Miller Electric 3545 User manual

Brand: Miller Electric

Model: 3545

Category: Welding System

Type: User manual

This manual is also suitable for

OM-226 857B 2010−04

Processes

Description

MIG (GMAW) Welding

Wire Feeder Spool Gun

Spool Guns 3035-20

And 3545-20

File: Wire Feeder

Hobart Welders manufactures a full line

of welders and welding related equipment.

For information on other quality Hobart products, contact your local Hobart

distributor to receive the latest full line catalog or individual specification sheets.

To locate your nearest distributor or service agency call 1-877-Hobart1 or

visit our website at www.HobartWelders.com.

For Technical Help call 1-800-332-3281.

Thank you and congratulations on choosing Hobart. Now you can get the

job done and get it done right. We know you don’t have time to do it any

other way.

This Owner’s Manual is designed to help you get the most out of your

Hobart products. Please take time to read the Safety precautions. They

will help you protect yourself against potential hazards on the worksite.

We’ve made installation and operation quick

and easy. With Hobart you can count on years

of reliable service with proper maintenance.

And if for some reason the unit needs repair,

there’s a Troubleshooting section that will help

you figure out what the problem is. The parts

list will then help you to decide the exact part

you may need to fix the problem. Warranty and

service information for your particular model

are also provided.

Hobart is registered to the

ISO 9001 Quality System

Standard.

Working as hard as you

do − every power source

from Hobart is backed by

the best warranty in the

business.

From Hobart to You

Hob_Thank 2009−09

HobartWelders.com

Protect Your Investment!

TABLE OF CONTENTS

SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1. Symbol Usage 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-2. Arc Welding Hazards 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-3. Additional Symbols For Installation, Operation, And Maintenance 3. . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-4. California Proposition 65 Warnings 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-5. Principal Safety Standards 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-6. EMF Information 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION 5. . . . . . . . . . . . . . . . . . . . . . . . . .

2-1. Symboles utilisés 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2. Dangers relatifs au soudage à l’arc 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance 7. . . . .

2-4. Proposition californienne 65 Avertissements 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-5. Principales normes de sécurité 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-6. Informations relatives aux CEM 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 3 − INSTALLATION 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-1. Specifications For Spool Gun 3035-20 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-2. Specifications For Spool Gun 3545-20 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-3. Components Supplied With Spool Gun Conversion Kit 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-4. Installing Optional Spool Gun Switch In Welding Power Source 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-5. Connecting Spool Gun To Welding Power Source 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-6. Installing Wire Spool And Threading Welding Wire 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-7. Removing Existing Barrel And Installing Contact Adapter 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 4 − OPERATION 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1. Controls 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 5 − MAINTENANCE & TROUBLESHOOTING 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1. Routine Maintenance 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-2. Changing Drive Rolls 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-3. Changing Liner 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-4. Troubleshooting 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-5. GMAW (MIG) Aluminum Welding Hints 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 6 − ELECTRICAL DIAGRAMS 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 7 − PARTS LIST 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

WARRANTY

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OM-226 857 Page 1

SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING

som _2010−03

Protect yourself and others from injury — read and follow these precautions.

1-1. Symbol Usage

DANGER! − Indicates a hazardous situation which, if

not avoided, will result in death or serious injury. The

possible hazards are shown in the adjoining symbols

or explained in the text.

Indicates a hazardous situation which, if not avoided,

could result in death or serious injury. The possible

hazards are shown in the adjoining symbols or ex-

plained in the text.

NOTICE − Indicates statements not related to personal injury.

. Indicates special instructions.

This group of symbols means Warning! Watch Out! ELECTRIC

SHOCK, MOVING PARTS, and HOT PARTS hazards. Consult sym-

bols and related instructions below for necessary actions to avoid the

hazards.

1-2. Arc Welding Hazards

The symbols shown below are used throughout this manual

to call attention to and identify possible hazards. When you

see the symbol, watch out, and follow the related instructions

to avoid the hazard. The safety information given below is

only a summary of the more complete safety information

found in the Safety Standards listed in Section 1-5. Read and

follow all Safety Standards.

Only qualified persons should install, operate, maintain, and

repair this unit.

During operation, keep everybody, especially children, away.

ELECTRIC SHOCK can kill.

Touching live electrical parts can cause fatal shocks

or severe burns. The electrode and work circuit is

electrically live whenever the output is on. The input

power circuit and machine internal circuits are also

live when power is on. In semiautomatic or automatic

wire welding, the wire, wire reel, drive roll housing,

and all metal parts touching the welding wire are

electrically live. Incorrectly installed or improperly

grounded equipment is a hazard.

D Do not touch live electrical parts.

D Wear dry, hole-free insulating gloves and body protection.

D Insulate yourself from work and ground using dry insulating mats

or covers big enough to prevent any physical contact with the work

or ground.

D Do not use AC output in damp areas, if movement is confined, or if

there is a danger of falling.

D Use AC output ONLY if required for the welding process.

D If AC output is required, use remote output control if present on

unit.

D Additional safety precautions are required when any of the follow-

ing electrically hazardous conditions are present: 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; or when there is a high risk of unavoid-

able or accidental contact with the workpiece or ground. For these

conditions, use the following equipment in order presented: 1) a

semiautomatic DC constant voltage (wire) welder, 2) a DC manual

(stick) welder, or 3) an AC welder with reduced open-circuit volt-

age. In most situations, use of a DC, constant voltage wire welder

is recommended. And, do not work alone!

D Disconnect input power or stop engine before installing or

servicing this equipment. Lockout/tagout input power according to

OSHA 29 CFR 1910.147 (see Safety Standards).

D Properly install and ground this equipment according to its

Owner’s Manual and national, state, and local codes.

D Always verify the supply ground − check and be sure that input

power cord ground wire is properly connected to ground terminal in

disconnect box or that cord plug is connected to a properly

grounded receptacle outlet.

D When making input connections, attach proper grounding conduc-

tor first − double-check connections.

D Keep cords dry, free of oil and grease, and protected from hot metal

and sparks.

D Frequently inspect input power cord for damage or bare wiring −

replace cord immediately if damaged − bare wiring can kill.

D Turn off all equipment when not in use.

D Do not use worn, damaged, undersized, or poorly spliced cables.

D Do not drape cables over your body.

D If earth grounding of the workpiece is required, ground it directly

with a separate cable.

D Do not touch electrode if you are in contact with the work, ground,

or another electrode from a different machine.

D Do not touch electrode holders connected to two welding ma-

chines at the same time since double open-circuit voltage will be

present.

D Use only well-maintained equipment. Repair or replace damaged

parts at once. Maintain unit according to manual.

D Wear a safety harness if working above floor level.

D Keep all panels and covers securely in place.

D Clamp work cable with good metal-to-metal contact to workpiece

or worktable as near the weld as practical.

D Insulate work clamp when not connected to workpiece to prevent

contact with any metal object.

D Do not connect more than one electrode or work cable to any

single weld output terminal.

SIGNIFICANT DC VOLTAGE exists in inverter weld-

ing power sources AFTER removal of inputpower.

D Turn Off inverter, disconnect input power, and discharge input

capacitors according to instructions in Maintenance Section

before touching any parts.

HOT PARTS can burn.

D Do not touch hot parts bare handed.

D Allow cooling period before working on equip-

ment.

D To handle hot parts, use proper tools and/or

wear heavy, insulated welding gloves and

clothing to prevent burns.

OM-226 857 Page 2

Welding produces fumes and gases. Breathing

these fumes and gases can be hazardous to your

health.

FUMES AND GASES can be hazardous.

D Keep your head out of the fumes. Do not breathe the fumes.

D If inside, ventilate the area and/or use local forced ventilation at the

arc to remove welding fumes and gases.

D If ventilation is poor, wear an approved air-supplied respirator.

D Read and understand the Material Safety Data Sheets (MSDSs)

and the manufacturer’s instructions for metals, consumables,

coatings, cleaners, and degreasers.

D Work in a confined space only if it is well ventilated, or while

wearing an air-supplied respirator. Always have a trained watch-

person nearby. Welding fumes and gases can displace air and

lower the oxygen level causing injury or death. Be sure the breath-

ing air is safe.

D Do not weld in locations near degreasing, cleaning, or spraying op-

erations. The heat and rays of the arc can react with vapors to form

highly toxic and irritating gases.

D Do not weld on coated metals, such as galvanized, lead, or

cadmium plated steel, unless the coating is removed from the weld

area, the area is well ventilated, and while wearing an air-supplied

respirator. The coatings and any metals containing these elements

can give off toxic fumes if welded.

Arc rays from the welding process produce intense

visible and invisible (ultraviolet and infrared) rays

that can burn eyes and skin. Sparks fly off from the

weld.

D Wear an approved welding helmet fitted with a proper shade of

filter lenses to protect your face and eyes from arc rays and

sparks when welding or watching (see ANSI Z49.1 and Z87.1

listed in Safety Standards).

D Wear approved safety glasses with side shields under your

helmet.

D Use protective screens or barriers to protect others from flash,

glare and sparks; warn others not to watch the arc.

D Wear protective clothing made from durable, flame-resistant

material (leather, heavy cotton, or wool) and foot protection.

ARC RAYS can burn eyes and skin.

Welding on closed containers, such as tanks,

drums, or pipes, can cause them to blow up. Sparks

can fly off from the welding arc. The flying sparks, hot

workpiece, and hot equipment can cause fires and

burns. Accidental contact of electrode to metal objects can cause

sparks, explosion, overheating, or fire. Check and be sure the area is

safe before doing any welding.

WELDING can cause fire or explosion.

D Remove all flammables within 35 ft (10.7 m) of the welding arc. If

this is not possible, tightly cover them with approved covers.

D Do not weld where flying sparks can strike flammable material.

D Protect yourself and others from flying sparks and hot metal.

D Be alert that welding sparks and hot materials from welding can

easily go through small cracks and openings to adjacent areas.

D Watch for fire, and keep a fire extinguisher nearby.

D Be aware that welding on a ceiling, floor, bulkhead, or partition can

cause fire on the hidden side.

D Do not weld on closed containers such as tanks, drums, or pipes,

unless they are properly prepared according to AWS F4.1 (see

Safety Standards).

D Do not weld where the atmosphere may contain flammable dust,

gas, or liquid vapors (such as gasoline).

D Connect work cable to the work as close to the welding area as

practical to prevent welding current from traveling long, possibly

unknown paths and causing electric shock, sparks, and fire

hazards.

D Do not use welder to thaw frozen pipes.

D Remove stick electrode from holder or cut off welding wire at

contact tip when not in use.

D Wear oil-free protective garments such as leather gloves, heavy

shirt, cuffless trousers, high shoes, and a cap.

D Remove any combustibles, such as a butane lighter or matches,

from your person before doing any welding.

D After completion of work, inspect area to ensure it is free of sparks,

glowing embers, and flames.

D Use only correct fuses or circuit breakers. Do not oversize or by-

pass them.

D Follow requirements in OSHA 1910.252 (a) (2) (iv) and NFPA 51B

for hot work and have a fire watcher and extinguisher nearby.

FLYING METAL or DIRT can injure eyes.

D Welding, chipping, wire brushing, and grinding

cause sparks and flying metal. As welds cool,

they can throw off slag.

D Wear approved safety glasses with side

shields even under your welding helmet.

BUILDUP OF GAS can injure or kill.

D Shut off shielding gas supply when not in use.

D Always ventilate confined spaces or use

approved air-supplied respirator.

ELECTRIC AND MAGNETIC FIELDS (EMF

)

can affect ImplantedMedical Devices.

D Wearers of Pacemakers and other Implanted

Medical Devices should keep away.

D Implanted Medical Device wearers should consult their doctor

and the device manufacturer before going near arc welding, spot

welding, gouging, plasma arc cutting, or induction heating

operations.

NOISE can damage hearing.

Noise from some processes or equipment can

damage hearing.

D Wear approved ear protection if noise level is

high.

Shielding gas cylinders contain gas under high

pressure. If damaged, a cylinder can explode. Since

gas cylinders are normally part of the welding

process, be sure to treat them carefully.

CYLINDERS can explode if damaged.

D Protect compressed gas cylinders from excessive heat, mechani-

cal shocks, physical damage, slag, open flames, sparks, and arcs.

D Install cylinders in an upright position by securing to a stationary

support or cylinder rack to prevent falling or tipping.

D Keep cylinders away from any welding or other electrical circuits.

D Never drape a welding torch over a gas cylinder.

D Never allow a welding electrode to touch any cylinder.

D Never weld on a pressurized cylinder − explosion will result.

D Use only correct shielding gas cylinders, regulators, hoses, and fit-

tings designed for the specific application; maintain them and

associated parts in good condition.

D Turn face away from valve outlet when opening cylinder valve.

D Keep protective cap in place over valve except when cylinder is in

use or connected for use.

D Use the right equipment, correct procedures, and sufficient num-

ber of persons to lift and move cylinders.

D Read and follow instructions on compressed gas cylinders,

associated equipment, and Compressed Gas Association (CGA)

publication P-1 listed in Safety Standards.

OM-226 857 Page 3

1-3. Additional Symbols For Installation, Operation, And Maintenance

FIRE OR EXPLOSION hazard.

D Do not install or place unit on, over, or near

combustible surfaces.

D Do not install unit near flammables.

D Do not overload building wiring − be sure power supply system is

properly sized, rated, and protected to handle this unit.

FALLING EQUIPMENT can injure.

D Use lifting eye to lift unit only, NOT running

gear, gas cylinders, or any other accessories.

D Use equipment of adequate capacity to lift and

support unit.

D If using lift forks to move unit, be sure forks are long enough to

extend beyond opposite side of unit.

D Keep equipment (cables and cords) away from moving vehicles

when working from an aerial location.

D Follow the guidelines in the Applications Manual for the Revised

NIOSH Lifting Equation (Publication No. 94−110) when manu-

ally lifting heavy parts or equipment.

OVERUSE can cause OVERHEATING

D Allow cooling period; follow rated duty cycle.

D Reduce current or reduce duty cycle before

starting to weld again.

D Do not block or filter airflow to unit.

FLYING SPARKS can injure.

D Wear a face shield to protect eyes and face.

D Shape tungsten electrode only on grinder with

proper guards in a safe location wearing proper

face, hand, and body protection.

D Sparks can cause fires — keep flammables away.

STATIC (ESD) can damage PC boards.

D Put on grounded wrist strap BEFORE handling

boards or parts.

D Use proper static-proof bags and boxes to

store, move, or ship PC boards.

MOVING PARTS can injure.

D Keep away from moving parts.

D Keep away from pinch points such as drive

rolls.

WELDING WIRE can injure.

D Do not press gun trigger until instructed to do

so.

D Do not point gun toward any part of the body,

other people, or any metal when threading

welding wire.

MOVING PARTS can injure.

D Keep away from moving parts such as fans.

D Keep all doors, panels, covers, and guards

closed and securely in place.

D Have only qualified persons remove doors, panels, covers, or

guards for maintenance and troubleshooting as necessary.

D Reinstall doors, panels, covers, or guards when maintenance is

finished and before reconnecting input power.

READ INSTRUCTIONS.

D Read and follow all labels and the Owner’s

Manual carefully before installing, operating, or

servicing unit. Read the safety information at

the beginning of the manual and in each

section.

D Use only genuine replacement parts from the manufacturer.

D Perform maintenance and service according to the Owner’s

Manuals, industry standards, and national, state, and local

codes.

H.F. RADIATION can cause interference.

D High-frequency (H.F.) can interfere with radio

navigation, safety services, computers, and

communications equipment.

D Have only qualified persons familiar with

electronic equipment perform this installation.

D The user is responsible for having a qualified electrician prompt-

ly correct any interference problem resulting from the installa-

tion.

D If notified by the FCC about interference, stop using the

equipment at once.

D Have the installation regularly checked and maintained.

D Keep high-frequency source doors and panels tightly shut, keep

spark gaps at correct setting, and use grounding and shielding to

minimize the possibility of interference.

ARC WELDING can cause interference.

D Electromagnetic energy can interfere with

sensitive electronic equipment such as

computers and computer-driven equipment

such as robots.

D Be sure all equipment in the welding area is

electromagnetically compatible.

D To reduce possible interference, keep weld cables as short as

possible, close together, and down low, such as on the floor.

D Locate welding operation 100 meters from any sensitive elec-

tronic equipment.

D Be sure this welding machine is installed and grounded

according to this manual.

D If interference still occurs, the user must take extra measures

such as moving the welding machine, using shielded cables,

using line filters, or shielding the work area.

OM-226 857 Page 4

1-4. California Proposition 65 Warnings

Welding or cutting equipment produces fumes or gases

which contain chemicals known to the State of California to

cause birth defects and, in some cases, cancer. (California

Health & Safety Code Section 25249.5 et seq.)

Battery posts, terminals and related accessories contain lead

and lead compounds, chemicals known to the State of

California to cause cancer and birth defects or other

reproductive harm. Wash hands after handling.

This product contains chemicals, including lead, known to

the state of California to cause cancer, birth defects, or other

reproductive harm. Wash hands after use.

For Gasoline Engines:

Engine exhaust contains chemicals known to the State of

California to cause cancer, birth defects, or other reproduc-

tive harm.

For Diesel Engines:

Diesel engine exhaust and some of its constituents are

known to the State of California to cause cancer, birth

defects, and other reproductive harm.

1-5. Principal Safety Standards

Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1,

from Global Engineering Documents (phone: 1-877-413-5184, website:

www.global.ihs.com).

Safe Practices for the Preparation of Containers and Piping for Welding

and Cutting, American Welding Society Standard AWS F4.1, from Glob-

al Engineering Documents (phone: 1-877-413-5184, website:

www.global.ihs.com).

National Electrical Code, NFPA Standard 70, from National Fire Protec-

tion Association, Quincy, MA 02269 (phone: 1-800-344-3555, website:

www.nfpa.org and www. sparky.org).

Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1,

from Compressed Gas Association, 4221 Walney Road, 5th Floor,

Chantilly, VA 20151 (phone: 703-788-2700, website:www.cganet.com).

Safety in Welding, Cutting, and Allied Processes, CSA Standard

W117.2, from Canadian Standards Association, Standards Sales, 5060

Spectrum Way, Suite 100, Ontario, Canada L4W 5NS (phone:

800-463-6727, website: www.csa-international.org).

Safe Practice For Occupational And Educational Eye And Face Protec-

tion, ANSI Standard Z87.1, from American National Standards Institute,

25 West 43rd Street, New York, NY 10036 (phone: 212-642-4900, web-

site: www.ansi.org).

Standard for Fire Prevention During Welding, Cutting, and Other Hot

Work, NFPA Standard 51B, from National Fire Protection Association,

Quincy, MA 02269 (phone: 1-800-344-3555, website: www.nfpa.org.

OSHA, Occupational Safety and Health Standards for General Indus-

try, Title 29, Code of Federal Regulations (CFR), Part 1910, Subpart Q,

and Part 1926, Subpart J, from U.S. Government Printing Office, Super-

intendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250-7954

(phone: 1-866-512-1800) (there are 10 OSHA Regional Offices—

phone for Region 5, Chicago, is 312-353-2220, website:

www.osha.gov).

U.S. Consumer Product Safety Commission (CPSC), 4330 East West

Highway, Bethesda, MD 20814 (phone: 301-504-7923, website:

www.cpsc.gov).

Applications Manual for the Revised NIOSH Lifting Equation, The Na-

tional Institute for Occupational Safety and Health (NIOSH), 1600

Clifton Rd, Atlanta, GA 30333 (phone: 1-800-232-4636, website:

www.cdc.gov/NIOSH).

1-6. EMF Information

Electric current flowing through any conductor causes localized electric

and magnetic fields (EMF). Welding current creates an EMF field

around the welding circuit and welding equipment. EMF fields may inter-

fere with some medical implants, e.g. pacemakers. Protective

measures for persons wearing medical implants have to be taken. For

example, access restrictions for passers−by or individual risk assess-

ment for welders. All welders should use the following procedures in

order to minimize exposure to EMF fields from the welding circuit:

1. Keep cables close together by twisting or taping them, or using a

cable cover.

2. Do not place your body between welding cables. Arrange cables

to one side and away from the operator.

3. Do not coil or drape cables around your body.

4. Keep head and trunk as far away from the equipment in the

welding circuit as possible.

5. Connect work clamp to workpiece as close to the weld as

possible.

6. Do not work next to, sit or lean on the welding power source.

7. Do not weld whilst carrying the welding power source or wire

feeder.

About Implanted Medical Devices:

Implanted Medical Device wearers should consult their doctor and the

device manufacturer before performing or going near arc welding, spot

welding, gouging, plasma arc cutting, or induction heating operations.

If cleared by your doctor, then following the above procedures is recom-

mended.

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OM-226 857 Page 9

2-5. Principales normes de sécurité

Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1,

de Global Engineering Documents (téléphone : 1-877-413-5184, site

Internet : www.global.ihs.com).

Safe Practices for the Preparation of Containers and Piping for Welding

and Cutting, American Welding Society Standard AWS F4.1, de Global

Engineering Documents (téléphone : 1-877-413-5184, site internet :

www.global.ihs.com).

National Electrical Code, NFPA Standard 70, de National Fire Protec-

tion Association, Quincy, MA 02269 (téléphone : 800-344-3555, site

Internet : www.nfpa.org et www.sparky.org).

Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1,

de Compressed Gas Association, 4221 Walney Road, 5th Floor, Chan-

tilly, VA 20151 (téléphone : 703-788-2700, site Internet :

www.cganet.com).

Safety in Welding, Cutting, and Allied Processes, CSA Standard

W117.2, de Canadian Standards Association, Standards Sales, 5060

Spectrum Way, Suite 100, Ontario, Canada L4W 5NS (téléphone :

800-463-6727, site internet : www.csa-international.org).

Safe Practice For Occupational And Educational Eye And Face Protec-

tion, ANSI Standard Z87.1, de American National Standards Institute,

25 West 43rd Street, New York, NY 10036 (téléphone : 212-642-4900,

site Internet : www.ansi.org).

Standard for Fire Prevention During Welding, Cutting, and Other Hot

Work, NFPA Standard 51B, de National Fire Protection Association,

P.O. Box 9101, Quincy, MA 02269-9101 (téléphone : 617-770-3000,

site Internet : www.nfpa.org).

OSHA, Occupational Safety and Health Standards for General

Industry, Title 29, Code of Federal Regulations (CFR), Part 1910,

Subpart Q, and Part 1926, Subpart J, de U.S. Government Printing

Office, Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA

15250-7954 (téléphone : 1-866-512-1800) (il y a 10 bureaux

régionaux−le téléphone de la région 5, Chicago, est 312-353-2220, site

Internet : www.osha.gov).

U.S. Consumer Product Safety Commission (CPSC), 4330 East West

Highway, Bethesda, MD 20814 (téléphone : 301-504-7923, site inter-

net : www.cpsc.gov).

Applications Manual for the Revised NIOSH Lifting Equation, The

National Institute for Occupational Safety and Health (NIOSH), 1600

Clifton Rd, Atlanta, GA 30333 (télé[hone : 1-800-232-4636, site internet:

www.cdc.gov/NIOSH).

2-6. Informations relatives aux CEM

Le courant électrique qui traverse tout conducteur génère des champs

électromagnétiques (CEM) à certains endroits. Le courant de soudage

crée un CEM autour du circuit et du matériel de soudage. Les CEM

peuvent créer des interférences avec certains implants médicaux

comme des stimulateurs cardiaques. Des mesures de protection pour

les porteurs d’implants médicaux doivent être prises: par exemple, des

restrictions d’accès pour les passants ou une évaluation individuelle

des risques pour les soudeurs. Tous les soudeurs doivent appliquer les

procédures suivantes pour minimiser l’exposition aux CEM provenant

du circuit de soudage:

1. Rassembler les câbles en les torsadant ou en les attachant avec

du ruban adhésif ou avec une housse.

2. Ne pas se tenir au milieu des câbles de soudage. Disposer les

câbles d’un côté et à distance de l’opérateur.

3. Ne pas courber et ne pas entourer les câbles autour de votre

corps.

4. Maintenir la tête et le torse aussi loin que possible du matériel du

circuit de soudage.

5. Connecter la pince sur la pièce aussi près que possible de la

soudure.

6. Ne pas travailler à proximité d’une source de soudage, ni

s’asseoir ou se pencher dessus.

7. Ne pas souder tout en portant la source de soudage ou le

dévidoir.

En ce qui concerne les implants médicaux :

Les porteurs d’implants doivent d’abord consulter leur médecin avant

de s’approcher des opérations de soudage à l’arc, de soudage par

points, de gougeage, du coupage plasma ou de chauffage par induc-

tion. Si le médecin approuve, il est recommandé de suivre les

procédures précédentes.

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OM-226 857 Page 11

SECTION 3 − INSTALLATION

3-1. Specifications For Spool Gun 3035-20

Wire Diameter Range

Approximate

Wire Feed

Range

Cooling

Method

Maximum Spool

Size

Weld Circuit

Rating

Overall

Dimensions

Weight

.030 Thru .035 in.

(0.8 Thru 0.9 mm)

Aluminum Wire

.023 Thru 035 in.

(0.6 Thru 0.9 mm)

Hard Or Cored Wire

115 To 715 ipm

(4.1 To 20.4

mpm)

Air Cooled

4 in. (102 mm)

Diameter

100 Volts, 150

Amperes, 60%

Duty Cycle

Using Argon

Shielding Gas

Length:

11-1/2 in. (291 mm)

Width:

2-1/4 in. (57 mm)

Height:

8 in. (203 mm)

9.1 lb (4.1 kg)

Gun With Cable

3-2. Specifications For Spool Gun 3545-20

Wire Diameter Range

Approximate

Wire Feed

Range

Cooling

Method

Maximum Spool

Size

Weld Circuit

Rating

Overall

Dimensions

Weight

.030 Thru .047 in.

(0.8 Thru 1.2 mm)

Aluminum Wire

.030 Thru .047 in.

(0.8 Thru 1.2 mm)

Hard Or Cored Wire

200 To 1200 ipm

(5.1 To 30.5

mpm)

Air Cooled

4 in. (102 mm)

Diameter

100 Volts, 200

Amperes, 60%

Duty Cycle

Using Argon

Shielding Gas

Length:

11-1/2 in. (291 mm)

Width:

2-1/4 in. (57 mm)

Height:

8 in. (203 mm)

10 lb (4.5 kg)

Gun With Cable

Attention: Installing a spool gun on the IronMan 210 or IronMan 250 requires installing a Spool Gun Conversion kit

consisting of a toggle switch assembly and gas diverter valve (see Section 3-3).

Installing a spool gun on the IronMan 250 (Eff w/Serial No. LA135884) requires this kit consisting of a toggle

switch assembly and gas diverter valve.

Installing a spool gun on the IronMan 250 prior to Serial No. LA135884 requires ordering an

SGA 100 control.

The SGA 100 or 100C spool gun adapter control is needed for installation on other MIG or engine driven

welding power sources.

3-3. Components Supplied With Spool Gun Conversion Kit

Ref. 801 890-A / Ref. 801 890-A

Gas Diverter Valve Spool Gun Toggle Switch Assembly

OM-226 857 Page 12

3-4. Installing Optional Spool Gun Switch In Welding Power Source

802 936-A

Tools Needed:

1/4 in.

9/16 in.

! Turn off and disconnect in-

put power.

1 Welding Power Source Center

Baffle

2 Switch Location

3 Switch Mounting Plate

Remove 2 screws securing switch

mounting plate to center baffle. Pull

switch mounting plate to pull wiring

harness through center baffle hole.

4 Plastic Plug

Remove and discard plastic plug

from center hole in switch mounting

plate panel.

5 Nylon Cable Tie

Cut and discard nylon cable tie.

6 Jumper Plug

7 Wiring Harness Switch Plug

Remove jumper plug from wiring

harness switch plug. Retain jumper

plug by placing looped lead over

unit wiring harness.

8 Switch Plug

Connect switch plug to wiring har-

ness switch plug.

9 Jam Nut

Remove top jam nut from switch

(switch is equipped with two nuts, a

jam nut and a backing nut).

Insert switch shaft through switch

mounting plate. Switch should be

positioned so lead with resistor is

facing down.

Secure switch to plate with jam nut.

Tighten jam nut enough to keep

switch from rotating.

Push wiring harness back through

hole, and reinstall switch mounting

plate to center baffle.

Operation:

Place switch in On position for

spool gun operation. Place switch

in Off position for wire feeder/MIG

(GMAW) gun operation.

When spool gun switch is in On

position, spool gun wire feed speed

is controlled by welding power

source Wire Speed control.

OM-226 857 Page 13

3-5. Connecting Spool Gun To Welding Power Source

Ref. 802 582-A

Tools Needed:

! Turn off and disconnect input

power.

Disconnect and remove MIG (GMAW)

welding gun, if applicable.

1 Front Panel Opening

2 Spool Gun Weld Cable

Route weld cable through front panel open-

ing.

3 Positive (+) Output Terminal

Connect spool gun weld cable to positive

(+) output terminal.

4 Work Clamp Lead

Work clamp lead should be connected to

negative (−) output terminal.

5 Existing Gas Hose

6 Spool Gun Gas Hose

7 Gas Diverter Valve

To install diverter valve, cut existing gas

hose above barbed fitting at wire drive

housing.

Install supplied hose clamp onto end of

hose at wire drive housing, and insert either

of the two output barbed ends of diverter

valve into hose. Secure with hose clamp.

Install another supplied hose clamp onto

end of hose from gas supply, and insert in-

put barbed end of diverter valve into hose.

Secure with hose clamp.

Slide hose clamp down gas hose from gun,

and cut barbed fitting off hose. Route gas

hose through front panel opening, and

insert remaining output barbed end of

diverter valve into hose. Secure with hose

clamp.

8 Trigger Control Plug

Insert plug into receptacle, and tighten

threaded collar.

Close welding power source door.

3/4 in.

OM-226 857 Page 14

3-6. Installing Wire Spool And Threading Welding Wire

Ref. 801 891-A

Tools Needed:

1 Thumb Screw

2 Spool Cover

Remove thumb screw and spool

cover.

3 Hub Tension Nut

4 Wire Spool

Install spool so wire feeds from top.

Turn hub tension nut just so a slight

drag is felt on the wire spool.

5 Push Roll/Lower Drive Roll

6 Drive Roll Pressure

Adjustment Opening

7 Drive Roll Release Lever

(Red)

8 Wire Inlet Guide

9 Contact Tip

10 Nozzle

Remove nozzle and contact tip. Push

and hold red lever. Thread wire through

inlet guide, past push roll/drive roll, and

out end of gun 2 inches (50 mm).

Release red lever.

Turn On welding

power source power.

Install contact tip and nozzle. Reinstall

spool cover and thumb screw.

Wood

Cut off wire.

Press gun trigger to feed wire to check drive roll

pressure. Turn screw enough to prevent slipping.

. Screw rotation clockwise decreases

drive roll pressure and counterclockwise

rotation increases pressure.

OM-226 857 Page 15

3-7. Removing Existing Barrel And Installing Contact Adapter

802 379-A

1 Base Nut Location

Remove base nut from handle.

2 Handle Section

Remove handle section from gun.

3 Drive Roll Assemblies

Remove drive roll assemblies.

4 Nut

Remove nut from barrel.

5 Barrel

Remove barrel from gun.

Disconnect gas hose from gas

nipple.

6 Antirotation Pin

7 Contact Adapter

Remove antirotation pin from

contact adapter.

Install contact adapter into gun, and

secure with nut.

Reinstall drive roll assemblies.

Reinstall handle section onto gun.

Reinstall base nut onto handle.

Tools Needed:

12 mm

OM-226 857 Page 16

SECTION 4 − OPERATION

4-1. Controls

sb5.1* 6/92 − S-0621-C / 801 889-A

. Spool Gun On/Off switch in

Millermatic 185 Hobart

IronMan 210 or IronMan 250

must be in On position for spool

gun operation (see Field Kit

207 642 instructions).

1 Shielding Gas Cylinder

For shielding gas connections, see

welding power source Owner’s

Manual.

2 Valve

Open valve on cylinder just before

welding.

3 Trigger

Press trigger to energize welding

power source contactor, start

shielding gas flow, and begin wire

feed.

Wire feed speed is controlled by

welding power source Wire Speed

control (see appropriate welding

power source Owner’s Manual).

Close valve on cylinder when

finished welding.

SECTION 5 − MAINTENANCE & TROUBLESHOOTING

5-1. Routine Maintenance

! Disconnect power

before maintaining.

. Maintain more often

during severe conditions.

n = Check Z = Change ~ = Clean l = Replace

* To be done by Factory Authorized Service Agent

Reference

Every

Months

l Unreadable Labels ~ Weld Terminals l Damaged Gas Hose nl Weld Cables

nl Cords nl Gun Cables

Every

Months

~ Drive Rolls ~ Inside Unit

OM-226 857 Page 17

5-2. Changing Drive Rolls

801 893-A

Tools Needed:

! Turn off and disconnect

input power.

1 Drive Roll Cover

Remove cover.

Changing Push Roll:

To remove push roll:

2 Push Roll Screw

3 Washer

4 Push Roll

Remove screw and washer, and lift

out drive roll.

To install drive roll:

Slide drive roll onto shaft and se-

cure with washer and screw.

Changing Lower Drive Roll:

To remove drive roll:

5 Lower Drive Roll Screw

6 Washer

7 Lower Drive Roll

8 Drive Roll Key

9 Drive Roll Shaft

Remove screw and washer, and lift

out drive roll. Note: drive roll key will

come out with drive roll.

To install drive roll:

Place drive roll key in slot in drive

roll shaft.

Line slot in drive roll up with drive

roll key, and slide drive roll onto

shaft.

Secure drive roll with washer and

screw.

Reinstall gun case, if applicable.

Reinstall drive roll cover.

It may be necessary to remove

drive roll side of gun case to

change lower drive roll.

OM-226 857 Page 18

5-3. Changing Liner

Ref. 801 891-A

Tools Needed:

! Turn off and disconnect

input power.

1 Nozzle

2 Contact Tip

3 Liner

Remove and replace liner.

Reinstall parts as shown.

5-4. Troubleshooting

Trouble Remedy

Gun tube assembly loose. Tighten nut at base of gun tube assembly.

No weld output; gun/feeder does not

work.

Place Power switch on welding power source in the On position (see welding power source Owner’s

Manual).

Erratic weld output. Tighten and clean all connections.

Pressing gun/feeder trigger does not

energize welding power source; welding

wire is not energized; shielding gas does

not flow.

Secure plug from gun/feeder trigger cord into 4-socket receptacle on welding power source (see Section

3-5, field kit instructions F207 643, or appropriate welding power source Owner’s Manual).

Wire feeds, shielding gas flows, but

welding wire is not energized.

Secure control cable leads in welding power source (see field kit instructions F207 643 or appropriate

welding power source Owner’s Manual).

See Troubleshooting section in welding power source Owner’s Manual.

Wire feeds erratically. Check and correct drive roll pressure (see Section 3-6).

Clean or replace drive roll; clean or replace liner (see Sections 5-2 and 5-3).

OM-226 857 Page 19

5-5. GMAW (MIG) Aluminum Welding Hints

Here are several hints to help you be more successful with your new aluminum feed system.

MIG welding aluminum requires different techniques than MIG welding mild steel.

A. Before You Start Welding

S Material thickness that can be welded with MIG process or aluminum are 14 ga. [0.074 in. (1.9 mm)] or heavier.

(How heavy depends on the output capacity of the welder being used.) To MIG weld aluminum thinner than 14 ga.

either specialized pulsed MIG or AC TIG welding equipment may be necessary.

S The removal of lubricants from the aluminum base material may be necessary. Consult with your local welding

distributor for their recommendation on aluminum cleaners.

S Oxide removal should be done after degreasing. This should be done with a stainless steel wire brush. This can be

done with a hand wire brush or with a cup wire brush. If a power wire brush is used, keep the RPM’s and pressures

low to reduce smearing the surface of the material, which could entrap oxides and impurities under the surface.

Always use a wire brush that is used only on aluminum to keep from contaminating the base material.

S Contact you local welding distributor or aluminum filler metal representative for recommendations on wire alloys

that fit your application. Know the alloy of your base aluminum and what conditions the finished part will be

subjected to. The two most readily available aluminum filler wires are ER4043 and ER5356.

B. Welding Techniques

S Make sure the welding power source is set up to weld DCEP (DC Electrode Positive).

S For MIG welding aluminum you need to use a 10 to 15 degree push travel angle (tip and nozzle pointing in the

direction of travel). See Figure 5-1.

10°-15°

Side View Of Gun Tip Angle

10°-15°

Direction Of Welding

Forehand (Push)

Technique

Backhand (Drag)

Technique

Figure 5-1. Gun Tip Angle

S Pulling or using a drag angle will produce porous, dirty welds due to a lack of gas coverage.

S Spray transfer is the desired mode of metal transfer for welding aluminum. The spray transfer is a very smooth

transfer of molten metal droplets from the end of the electrode to the molten pool. The droplets crossing the arc are

smaller in diameter than the electrode. There is no short-circuiting in spray transfer. With spray transfer, the

deposition rate and efficiency is relatively high. The arc is very smooth, stable, and stiff and the weld bead has a

nice appearance and a good wash into the sides. In the spray transfer, a large amount of heat is involved which

creates a large pool with good penetration that can be difficult to control and cannot be used on materials thinner

than 14 ga. This transfer will produce a hissing sound and no spatter.

S The short arc transfer on aluminum produces poor cleaning action, poor tie-in at the edges of the weld, and large

amounts of spatter and smoke.

S The reflective heat and weld puddle that is present when MIG welding aluminum is very hot. Holding the tip closer

than 3/4 in. could lead to the wire burning back to the contact tip and other feeding problems.

S The most common shielding gas for MIG welding aluminum is 100% argon. Flow rates of 20 to 30 CFH [cubic feet

per hour (0.57 to 0.85 m

/hr)] are acceptable. C25 or argon CO

shielding gases are not acceptable.

OM-226 857 Page 20

S Maintain a 3/4 in. (19 mm) tip-to-work distance, and have the contact tip recessed approximately 1/8 in. inside the

nozzle if possible. See Figure 5-2.

Gas Nozzle

Contact Tube Recessed 1/8 in.

(3.2 mm) Inside The Nozzle

Contact Tip To Work

Distance 3/4 in. (19 mm)

Figure 5-2. Contact Tube Position And Tip-To-Work Distance

S Avoid large weave beads on aluminum. If larger fillet welds are needed, multiple pass straight beads will provide

better appearance and have less chance of cold lapping, burn through, and other weld defects.

S It will be necessary to increase torch travel speed as the base material becomes heated during the welding

process.

S The skill level of the operator, joint types, fit up, and positions, as well as the welding power supply will all have a

great influence on the weldability of the aluminum and your success.

C. Common Problems/Troubleshooting

S Burn through (melt through) caused by over heating the base material.

1. Increase travel speed. Make shorter welds.

2. Move around on part, spreading out the heat.

3. Use thicker material, change joint design or welding process to AC TIG.

4. Eliminate or reduce gaps.

S Dirty welds.

1. Use push angle instead of drag technique.

2. Increase voltage to get into spray transfer.

3. Use proper base metal cleaning techniques (stainless steel brush).

4. Check for proper shielding gas and wire alloy type.

S Wire burns back to contact tip during or at the end of the weld.

1. Maintain a 3/4 in. (19 mm) tip-to-work distance.

2. Check to make sure the contact tip size, drive rolls and gun liner match the wire diameter that you are using.

(Sometimes an oversized tip can be used. The ID should only be one size larger than the wire diameter.)

S Wire “bird nests” (piles up) in front of inlet guide on gun.

1. Check and adjust drive roll tension.

2. Check to make sure drive rolls match wire diameter.

3. Replace contact tip if fouled or plugged.(Sometimes an oversized tip can be used. The ID should only be one

size larger than the wire diameter.)

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OM-226 857 Page 22

SECTION 7 − PARTS LIST

. Hardware is common and not

available unless listed.

801 900-D

Figure 7-1. Complete Assembly For Spool Gun 3035-20

OM-226 857 Page 23

Quantity

Description

Part

No.

Dia.

Mkgs.

Item

No.

Figure 7-1. Complete Assembly for Spool Gun 3035-20

1 PB1 186 416 TRIGGER SWITCH 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 226 855 PLASTIC HANDLE 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 226 853 SPOOL COVER ASSY (consisting of) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 226 854 SPOOL DEFENCE SHELL 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 194 623 SPOOL SHAFT 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 194 624 BUSHING RESISTANCE RUBBER 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 194 625 LOCATION BUSHING 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8 194 626 ADJUSTING NUT 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9 RING, rtng C-clip .140 shaft x .015 thick 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10 194 627 LOCKING SCREW 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11 187 239 COVER, drive roll 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12 208 850 STRAIN RELIEF 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13 186 489 CABLE/GAS HOSE ASSEMBLY 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14 208 851 NUT, handle plastic 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

15 193 999 SPRING, CPRSN .310 OD x .040 wire x 1.380 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

16 186 415 PRESS ARM W/SHAFT, C-clip washer 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17 187 238 BEARING 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18 186 414 PUSH ROLL .030/.035 (0.8/0.9 MM) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19 209 079 SCREW M4 x 0.7 x 16 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20 209 080 SCREW M4 x 0.7 x 6 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21 186 413 DRIVE ROLL .030/.035 (0.8/0.9 MM) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18 ♦199 732 PUSH ROLL UK .023 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21 ♦199 731 DRIVE ROLL UK .023 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22 186 488 KEY 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23 186 410 INLET GUIDE 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24 048 834 CLAMP, circ 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25 079 878 CONNECTOR W/SOCKETS 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26 194 631 NUT, brass 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

27 186 412 GEARBOX ASSEMBLY 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

28 B2 186 417 MOTOR 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29 196 398 BUSS BAR, interconnecting 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30 197 570 ANTI-ROTATION PIN 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31 196 848 CONTACT ADAPTER 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

32 196 827 GUN TUBE ASSEMBLY (consisting of) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

33 196 849 HEAD TUBE ASSY 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

34 206 363 LINER KIT 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35 196 847 LOCKING NUT 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

36 194 633 BARREL 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

37 209 080 SCREW, M4 x 0.7 x 6 mm 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

38 186 408 GAS NIPPLE 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

39 186 409 GAS DIFFUSER 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

40 186 419 CONTACT TIP .030 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

40 186 406 CONTACT TIP .035 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

40 ♦199 730 CONTACT TIP .023 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

41 186 405 NOZZLE 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

♦OPTIONAL

To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested

Replacement Parts. Model and serial number required when ordering parts from your local distributor.

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