de protéger la

peau de soudeur et des aides contre le rayonnement de

l‘arc.

c. Protéger l’autre personnel travaillant à proximité au

soudage à l’aide d’écrans appropriés et non-inflamma-

bles.

4. Des gouttes de laitier en fusion sont émises de l’arc de

soudage. Se protéger avec des vêtements de protection

libres de l’huile, tels que les gants en cuir, chemise épaisse,

pantalons sans revers, et chaussures montantes.

5. Toujours porter des lunettes de sécurité dans la zone de

soudage. Utiliser des lunettes avec écrans lateraux dans les

zones où l’on pique le laitier.

6. Eloigner les matériaux inflammables ou les recouvrir afin de

prévenir tout risque d’incendie dû aux étincelles.

7. Quand on ne soud

e pas, poser la pince à une endroit isolé de

la masse. Un court-circuit accidental peut provoquer un

échauffement et un risque d’incendie.

8. S’assurer que la masse est connectée le plus prés possible

de la zone de travail qu’il est pratique de le faire. Si on place

la masse sur la charpente de la construction ou d’autres

endroits éloignés de la zone de travail, on augmente le risque

de voir passer le courant de soudage par les chaines de lev-

age, câbles de grue, ou autres circuits. Cela peut provoquer

des risques d’incendie ou d’echauffement des chaines et des

câbles jusqu’à ce qu’ils se rompent.

9. Assurer une ventilation suffisante dans la zone de soudage.

Ceci est particuliérement important pour le soudage de tôles

galvanisées plombées, ou cadmiées ou tout autre métal qui

produit des fumeés toxiques.

10. Ne pas souder en présence de vapeurs de chlore provenant

d’opérations de dégraissage, nettoyage ou pistolage. La

chaleur ou les rayons de l’arc peuvent réagir avec les

vapeurs du solvant pour produire du phosgéne (gas forte-

ment toxique) ou autres produits irritants.

11. Pour obtenir de plus amples renseignements sur la sûreté,

voir le code “Code for safety in welding and cutting” CSA

Standard W 117.2-1974.

PRÉCAUTIONS DE SÛRETÉ POUR

LES MACHINES À SOUDER À

TRANSFORMATEUR ET À

REDRESSEUR

1. Relier à la terre le chassis du poste conformement au code

de l’électricité et aux recommendations du fabricant. Le dis-

positif de montage ou la piece à souder doit être branché à

une bonne mise à la terre.

2. Autant que possible, I’installation et l’entretien du poste

seront effectués par un électricien qualifié.

3. Avant de faires des travaux à l’interieur de poste, la

debrancher à l’interrupteur à la boite de fusibles.

4. Garder tous les couvercles et dispositifs de sûreté à leur

place.

Thank You

for selecting a QUALITY product by Lincoln Electric. We want you

to take pride in operating this Lincoln Electric Company product

••• as much pride as we have in bringing this product to you!

Read this Operators Manual completely before attempting to use this equipment. Save this manual and keep it

handy for quick reference. Pay particular attention to the safety instructions we have provided for your protection.

The level of seriousness to be applied to each is explained below:

WARNING

This statement appears where the information must be followed exactly to avoid serious personal injury or

loss of life.

This statement appears where the information must be followed to avoid minor personal injury or damage to

this equipment.

CAUTION

Please Examine Carton and Equipment For Damage Immediately

When this equipment is shipped, title passes to the purchaser upon receipt by the carrier. Consequently, Claims

for material damaged in shipment must be made by the purchaser against the transportation company at the

time the shipment is received.

Please record your equipment identification information below for future reference. This information can be

found on your machine nameplate.

Product _________________________________________________________________________________

Model Number ___________________________________________________________________________

Code Number or Date Code_________________________________________________________________

Serial Number____________________________________________________________________________

Date Purchased___________________________________________________________________________

Where Purchased_________________________________________________________________________

Whenever you request replacement parts or information on this equipment, always supply the information you

have recorded above. The code number is especially important when identifying the correct replacement parts.

On-Line Product Registration

- Register your machine with Lincoln Electric either via fax or over the Internet.

• For faxing: Complete the form on the back of the warranty statement included in the literature packet

accompanying this machine and fax the form per the instructions printed on it.

• For On-Line Registration: Go to our

WEB SITE at www.lincolnelectric.com. Choose “Quick Links” and then

“Product Registration”. Please complete the form and submit your registration.

Page

Safety.................................................................................................................................................i-iv

Installation .............................................................................................................................Section A

Technical Specifications .............................................................................................................A-1

Safety Precautions......................................................................................................................A-2

Location and Ventilation .............................................................................................................A-2

Pre-operation Engine Service .....................................................................................................A-3

Electrical Output Connections ....................................................................................................A-5

Operation...............................................................................................................................Section B

Safety Instructions ......................................................................................................................B-1

General Description ....................................................................................................................B-1

Recommended Applications.......................................................................................................B-2

Operational Features and Controls.............................................................................................B-2

Design Features and Advantages...............................................................................................B-2

Welding Capability......................................................................................................................B-2

Limitations .................................................................................................................................B-2

Controls and Settings .................................................................................................................B-3

Engine Operation ........................................................................................................................B-5

Welding Operation ......................................................................................................................B-9

Accessories...........................................................................................................................Section C

Maintenance..........................................................................................................................Section D

Safety Precautions ............................................................................................................................D-1

Routine and Periodic Maintenance ...................................................................................................D-1

General Assembly Exploded View ....................................................................................................D-6

Troubleshooting and Repair ................................................................................................Section E

Electrical Diagrams...............................................................................................................Section F

Parts Manual (B&S 8 HP & Honda Engines)....................................................................P233 Series

Parts Manual (B&S 9 HP Vanguard Engine)....................................................................P352 Series

MASTER TABLE OF CONTENTS FOR ALL SECTIONS

vi vi

POWER-ARC 4000

TECHNICAL SPECIFICATIONS - POWER-ARC 4000

INPUT - BRIGGS KOOL-BORE® GASOLINE ENGINE

Manufacturer Description Speed Displacement Ignition Capacities

Briggs & 1 cyl., 3700 RPM 19.4 cu. in. Manual, Fuel: 1.0 gal. (3.8 l)

Stratton Kool- 4 cycle ± 50 RPM (319 cc) Recoil

Bore

Plus air-cooled at no load start; Manual Oil: 1.4 qt. (1.3 l)

gasoline choke

8 HP @

3750 RPM

INPUT - BRIGGS VANGUARD® GASOLINE ENGINE

Briggs & 1 cyl., 3700 RPM 18.06 cu. in. Manual, Fuel: 1.6 gal. (6.0 l)

Stratton 4 cycle ± 50 RPM (296 cc) Recoil

Vanguard® air-cooled OHV at no load start; Manual Oil: 1.25 qt. (1.2 l)

Model 185432 gasoline choke

9 HP @

3750 RPM

INPUT - HONDA GASOLINE ENGINE

Honda 1 cyl., 3700 RPM 16.5 cu. in. Manual, Fuel: 1.59 gal. (6.0 l)

GX 270 VA2 4 cycle ± 50 RPM (270 cc) Recoil

air-cooled OHV at no load start; Manual Oil: 1.16 qt. (1.11 l)

gasoline choke

9 HP @

3750 RPM

RATED OUTPUT - WELDER

Duty Cycle Amps Volts at Rated Amperes

30% Duty Cycle 125 20 VAC

60% Duty Cycle 100 25 VAC

OUTPUT - WELDER AND GENERATOR

Welding Ranges Welder Open Circuit Voltage AC Auxiliary Power

70 - 125 Amps 62 VAC Max. 4000 Continuous Watts

4400 Surge Watts

PHYSICAL DIMENSIONS

Height Width Depth Weight

20.9 in. 20 in. 30 in. 160 lb.

530 mm 508 mm 762 mm 72.5 kg

A-1

INSTALLATION

POWER-ARC 4000

A-1

A-2

INSTALLATION

POWER-ARC 4000

A-2

Read this entire installation section before you

start installation.

SAFETY PRECAUTIONS

Do not attempt to use this equipment until you

have thoroughly read all the operation and main-

tenance manuals supplied with your machine.

They include important safety precautions;

detailed engine starting, operating, and mainte-

nance instructions; and parts lists.

ELECTRIC SHOCK can kill.

• Do not touch electrically live

parts or electrodes with your

skin or wet clothing.

• Insulate yourself from the

work and ground.

•Always wear dry insulating gloves.

ENGINE EXHAUST can kill.

• Use in open, well ventilated

areas or vent exhaust to the

outside.

• Do not stack anything on or

near the engine.

MOVING PARTS can injure.

• Do not operate this equip-

ment with any of its doors

open or guards off.

• Stop the engine before ser-

vicing it.

• Keep away from moving parts.

Only qualified personnel should install, use, or service

this equipment.

LOCATION AND VENTILATION

Whenever you use the POWER-ARC 4000, be sure

that clean cooling air can flow through the machine’s

gasoline engine and the generator. Avoid dusty, dirty

areas. Also, keep the machine away from heat

sources. Do not place the back end of the generator

anywhere near hot engine exhaust from another

machine. And of course, make sure that engine

exhaust is ventilated to an open, outside area.

The POWER-ARC 4000 may be used outdoors. Do

not set the machine in puddles or otherwise sub-

merge it in water. Such practices pose safety haz-

ards and cause improper operation and corrosion of

parts.

Always operate the POWER-ARC 4000 with the case

roof on and all machine components completely

assembled. This will protect you from the dangers of

moving parts, hot metal surfaces, and live electrical

devices.

STORING

1. Store the machine in a cool, dry place when it’s

not in use. Protect it from dust and dirt. Keep it

where it can’t be accidentally damaged from con-

struction activities, moving vehicles, and other

hazards.

2. If you will be storing the machine for over 30

days, you should drain the fuel to protect fuel

system and carburetor parts from gum deposits.

Empty all fuel from the tank and run the engine

until it stops from lack of fuel.

3. You can store the machine for up to 24 months if

you use Briggs & Stratton Gasoline Additive, Part

No. 5041 (available from any Authorized Briggs &

Stratton Service Center), in the fuel system. Mix

the additive with the fuel in the tank and run the

engine for a short time to circulate the additive

through the carburetor.

4. While the engine is still warm, drain the oil and

refill with fresh oil per the engine manual.

5. Remove the spark plug and pour approximately

1/2 ounce (15 ml) of engine oil into the cylinder.

Replace the spark plug and crank the engine

slowly to distribute the oil.

6. Clean any dirt and debris from the cylinder and

cylinder head fins and housing, rotating screen,

and muffler areas.

7. Store in a clean, dry area.

WARNING

A-3

INSTALLATION

POWER-ARC 4000

A-3

STACKING

POWER-ARC 4000 machines CANNOT be stacked.

TILTING

Place the machine on a secure, level surface whenev-

er you use it or store it. Any surfaces you place it on

other than the ground must be firm, non-skid, and

structurally sound.

The gasoline engine is designed to run in a level posi-

tion for best performance. It can operate at an angle,

but this should never be more than 15 degrees in any

direction. If you do operate it at a slight angle, be

sure to check the oil regularly and keep the oil level

full. Also, fuel capacity will be a little less at an angle.

LIFTING

The POWER-ARC 4000 should be lifted by two peo-

ple. (It weighs 160 lbs/72.5 kg.) Its welded tube roll

cage is designed to make lifting easy.

ANGLE OF OPERATION

Internal combustion engines are designed to run in a

level condition to achieve optimum performance. The

maximum angle of operation for the engine is 15

degrees from horizontal in any direction. Be certain

to place the machine on a firm, non-skid, structural

supporting surface. Anchor unit if necessary.

If you are operating the engine at a slight angle, be

certain to check the oil regularly and maintain a level,

full oil condition. The effective fuel capacity will also

be slightly less than the specified 1.00 gallon (3.8

liters).

PRE-OPERATION ENGINE SERVICE

Read and understand the information about the gaso-

line engine in the OPERATION and MAINTENANCE

sections of this manual and the engine owner’s man-

ual before you operate the POWER-ARC 4000.

• Keep hands away from the engine muffler or

HOT engine parts.

• Stop the engine when fueling.

• Do not smoke when fueling.

• Remove the fuel cap slowly to release pressure.

• Do not overfill the fuel tank.

• Wipe up spilled fuel and allow the fumes to clear

before starting the engine.

• Keep sparks and flame away from the fuel tank.

OIL

The Power-Arc 4000 with the Briggs and Stratton 8

HP engine produced after August 1998 and the

Power-Arc 4000 with the Honda 9 HP engine are sup-

plied with low oil shutdown protection. The Power-

Arc 4000 with the Briggs and Stratton 8 HP engine

produced before August 1998 is NOT equipped with

an "Oil Gard"® low oil shutdown protection device.

Oil must be regularly checked and added as needed.

However, the engine block is equipped to accept an

"Oil Gard"® accessory kit available from authorized

Briggs and Stratton Distributors. An installed kit will

sense low oil levels and will automatically shut down

the engine. The engine cannot be restarted until suffi-

cient oil is added.

The POWER-ARC 4000 is shipped with the engine

filled with SAE 10W-30 oil. CHECK THE OIL LEVEL

BEFORE YOU START THE ENGINE. This is an

added precaution. When full, the oil level should be

at the top of the fill plug hole. If it is not full, add

enough oil to fill it. Be sure the fill plug is tight.

Change oil after the first 5 hours of operation.

For more oil fill and service information, see the

Engine owner’s manual.

FUEL

Fill the fuel tank with clean, fresh, regular

grade lead-free gasoline. DO NOT MIX

OIL WITH THE GASOLINE.

The POWER-ARC 4000 has a fuel tank mounted on

the engine. See the engine owner’s manual for more

details about fuel.

WARNING

A-4

INSTALLATION

POWER-ARC 4000

A-4

MUFFLER DEFLECTOR

The POWER-ARC 4000, depending on model, may or

may not be shipped with an exhaust deflector. If you

received one, you can mount it on the gasoline

engine if your needs so require.

To install the deflector, do the following:

• Align the holes on the deflector plate with the holes

on the muffler.

•

Position the deflector so that the opening points either

right, left, or downward, away from the operator.

Never position the deflector upward. Moisture or

debris can enter the engine and damage it. As a

general safety practice, position the deflector to

direct exhaust gases away from the operator’s

face and eyes.

• Fasten the deflector onto the muffler with the

screws provided.

NOTE: The deflector reduces generator output

power up to 100 watts.

SPARK ARRESTER

Gasoline engine mufflers may emit sparks when the

engine is running. Some federal, state, or local laws

require spark arresters in locations where unarrested

sparks could present a fire hazard.

Standard mufflers and deflectors (like the ones

included with the POWER-ARC 4000 Briggs &

Stratton engines) do not act as spark arresters. When

local laws require it, a spark arrester must be installed

on the machine and properly maintained

An optional spark arrester kit is available for your

POWER-ARC 4000 Briggs & Stratton 8 HP Kool-Bore

engine. See the ACCESSORIES section of this man-

ual for more information.

An incorrect spark arrester may lead to damage to

the engine or reduce performance. A suitable

spark arrester for the Briggs & Stratton 8 HP Kool

Bore

engine is available as a Lincoln field-

installed option.

A spark arrester is available for your POWER-ARC

4000 Briggs & Stratton 9 HP Vanguard engine from

your local Briggs & Stratton engine dealer.

The Power-Arc 4000 with the Honda engine comes

with a spark arrester as standard equipment. Refer to

the engine owner’s manual for proper maintenance.

CAUTION

No Load

3700 RPM ±50 R.P.M.

AC CC Weld Output

125 Amps @ 18 Volts

AC CC Weld Output

100 Amps @ 25 Volts

Auxiliary Power 4000

Watts (120/240 Volts)

B&S 8 HP Carb. Certified

Kool Bore® Plus

0.36 Gallons/Hour

(1.37 Liters/Hour)

0.69 Gallons/Hour

(2.63 Liters/Hour)

0.64 Gallons/Hour

(2.41 Liters/Hour)

0.77 Gallons/Hour

(2.92 Liters/Hour)

B&S 9 HP

Vanguard®

0.33 Gallons/Hour

(1.25 Liters/Hour)

0.76 Gallons/Hour

(2.9 Liters/Hour)

0.63 Gallons/Hour

(2.4 Liters/Hour)

0.76 Gallons/Hour

(2.9 Liters/Hour)

Honda 9 HP

Carb. Certified

0.30 Gallons/Hour

(1.14 Liters/Hour)

0.58 Gallons/Hour

(2.18 Liters/Hour)

0.55 Gallons/Hour

(2.1 Liters/Hour)

0.67 Gallons/Hour

(2.54 Liters/Hour)

Power-Arc 4000 Typical Fuel Consumption

A-5

INSTALLATION

POWER-ARC 4000

A-5

ELECTRICAL OUTPUT

CONNECTIONS

See Figure A.1 for the location of the current control

dial, weld output terminals, ground stud, circuit

breakers, 240 and 120 volt receptacles.

WELDING CABLE CONNECTIONS

Cable Size and Length

Be sure to use welding cables that are large enough.

The correct size and length becomes especially

important when you are welding at a distance from

the welder.

Table A.1 lists recommended cable sizes and lengths

for rated current and duty cycle. Length refers to the

distance from the welder to the work and back to the

welder. Cable diameters are increased for long cable

lengths to reduce voltage drops.

TABLE A.1

RECOMMENDED WELDING CABLE

SIZE AND LENGTH

TOTAL COMBINED LENGTH OF ELECTRODE AND

WORK CABLES

Cable Size for

125 amp/

Cable Length 30% Duty Cycle

0-50 feet (0-15 meters) 6 AWG

50-100 feet (15-39 meters) 4 AWG

100-150 feet (30-46 meters) 3 AWG

150-200 feet (46061 meters) 2 AWG

200-250 feet (61-76 meters) 1 AWG

POWER ARC 4000

ELECTRODE SELECTION GUIDE

100

AMPS

WARNING

AMPS

125

GENERATOR

FIGURE A.1 - POWER-ARC 4000 OUTPUT CONNECTIONS

1. CURRENT CONTROL DIAL

2. WELD OUTPUT TERMINALS (2)

3. GROUND STUD

4. CIRCUIT BREAKERS (2) - 20 AMP

5. RECEPTACLE - 240 VOLT, 20 AMP

6. DUPLEX RECEPTACLE - 120 VOLT, 20

AMP

A-6

INSTALLATION

POWER-ARC 4000

A-6

Cable Installation

Install the welding cables to your POWER-ARC 4000

as follows. See Figure A.1 for the location of parts.

1. The gasoline engine must be OFF to install weld-

ing cables.

2. Remove the 1/2 - 13 flanged nuts from the output

terminals.

3. Connect the electrode holder and work cables to

the weld output terminals. You can connect

either cable to either terminal, since the POWER-

ARC 4000 provides AC weld current.

4. Tighten the flanged nuts securely.

5. Be certain that the metal piece you are welding

(the “work”) is securely connected to the work

clamp and cable.

6. Check and tighten the connections periodically.

• Loose connections will cause the output termi-

nals to overheat. The terminals may eventually

melt.

• Do not cross the welding cables at the output

terminal connection. Keep the cables isolated

and separate from one another.

Lincoln Electric offers a welding accessory kit with

the properly specified welding cables. See the

ACCESSORIES section of this manual for more infor-

mation.

MACHINE GROUNDING

Because the POWER-ARC 4000 creates

its own power from its gasoline-engine

driven generator, you do not need to

connect the machine frame to an earth

ground. However, for best protection

against electrical shock, connect a heavy gauge wire

from the ground stud located on the bottom center of

the output panel (see Figure A.1) to a suitable earth

ground such as a metal pipe driven into the ground.

Do not ground the machine to a pipe that carries

explosive or combustible material.

When the POWER-ARC 4000 is mounted

on a truck or a trailer, the machine gen-

erator ground stud MUST be securely

connected to the metal frame of the

vehicle. See Figure A.1. The ground

stud is marked with the symbol.

PLUGS AND HAND-HELD EQUIPMENT

For further protection against electric shock, any

electrical equipment connected to the generator

receptacles must use a three-blade, grounded type

plug or an Underwriter’s Laboratories (UL) approved

double insulation system with a two-blade plug.

Lincoln offers an accessory plug kit that has the right

type of plugs. See the ACCESSORIES section of this

manual for details.

Ground fault protection is needed for hand held

equipment.

Never operate this machine with damaged or defec-

tive cords. All electrical equipment must be in safe

condition.

AUXILIARY POWER RECEPTACLES

The control panel of the POWER-ARC 4000 features

two auxiliary power receptacles:

• A 20 amp, 120 volt duplex (double outlet) recepta-

cle

• A 20 amp 240 volt simplex (single outlet) recepta-

cle.

See Figure A.1.

Through these receptacles the machine can supply

up to 4,000 rated continuous watts and 4,400 surge

watts of single-phase AC power.

CAUTION

WARNING

A-7

INSTALLATION

POWER-ARC 4000

A-7

PREMISES WIRING

The POWER-ARC 4000 three-wire, grounded neutral

generator allows it to be connected to premises

wiring. However, the wiring procedure needed to

meet the National Electric Code (NEC) regulations as

well as city ordinances and can be confusing. The

connections could vary from a "commonly grounded"

to a "separately derived" system depending on

whether you want the unit to be "hard wired" or tem-

porary to the premises.

Only a licensed, certified, trained electrician

should install the machine to a premises or resi-

dential electrical system. Be certain that:

• The premises is isolated and no feed backing

into the utility system can occur. Certain state

and local laws require the premises to be isolat-

ed before the generator is linked to the premis-

es. Check your state and local requirements.

• A double pole, double throw transfer switch in

conjunction with the properly rated double

throw circuit breaker is connected between the

generator power and the utility meter.

The POWER-ARC 4000 does not have a combined

120/240 volt twist-lock receptacle and cannot be

connected to a premises as described in other

Lincoln literature.

Remember that the POWER-ARC 4000 is intended

only for backup, intermittent use power. Oil level must

be checked after every 5 hours of use. The Briggs &

Stratton engines used on the Power-Arc 4000 before

August 1998 did not include a low oil shutdown

option as standard equipment. It cannot withstand

long-term use without proper maintenance. See the

MAINTENANCE section of this manual and the

engine owner’s manual for more information.

Certain electrical devices cannot be powered by the

POWER-ARC 4000. Refer to Table A.2 for these

devices.

CIRCUIT BREAKERS

The POWER-ARC 4000 has its own 20 amp circuit

breakers for overload protection. When the machine

is operated in high temperature environments, the

breakers may tend to trip at lower loads than normal-

ly.

Never bypass the circuit breakers. Without over-

load protection, the power-arc 4000 could over-

heat and/or cause damage to the equipment being

used.

WARNING

CAUTION

A-8

INSTALLATION

POWER-ARC 4000

A-8

CAUTION

Certain Electrical devices cannot be powered by the POWER-ARC 4000. See Table A.2.

TABLE A.2

ELECTRICAL DEVICE USE WITH THE POWER-ARC 4000.

Type Common Electrical Devices Possible Concerns

Resistive Heaters, toasters, incandescent NONE

light bulbs, electric range, hot

pan, skillet, coffee maker.

Capacitive TV sets, radios, microwaves, Voltage spikes or high voltage

appliances with electrical control. regulation can cause the capaci-

tative elements to fail. Surge

protection, transient protection,

and additional loading is recom-

mended for 100% fail-safe

operation. DO NOT RUN

THESE DEVICES WITHOUT

ADDITIONAL RESISTIVE TYPE

LOADS.

Inductive Single-phase induction motors, These devices require large

drills, well pumps, grinders, small current inrush for starting. (See

refrigerators, weed and hedge Table B.3, GENERATOR POWER

trimmers APPLICATIONS, in the OPERA-

TION section of this manual for

required starting wattages.)

Some synchronous motors may

be frequency sensitive to attain

maximum output torque, but

they SHOULD BE SAFE from

any frequency induced failures.

Capacitive/Inductive Computers, high resolution TV sets, An inductive type line condition-

complicated electrical equipment. er along with transient and

surge protection is required, and

liabilities still exist. DO NOT

USE THESE DEVICES WITH A

POWER-ARC 4000.

The Lincoln Electric Company is not responsible for any damage to electrical components improperly connect-

ed to the POWER-ARC 4000.

B-1

OPERATION

B-1

OPERATING INSTRUCTIONS

Read and understand this entire section before oper-

ating your POWER-ARC 4000.

SAFETY INSTRUCTIONS

Do not attempt to use this equipment until you

have thoroughly read all the operation and main-

tenance manuals supplied with your machine.

They include important safety precautions;

detailed engine starting, operating, and mainte-

nance instructions; and parts lists.

ELECTRIC SHOCK can kill.

• Do not touch electrically live parts

or electrodes with your skin or wet

clothing.

• Insulate yourself from the work and ground.

• Always wear dry insulating gloves.

FUMES AND GASES can be

dangerous.

• Keep your head out of fumes.

• Use ventilation or exhaust to

remove fumes from breathing zone.

WELDING SPARKS can cause

fire or explosion.

• Keep flammable material away.

• Do not weld on containers that have

held combustibles.

ARC RAYS can burn.

• Wear eye, ear, and body protection.

ENGINE EXHAUST can kill.

• Use in open, well ventilated areas

or vent exhaust to the outside.

• Do not stack anything on or near

the engine.

MOVING PARTS can injure.

• Do not operate this equipment with

any of its doors open or guards off.

• Stop the engine before servicing it.

• Keep away from moving parts.

Only qualified personnel should install, use, or ser-

vice this equipment.

GENERAL DESCRIPTION

The POWER-ARC 4000 is a generator/welder

designed for home use and other non-commercial

applications. As a generator it can supply up to 4,000

continuous watts (or 4,400 surge watts) of 120/240

volt, single-phase AC power. As a welder it provides

125 amps of AC constant current for welding with AC

stick electrodes. A single dial provides continuous

adjustment of welding output. The machine is light-

weight, portable, and can be lifted by two people.

POWER-ARC 4000

WARNING

B-2

OPERATION

B-2

The Lincoln warranty covers the Power Arc 4000

(excluding the engine) for 2 years from the date of

purchase. The engine is covered by the engine manu-

facturer’s warranty policy.

RECOMMENDED APPLICATIONS

GENERATOR

The POWER-ARC 4000 gives AC generator output for

medium use, non-commercial demands. For more

details on operating the generator, see GENERATOR

OPERATION in the OPERATION section of this manu-

al.

WELDER

The POWER-ARC 4000 provides excellent constant

current AC welding output for stick (SMAW) welding.

For more details on using the machine as a welder,

see WELDING OPERATION in the OPERATION sec-

tion of this manual.

OPERATIONAL FEATURES AND

CONTROLS

The POWER-ARC 4000 was designed for simplicity.

Therefore, it has very few operating controls. A single

dial on the control panel lets you select either genera-

tor or welding use. For welding, the same dial selects

continuous current output over the machine’s 70 to

125 amp range.

The gasoline engine controls include a recoil starter,

choke, and rotary stop switch. See ENGINE OPERA-

TION in the OPERATION section of this manual and

the engine owner’s manual for details about starting,

running, stopping, and breaking in the gasoline

engine.

DESIGN FEATURES AND

ADVANTAGES

• Stick welding (SMAW) process capability with out-

put range from 70 - 125 amps.

• Single-dial current output selection.

• Work and Electrode welding cable mounting termi-

nals.

• Separate ground stud for safe connection of case

to earth ground. Single 20 amp, 240 volt generator

receptacle.

• Duplex 20 amp, 120 volt generator receptacle.

• Integrated generator output overload protection

through two 20 amp circuit breakers.

• Welded-tube, full roll cage frame protects engine

and generator/welder.

• Lightweight, portable design.

• Rubber mounting isolates engine and generator

from frame to prevent machine “walking” during

use.

• Low noise engine muffler for quieter operation. (A

Super Lo-Tone

muffler is available for the Briggs &

Stratton 8 HP Kool Bore engine.)

• Easy-starting, No Maintenance, Electronic ignition.

• Low oil level engine shutdown protection is stan-

dard equipment on machines produced after

August 1998. On earlier engines an optional Oil

Gard® kit is available from Briggs & Stratton.

WELDING CAPABILITY

The POWER-ARC 4000 is rated 125 amps, 20 volts at

30% duty cycle on a ten-minute basis. This means

that you can load the welder to 125 amps for three

minutes out of every ten-minute period. The machine

is also capable of higher duty cycles at lower output

currents. You can load the welder to 100 amps for six

minutes out of ten for a 60% duty cycle.

The current is continuously variable from 70 to 125

amps AC. The POWER-ARC 4000 can weld with all

3/32 and most 1/8 inch diameter Lincoln AC elec-

trodes.

LIMITATIONS

• The POWER-ARC 4000 is not recommended for

any processes besides those that are normally per-

formed using stick welding (SMAW) procedures.

• The POWER-ARC 4000 is not recommended for

pipe thawing.

• During welding, generator power is limited to 100

watts, and output voltages can drop from 120 to 80

volts and 240 to 160 volts. Therefore, DO NOT

OPERATE ANY SENSITIVE ELECTRICAL EQUIP-

MENT WHILE YOU ARE WELDING.

POWER-ARC 4000

B-3

OPERATION

B-3

CONTROLS AND SETTINGS

All generator/welder controls are located on the

Output Control Panel. Gasoline engine controls are

mounted on the engine. See Figures B.1 and B.2 and

the explanations that follow.

GENERATOR/WELDER CONTROLS

See Figure B.1 for the location of the following fea-

tures:

1. CURRENT CONTROL DIAL: Adjusts continuous

current output. The amperages on the dial corre-

spond to the average amperages needed for spe-

cific Lincoln welder rods.

2. ELECTRODE SELECTION GUIDE: Provides rec-

ommended electrode type, size, and welder out-

put setting based on the thickness of the work.

3. WELD OUTPUT TERMINAL (TO ELECTRODE

HOLDER) WITH 1/2 - 13 FLANGE NUT: Provides

the connection point for either the electrode hold-

er or the work cable. (Because the POWER-ARC

4000 is an AC output machine, either output ter-

minal can be used for either cable.)

4. WELD OUTPUT TERMINAL (TO WORK) WITH 1/2

- 13 FLANGE NUT: Provides the connection

point for either the electrode holder or the work

cable. (Because the POWER-ARC 4000 is an AC

output machine, either output terminal can be

used for either cable.)

POWER-ARC 4000

POWER ARC 4000

ELECTRODE SELECTION GUIDE

100

AMPS

WARNING

AMPS

125

GENERATOR

FIGURE B.1 – OUTPUT PANEL CONTROLS

1. CURRENT CONTROL DIAL

2. ELECTRODE SELECTION GUIDE

3. WELD OUTPUT TERMINAL (TO ELECTRODE HOLDER) WITH 1/2 - 13 FLANGE NUT

4. WELD OUTPUT TERMINAL (TO WORK) WITH 1/2 - 13 FLANGE NUT

5. GROUND STUD

6. 20 AMP CIRCUIT BREAKERS (2)

7. 20 AMP, 240 VOLT RECEPTACLE

8. 20 AMP, 120 VOLT DUPLEX RECEPTACLE

B-4

OPERATION

B-4

5. GROUND STUD: Provides a connection point for

connecting the machine case to earth ground for

the safest grounding procedure.

6. 20 AMP CIRCUIT BREAKERS (2): Provide sepa-

rate overload current protection for the 120 volt

and 240 volt receptacles.

7. 20 AMP, 240 VOLT RECEPTACLE: Connection

point for supplying 240 volt power to operate one

electrical device.

8. 20 AMP, 120 VOLT DUPLEX RECEPTACLE:

Connection point for supplying 120 volt power to

operate one or two electrical devices.

GASOLINE ENGINE CONTROLS

Refer to your engine manual for the location of the

following features:

1. FUEL SHUTOFF VALVE: Stops the flow of gaso-

line from the fuel tank to the carburetor. Should

be closed whenever you are finished using the

POWER-ARC 4000. Must be opened before you

start the engine.

2. FUEL TANK AND CAP: See TECHNICAL SPECI-

FICATIONS for capacity.

NOTE: If you use any other alternate fuel tank or

supply, be sure to use a recommended in-

line fuel filter.

3. MUFFLER: Reduces engine noise output. Briggs

& Stratton muffler does not serve as a spark

arrester. Honda muffler does. See SPARK

ARRESTER in the INSTALLATION section of this

manual.

4. ROTARY STOP SWITCH: Stops the engine by

grounding the ignition circuit.

5. AIR CLEANER: Filters intake air to the carburetor.

See ENGINE MAINTENANCE in the MAINTE-

NANCE section of the engine owner’s manual for

details about the specific type of air cleaner to

use.

6. CHOKE: Provides a richer air/fuel mix-

ture for cold engine starting condi-

tions. See the topic ENGINE OPERA-

TION, below, for details on setting the

choke.

7. RECOIL STARTER: Manual, rope-type starter.

The handle position allows easy starting from

either ground level or pickup-truck level.

8. OIL DRAIN PLUG: Permits convenient draining of

engine oil during maintenance. Both sides of the

engine are equipped with an oil drain plug.

9. OIL FILL PLUG: Permits convenient filling of

engine oil during maintenance. Both sides of the

engine are equipped with an oil fill plug.

POWER-ARC 4000

B-5

OPERATION

B-5

ENGINE OPERATION

DO NOT RUN THE ENGINE AT EXCESSIVE

SPEEDS. The maximum allowable high idle speed

for the POWER-ARC 4000 is 3750 RPM, no load.

Do NOT adjust the governor screw on the engine.

Severe personal injury and damage to the

machine can result if it is operated at speeds

above the maximum rated speed.

Read and understand all safety instructions included

in the engine manufacturer’s Operating and

Maintenance Instructions manual that is shipped

with the POWER-ARC 4000.

BEFORE STARTING THE ENGINE

CHECK AND FILL THE ENGINE OIL LEVEL:

1. Place the machine on a level

surface.

2. Open the oil fill plug.

3. Fill (if necessary) until oil flows out the top of the

fill plug hole.

4. Replace the fill plug and tighten securely.

CHECK AND FILL THE ENGINE FUEL TANK:

1. Remove the fuel tank cap.

2. Fill the tank to allow approximately

1/4 inch (5 mm) of tank space for fuel

expansion. DO NOT FILL THE TANK

TO THE POINT OF OVERFLOW.

3. Replace the fuel tank cap and tighten securely.

NOTE: The engine will operate satisfactorily on any

gasoline meant for automotive use. A mini-

mum of 87 octane is recommended. DO NOT

MIX OIL WITH THE GASOLINE.

Use clean, fresh, lead-free gasoline. Leaded gasoline

may be used if lead-free is not available. However,

lead-free gasoline leaves fewer combustion deposits

and gives longer valve life. Purchase gasoline in

quantities that will be used within 30 days, to assure

freshness.

NOTE: We DO NOT recommend using gasoline that

contains alcohol, such as gasohol. However,

if gasoline with alcohol is used, it MUST NOT

contain more than 10% Ethanol and MUST

be removed from the engine during storage.

DO NOT use gasoline containing Methanol.

STARTING THE ENGINE

NOTE: Remove all loads connected to the AC power

receptacles before starting the gasoline

engine. Turn the Rotary Stop Switch to the

“ON” position.

FOR A “COLD” ENGINE:

1. Open the fuel shutoff valve.

2. Place the choke lever in the “CHOKE”

position.

3. Pull slightly on the recoil starter handle until resis-

tance is felt.

POWER-ARC 4000

WARNING

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Lincoln Electric Power Supply POWER-ARC 4000 Manuel utilisateur

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