ESAB GENUINE Heliarc HW-18 & HW-18R Tig Welding Torches User manual

Brand: ESAB

Model: GENUINE Heliarc HW-18 & HW-18R Tig Welding Torches

Category: Welding System

Type: User manual

INSTRUCTIONS for

F-9886-R

September, 1997

Be sure this information reaches the operator.

You can get extra copies through your supplier.

COLLET BODIES: Sizes to match collets; two styles,

standard and gas lens, in each size. Large diameter gas

lens available for 3/32-, 1/8-, 5/32-in. electrodes. See

Table 2.

CUPS: For use with standard collet bodies: standard

ceramic in all sizes long ceramic in sizes 4 through 7.

High impact ceramic, either plain or sleeved. For use

with gas lens collet bodies: standard ceramic or high-

impact ceramic. See Table 3.

TORCH DIMENSIONS:

Length, approx............................. 10-1/2-in. (267 mm)

Handle diameter ............................ 1-1/16-in. (27 mm)

Height of torch head

with short cap .......................... 3-3/16-in. (81 mm)

with long cap ......................... 7-1/16-in. (189 mm)

HW-18 with 60° hard body, 12-1/2-ft. cable and hose ................... Part No. 948361

HW-18 with 60° hard body, 25-ft. cable and hose ......................... Part No. 948362

HW-18R with 60° rubber body, 12-1/2-ft. cable and hose .......... Part No. 948361R

HW-18R with 60° rubber body, 25-ft. cable and hose ................ Part No. 948362R

These INSTRUCTIONS are for experienced operators. If you are not fully familiar with the principles of

operation and safe practices for arc equipment, we urge you to read our booklet, Precautions and Safe

Practices for Arc Welding, Cutting and Gouging, Form 52-529. Do not permit untrained persons to install,

operate, or maintain this equipment. Do not attempt to install or operate this equipment until you have

read and fully understand these instructions. If you do not fully understand these instructions, contact

your supplier for further information. Be sure to read the Safety Precautions on pages 3 and 4 before

installing or operating this equipment.

RATING: With standard collet bodies: 300 amps. (ACHF

or DCSP) continuous duty. Using HW-18 (with 12-1/2-

ft., 3.8 m, cable) with gas lens collet bodies: 375 amps.

(ACHF or DCSP) continuous duty.

COOLING: Closed-loop water cooling system, no joints

within torch body to leak.

ELECTRODES: Uses .020-in. through 5/32-in. diameter

electrodes, 3-in., or 7-in. long. Standard torch cap is de-

signed for 7-in. electrodes. Short cap for 3-in. electrodes

is available as option. See Table 1 for electrode diam-

eter vs. current recommendations.

COLLETS: Available for six electrode sizes. See Table

HW-18 & HW-18R

TIG WELDING TORCHES

USER RESPONSIBILITY

This equipment will perform in conformity with the description contained in this manual and accompanying

labels and/or inserts when installed, operated, maintained, and repaired in accordance with the instructions provided.

This equipment must be checked periodically. Malfunctioning or poorly maintained equipment should not be used.

Parts that are broken, missing, worn, distorted, or contaminated should be replaced immediately. Should such repair

or replacement become necessary, the manufacturer recommends that you contact the Authorized Distributor from

whom the equipment was purchased.

Neither this equipment nor any of its parts should be altered without the prior written approval of the manufac-

turer. The user of this equipment shall have the sole responsibility for any malfunction which results from improper

use, faulty maintenance, damage, improper repair, or alteration by anyone other than the manufacturer or a service

facility designated by the manufacturer.

WARNING: These Safety Precautions are for

your protection. They summarize precaution-

ary information from the references listed in

Additional Safety Information section. Before

performing any installation or operating procedures, be

sure to read and follow the safety precautions listed below

as well as all other manuals, material safety data sheets,

labels, etc. Failure to observe Safety Precautions can result

in injury or death.

PROTECT YOURSELF AND OTHERS

Some welding, cutting, and gouging

processes are noisy and require ear

protection. The arc, like the sun, emits

ultraviolet (UV) and other radiation and

can injure skin and eyes. Hot metal can cause burns.

Training in the proper use of the processes and equip-

ment is essential to prevent accidents. Therefore:

1. Always wear safety glasses with side shields in any work

area, even if welding helmets, face shields, and goggles

are also required.

2. Use a face shield fitted with the correct filter and cover

plates to protect your eyes, face, neck, and ears from

sparks and rays of the arc when operating or observing

operations. Warn bystanders not to watch the arc and

not to expose themselves to the rays of the electric-arc

or hot metal.

3. Wear flameproof gauntlet type gloves, heavy long-sleeve

shirt, cuffless trousers, high-topped shoes, and a weld-

ing helmet or cap for hair protection, to protect against

arc rays and hot sparks or hot metal. A flameproof apron

may also be desirable as protection against radiated

heat and sparks.

4. Hot sparks or metal can lodge in rolled up sleeves,

trouser cuffs, or pockets. Sleeves and collars should be

kept buttoned, and open pockets eliminated from the

front of clothing

5. Protect other personnel from arc rays and hot sparks

with a suitable non-flammable partition or curtains.

6. Use goggles over safety glasses when chipping slag or

grinding. Chipped slag may be hot and can fly far.

Bystanders should also wear goggles over safety glasses.

FIRES AND EXPLOSIONS -- Heat from

flames and arcs can start fires. Hot slag

or sparks can also cause fires and ex-

plosions. Therefore:

1. Remove all combustible materials well away from the

work area or cover the materials with a protective non-

flammable covering. Combustible materials include wood,

cloth, sawdust, liquid and gas fuels, solvents, paints and

coatings, paper, etc.

2. Hot sparks or hot metal can fall through cracks or

crevices in floors or wall openings and cause a hidden

smoldering fire or fires on the floor below. Make certain

that such openings are protected from hot sparks and

metal.“

3. Do not weld, cut or perform other hot work until the

workpiece has been completely cleaned so that there

are no substances on the workpiece which might pro-

duce flammable or toxic vapors. Do not do hot work on

closed containers. They may explode.

4. Have fire extinguishing equipment handy for instant use,

such as a garden hose, water pail, sand bucket, or

portable fire extinguisher. Be sure you are trained in its

use.

SAFETY PRECAUTIONS

10/98

5. Do not use equipment beyond its ratings. For example,

overloaded welding cable can overheat and create a fire

hazard.

6. After completing operations, inspect the work area to

make certain there are no hot sparks or hot metal which

could cause a later fire. Use fire watchers when neces-

sary.

7. For additional information, refer to NFPA Standard 51B,

"Fire Prevention in Use of Cutting and Welding Pro-

cesses", available from the National Fire Protection Asso-

ciation, Batterymarch Park, Quincy, MA 02269.

ELECTRICAL SHOCK -- Contact with live

electrical parts and ground can cause

severe injury or death. DO NOT use AC

welding current in damp areas, if move-

ment is confined, or if there is danger of

falling.

1. Be sure the power source frame (chassis) is connected

to the ground system of the input power.

2. Connect the workpiece to a good electrical ground.

3. Connect the work cable to the workpiece. A poor or

missing connection can expose you or others to a fatal

shock.

4. Use well-maintained equipment. Replace worn or dam-

aged cables.

5. Keep everything dry, including clothing, work area, cables,

torch/electrode holder, and power source.

6. Make sure that all parts of your body are insulated from

work

and from ground.

7. Do not stand directly on metal or the earth while working

in tight quarters or a damp area; stand on dry boards or

an insulating platform and wear rubber-soled shoes.

8. Put on dry, hole-free gloves before turning on the power.

9. Turn off the power before removing your gloves.

10. Refer to ANSI/ASC Standard Z49.1 (listed on next page)

for specific grounding recommendations. Do not mistake

the work lead for a ground cable.

ELECTRIC AND MAGNETIC FIELDS —

May be dangerous. Electric current flow-

ing through any conductor causes lo-

calized Electric and Magnetic Fields

(EMF). Welding and cutting current cre-

ates EMF around welding cables and

welding machines. Therefore:

1. Welders having pacemakers should consult their physi-

cian before welding. EMF may interfere with some pace-

makers.

2. Exposure to EMF may have other health effects which are

unknown.

3. Welders should use the following procedures to minimize

exposure to EMF:

A. Route the electrode and work cables together. Secure

them with tape when possible.

B. Never coil the torch or work cable around your body.

C. Do not place your body between the torch and work

cables. Route cables on the same side of your body.

D. Connect the work cable to the workpiece as close as

possible to the area being welded.

E. Keep welding power source and cables as far away

from your body as possible.

FUMES AND GASES -- Fumes and

gases, can cause discomfort or harm,

particularly in confined spaces. Do

not breathe fumes and gases. Shield-

ing gases can cause asphyxiation.

Therefore:

1. Always provide adequate ventilation in the work area by

natural or mechanical means. Do not weld, cut, or gouge

on materials such as galvanized steel, stainless steel,

copper, zinc, lead, beryllium, or cadmium unless positive

mechanical ventilation is provided. Do not breathe fumes

from these materials.

2. Do not operate near degreasing and spraying opera-

tions. The heat or arc rays can react with chlorinated

hydrocarbon vapors to form phosgene, a highly toxic

gas, and other irritant gases.

3. If you develop momentary eye, nose, or throat irritation

while operating, this is an indication that ventilation is not

adequate. Stop work and take necessary steps to im-

prove ventilation in the work area. Do not continue to

operate if physical discomfort persists.

4. Refer to ANSI/ASC Standard Z49.1 (see listing below)

for specific ventilation recommendations.

5. WARNING: This product, when used for welding or

cutting, 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 §25249.5 et seq.)

CYLINDER HANDLING -- Cylinders, if

mishandled, can rupture and violently

release gas. Sudden rupture of cylin-

der, valve, or relief device can injure or

kill. Therefore:

1. Use the proper gas for the process and use the proper

pressure reducing regulator designed to operate from

the compressed gas cylinder. Do not use adaptors.

Maintain hoses and fittings in good condition. Follow

manufacturer's operating instructions for mounting regu-

lator to a compressed gas cylinder.

2. Always secure cylinders in an upright position by chain

or strap to suitable hand trucks, undercarriages, benches,

walls, post, or racks. Never secure cylinders to work

tables or fixtures where they may become part of an

electrical circuit.

3. When not in use, keep cylinder valves closed. Have

valve protection cap in place if regulator is not con-

nected. Secure and move cylinders by using suitable

hand trucks. Avoid rough handling of cylinders.

4. Locate cylinders away from heat, sparks, and flames.

Never strike an arc on a cylinder.

5. For additional information, refer to CGA Standard P-1,

"Precautions for Safe Handling of Compressed Gases in

Cylinders", which is available from Compressed Gas

Association, 1235 Jefferson Davis Highway, Arlington,

VA 22202.

EQUIPMENT MAINTENANCE -- Faulty or

improperly maintained equipment can

cause injury or death. Therefore:

1. Always have qualified personnel perform the installa-

tion, troubleshooting, and maintenance work. Do not

perform any electrical work unless you are qualified to

perform such work.

2. Before performing any maintenance work inside a power

source, disconnect the power source from the incoming

electrical power.

3. Maintain cables, grounding wire, connections, power

cord, and power supply in safe working order. Do not

operate any equipment in faulty condition.

4. Do not abuse any equipment or accessories. Keep

equipment away from heat sources such as furnaces,

wet conditions such as water puddles, oil or grease,

corrosive atmospheres and inclement weather.

5. Keep all safety devices and cabinet covers in position

and in good repair.

6. Use equipment only for its intended purpose. Do not

modify it in any manner.

ADDITIONAL SAFETY INFORMATION -- For

more information on safe practices for elec-

tric arc welding and cutting equipment, ask

your supplier for a copy of "Precautions and

Safe Practices for Arc Welding, Cutting and

Gouging", Form 52-529.

The following publications, which are available from the

American Welding Society, 550 N.W. LeJuene Road, Mi-

ami, FL 33126, are recommended to you:

1. ANSI/ASC Z49.1 - "Safety in Welding and Cutting"

2. AWS C5.1 - "Recommended Practices for Plasma Arc

Welding"

3. AWS C5.2 - "Recommended Practices for Plasma Arc

Cutting"

4. AWS C5.3 - "Recommended Practices for Air Carbon

Arc Gouging and Cutting"

5. AWS C5.5 - "Recommended Practices for Gas Tungsten

Arc Welding“

6. AWS C5.6 - "Recommended Practices for Gas Metal Arc

Welding"“

7. AWS SP - "Safe Practices" - Reprint, Welding Hand-

book.

8. ANSI/AWS F4.1, "Recommended Safe Practices for

Welding and Cutting of Containers That Have Held

Hazardous Substances."

MEANING OF SYMBOLS - As used through-

out this manual: Means Attention! Be Alert!

Your safety is involved.

Means immediate hazards which, if

not avoided, will result in immediate,

serious personal injury or loss of life.

Means potential hazards which could

result in personal injury or loss of life.

Means hazards which could result in

minor personal injury.

SP98-10

REQUIRED ACCESSORIES OR SERVICES:

1. Collet, Collet Body, Electrode, Cup - See Tables

1, 2 and 3.

2. Fuse Assembly, P/N 45V34, or Power Cable Adap-

tor, P/N 45V11 - For connecting torch power cable

to power source.

NOTE: The fuse assembly contains a standard fuse link

(54N26) which is rated for welding currents up

to 250 amps. If intending to use welding cur-

rents greater than 250 amps, replace fuse link

with heavy-duty fuse link  (54N30 supplied in

a package of 5), instructions for replacement

(Form 11-103) are packed with the fuse assem-

bly.

3. Water Hose, P/N 40V76 - 12-1/2-ft., recommended

for connecting fuse assembly or adaptor to drain.

4. Shielding gas regulator-flowmeter - R-502 (P/N

998846) or R-5007 (P/N 998124) if cylinder gas is

used or L-32 flowmeter (P/N 639751) if shielding

gas is piped.

5. Adequate Water Supply - For adequate torch cool-

ing at maximum rating, a water flow of one quart/

min. (0.95 L/min) with inlet temperature 60° F (15°

C) or less, is needed. To secure this flow, pressure

of the water supply must be at least 25 psi (1.7 bars)

if torch has 12-1/2-ft. (3.8 m) cable and hose, 36 psi

(2.4 bars) if torch has 25-ft. (7.6 m) cable and hose.

(If flow switch is used in system, 5 psi (.35 bars)

more pressure upstream of switch is needed.) Pres-

sure should not exceed 50 psi (3.4 bars) at inlet of

the torch hose to prevent damaging the plastic hose.

6. Welding power and shielding gas supplies.

HW-18 TORCH

FUSE ASSEM. - 45V34

WELDING CABLE TO

POWER SOURCE

POWER CABLE

ADAPTOR - 45V11

(7/8"- 14L.H. TO

5/8"-18L.H.)

ARGON HOSE

40V77 (12-1/2 FT.)

ARGON REGULATOR

WITH FLOWMETER

ARGON

CYLINDER

ADAPTOR - 11N16

(5/8"-18L.H. TO 1/4" N.P.T.)

STRAINER

96W69

WATER SUPPLY LINE

V-30 VALVE - 16X21

INCLUDES

(2) ARGON CONN.-74S76

(2) WATER CONN.-11N16

WATER COUPLING-

11N18 (5/8"-18L.H.)

WATER HOSE

40V76 (12-1/2-FT)

DRAIN

FLOW SWITCH-40V50

V-30

Fig. 1 - Argon and Water Hose Connections for the HW-18 Torch

OPTIONAL ACCESSORIES

1. Short Cap, P/N 57Y04 - for use with 3-in. (76 mm)

electrodes.

2. V-30 Double Shut-Off Valve, P/N 16X21 - Shuts

off both water and gas flow when torch is hung on

valve arm.

3. Flow Switch (Torch Saver), P/N 40V50. Water-

metering switch which can be connected to the

welding contactor coil to cut off welding power if flow

rate drops below 0.2 gal./min. (0.75 L/min.). Rec-

ommended for use when water pressure may fluc-

tuate severely. Use in conjunction with, or instead

of, fuse. (See Figure 1.)

4. Braided Nylon Sheath, P/N 2075199 (9-ft. long);

P/N 2075201 (20-ft. long)  To protect service lines

from abrasive wear.

5. Service Line Extensions:

Water Hose (12-1/2-ft.), P/N 40V76

Water Hose Coupling, P/N 11N18

Gas Hose (12-1/2-ft.), P/N 40V77

Gas Hose Coupling, P/N 11N17

*Power Cable (12-1/2-ft.), P/N 40V78

Power Cable Coupling, P/N 11N19

Power Cable Insulator Sleeve, P/N 10N27

*Power cable extensions reduces torch rating to 250

amps.

6. Tig Accessory Kit, P/N 999126 - includes three

collets, three collet bodies, and three 7-in. 2%

thoriated electrodes, each in 1/16-in., 3/32-in., and

1/8-in. sizes, three high impact cups. Nos. 5, 6 and

7, and one short torch cap.

ARGON COUPLING-11N17

(5/8"-18)

Table 1

Electrode and Cup Sizes for Different Welding Currents

Large Dia.

Electrode Size Standard Gas Lens Gas Lens

in. mm Collet Collet Body Collet Body* Collet Body**

0.020 0.5 10N21 10N29 45V29 

0.040 1.0 10N22 10N30 45V24 

1/16 1.6 10N23 10N31 45V25 

3/32 2.4 10N24 10N32 45V26 45V64

1/8 3.2 10N25 10N28 45V27 995795

5/32 4.0 54N20 406488 45V28 45V63

* Collet Body insulator, P/N 54N01, is required when using gas lens collet bodies.

** Collet body insulator, P/N 54N63, is required when using large diameter gas lens collet bodies.

 Use of a gas lens collet body is recommended for this size.

Table 2 - Collets and Collet Bodies

Table 3 - Gas Cups

Cup No. 4 5 6 7 8 10 12 Short*

High-Impact Cup 10N50 10N49 10N48 10N47 10N46 10N45 10N44 

Sleeved High-Impact Cup 10N56 10N55 10N54 10N53 10N52 10N51  

Ceramic Cup 105Z43 105Z42 105Z44 105Z45 08N78 08N79 08N80 

Long Ceramic Cup 12N03 105Z60 12N02 105Z61    

Gas Lens High-Impact Cup 54N18 54N17 54N16 54N15 54N14   54N19

Large Dia. Gas Lens High-Impact Cup      53N88 53N87 53N89

Gas Lens Ceramic Cup 54N35 54N34 54N33 54N32 54N31   54N36

* Short cups serve essentially as insulators. The short cup cannot be used with high-frequency or with currents greater

than 300 amperes.

Welding Currents, Amps.

ACHF* DCSP DCRP

Using pure Using Using pure, or Electrode

tungsten thoriated thoriated tungsten Diameter High-Impact Ceramic

electrodes electrodes electrodes in. mm Cup No. Cup No.

5-15 5-20 5-20  0.020 0.5 4 4-5

10-60 15-80 15-80  0.040 1.0 4-5 4-5

50-100 70-150 70-150 10-20 1/16 1.6 4-5-6 4-5-6

100-150 140-235 150-250 15-30 3/32 2.4 5-6-7-8 6-7-8

150-210 225-325** 250-400** 25-40 1/8 3.2 6-7-8-10 7-8-10

200-275 300-400**  40-55 5/32 4.0 8-10-12 10-12

* Values based on use of unbalanced wave transformer. If a balanced wave transformer is used, reduce maximum values in table by

about 30 per cent or use the next larger size electrode.

** Exceeds the current rating of the torch (except 948361 (12-1/2-ft.) using gas lens).

 Balled electrode tip ends can best be formed and maintained at these a.c. current levels.

 Thoriated tungsten electrodes are recommended when a gas lens and high frequency starting are used.

(Exact extension is variable; from as little as

1/8-in. for butt-welding with standard collet bod-

ies to 3/4-in. for corner or fillet welds with gas

lens collet bodies and cups.)

NOTE: When using high frequency with the sleeved

high-impact cup, arcing may sometimes occur

between the electrode and the steel sleeve. To

avoid this, it is advantageous to extend the elec-

trode as far as possible consistent with the par-

ticular operation.

f. Screw on torch cap and tighten. The cup will

press down on the collet to grip the electrode

securely. (To readjust electrode, loosen torch

cap.)

OPERATING INSTRUCTIONS

1. Make sure that all argon and water connections in

the system have been securely tightened, and that

the torch cap has been well-tightened.

2. Turn on the water. (See Page 5 for pressure and

flow requirements.)

3. With the regulator flow-adjusting valve closed, open

the shielding gas cylinder or station valve.

4. Set the power source for the desired welding cur-

rent.

5. Open all shielding gas valves downstream from flow-

meter or flowmeter/regulator, (valve on torch, lever

operated shut-off valve, or solenoid-operated valve

in power source).

NOTE: Purge the gas hose by allowing the gas to flow-

long enough (up to 15 minutes on new torch;

less than 5 minutes thereafter) to drive out air

and moisture. This will help prevent weld con-

tamination.

Close control switch at work position or at power source.

Draw a test arc on a heavy piece of scrap steel or cop-

per. (Do not use a carbon block, which will tend to con-

taminate the electrode.) If the test arc is satisfactory,

commence welding.

OPERATION AND MAINTENANCE HINTS

If this equipment does not operate properly, stop

work immediately and investigate the cause of the

malfunction. Maintenance work must be performed

by an experienced person, and electrical work by a

trained electrician. Do not permit untrained persons

to inspect, clean, or repair this equipment. Use only

recommended replacement parts.

1. A poor shielding gas connection, or a leaky hose,

will not only waste gas but permit the entry of minute

amounts of air, sufficient to contaminate both the

electrode and the weld. Trouble signs: a bluish coat

on the electrode after it has cooled, in welding alu-

SET-UP AND INSTALLATION

(See Figure 1)

1. Set up the torch and accessories, following Figure

1 and 2 observing all instructions supplied with regu-

lator/flowmeter, fuse, flow switch, and shut-off valve.

(In the simplest installation, the torch gas hose is

attached directly to the flowmeter outlet, and the

water hose is attached to a water line, utilizing adap-

tor 11N16 supplied with torch.)

2. Connect the fuse assembly or power cable adaptor

to the welding power source, either directly or

through available length of welding cable fitted with

lugs. Run a hose from the fuse or adaptor to a wa-

ter drain.

3. Install collet body, collet, electrode, and cup on torch.

(See Figure 2). Sequence of operations:

a. Screw in collet body. (If using gas-lens, as-

semble insulator on collet body before install-

ing.)

b. Apply a thin coat of silicone grease to the sur-

face of the cup that mates with the torch body

and screw on the cup.

c. Remove torch cap.

d. Slide collet into position (tapered end first).

e. Slip electrode down through hole in top of collet,

until end of electrode extends beyond rim of cup.

Fig. 2 - Exploded View of HW-18 Torch

TORCH CAP

"O" RING

ELECTRODE

ELECTRODE COLLET

GAS LENS

INSULATOR

GAS LENS

COLLET BODY

GAS LENS

CUP

TORCH BODY

COLLET BODY

CUP

minum, a dark gray deposit on or beside the weld

bead.

2. Keep the torch hose away from hot metal. The plas-

tic hose begins to lose strength at 125° F (52° C).

3. Do not try to repair a damaged power cable or gas

or water hose. Replace it as directed below.

4. If the torch water passages become clogged, they

can sometimes be cleared by reversing the direc-

tion of water flow (that is, sending water in through

the power cable, out through the water hose). How-

ever, never weld with the flow reversed. A strainer

in the water inlet line (such as P/N 96W69) is good

insurance against clogging.

5. If an electrode becomes contaminated, shut off

power, then remove electrode from torch. Break off

the contaminated end (nicking with a grinding wheel

first will help) and replace electrode.

6. Keep an eye on the sealing Oring on the torch cap.

If it shows signs of wear or distortion, cut it off. Then

install a new ring (98W18). Apply a little silicone

grease to the new ring before attempting to slide it

over the cap threads.

REPLACING GAS OR WATER HOSE

1. Unscrew the torch handle and slide it back over the

service lines to expose the hose clamp (see Fig. 5).

2. Clip off the hose clamp (98W43) and remove the

hose.

3. Clean off the barbed fitting, and then brush on some

3M type 1711 adhesive onto the fitting.

4. Slide the new hose clamp over the new hose.

5. Place the end of the hose in hot water for a short

time, and then slide the new hose all the way over

the fitting, so it completely covers the ridges.

6. Orient the hose clamp so the tabs will not interfere

with the handle, and position the clamp so it is over

the ridges on the fitting.

7. Crimp both tabs using a crimping tool or pliers (see

Fig. 3).

REPLACEMENT OF GAS LENS SCREENS IN 45V63,

995795, AND 45V64 (See Figure 4)

Large diameter gas lens collet bodies contain replace-

able screens. If plugged by spatter, replace as follows:

1. With the collet body removed from the torch, remove

the outer snap ring, P/N 54N71. This can be done

by using a small screwdriver, or an electrode with a

diameter no greater than 3/32-in. Insert the tip in

the slot on the outer sleeve of the collet body, and

pry out the snap ring.

2. Using a pair of needle nose pliers, pry out the inner

snap ring, P/N 54N69.

3. Hold the collet body with the screens down, and gen-

tly tap the body on the work bench. The body con-

tains three fine and one coarse screens, separated

by spacers. If the screens are not badly fouled, they

should drop out of the body. Excessive fouling may

necessitate prying out the screens.

4. Inspect the screens and replace those which show

plugging, or other damage.

5. Replace the screens and spacers making sure that

a spacer is installed between each screen, and that

the coarsest screen is inserted last. Replace the

snap rings.

Fig. 4 - Replaceable Parts in Collet Bodies 45V63,

995795, and 45V64

Fig. 3 - Crimping a Hose Clamp

SCREEN (250 mesh)

54N66

SCREEN (100 mesh)

54N67

INNER SNAP RING

54N69

OUTER SNAP RING

54N71

OUTER SPACER

54N70

INNER SPACER

54N68

CAP

ASSEM. (LONG) 57Y02

(INCLUDES)

ORING - 98W18

(3/8" I.D.)

ORING - 98W18

(3/8" I.D.)

(INCLUDED IN 57Y02)

(Accys. - See Tables 2 and 3)

COLLET

CUP

BODY - 948350 (HW-18)

- 948350Ru (HW-18R)

COLLET BODY

(Accy. - See Table 2)

5/8"-18 L.H.

(B WATER)

ARGON INLET

HOSE ASSEMBLY

40V75 (12-1/2 FT.)

41V30 (25 FT.)

5/8" - 18

(B - IG)

POWER CABLE &

HOSE ASSEMBLY

40V64 (12-1/2 FT.)

41V29 (25 FT.)

WATER INLET HOSE ASSEMBLY -

40V74 (12-1/2 FT.)

41V32 (25 FT.)

7/8" - 14 L. H.

(C)

SUPPLIED:

WATER ADAPTOR

(5/8 - 18 LH x 1/4 NPT) - 11N16

HANDLE - 10N15 (HW-18)

- 10N15A (HW-18R)

SILVER SOLDER

HOSE CLAMP - 98W43

(See Maint. Sect.)

GAS

WATER IN

COLLET BODY WITH

INTEGRAL GAS LENS

COLLET BODY

INSULATOR

GAS CUP

COLLET

Fig. 4 - HW-18 Torch, 60° phenolic body,12-1/2-ft. lines, P/N 948361

- HW-18 Torch, 60° phenolic body, 25-ft., lines, P/N 948362

- HW-18R Torch, 60° rubber body, 12-1/2-ft. lines, P/N 948361R

- HW-18R torch, 60° rubber body, 25-ft. lines, P/N 948362R

GAS LENS ACCESSORIES

REPLACEMENT PARTS

F-9886-R 9 /97 25C Printed in U.S.A.

Genuine Heliarc

is a registered trademark of ESAB Welding & Cutting Products.

IF YOU DO NOT KNOW WHOM TO CALL

Telephone: (800) ESAB-123/ Fax: (843) 664-4452/ Web:http://www.esab.com

Hours: 7:30 AM to 5:00 PM EST

A. CUSTOMER SERVICE QUESTIONS:

Order Entry Product Availability Pricing Delivery

Order Changes Saleable Goods Returns Shipping Information

Eastern Distribution Center

Telephone: (800)362-7080 / Fax: (800) 634-7548

Central Distribution Center

Telephone: (800)783-5360 / Fax: (800) 783-5362

Western Distribution Center

Telephone: (800) 235-4012/ Fax: (888) 586-4670

B. ENGINEERING SERVICE: Telephone: (843) 664-4416 / Fax : (800) 446-5693

Welding Equipment Troubleshooting Hours: 7:30 AM to 5:00 PM EST

Warranty Returns Authorized Repair Stations

C. TECHNICAL SERVICE: Telephone: (800) ESAB-123/ Fax: (843) 664-4452

Part Numbers Technical Applications Hours: 8:00 AM to 5:00 PM EST

Performance Features Technical Specifications Equipment Recommendations

D. LITERATURE REQUESTS: Telephone: (843) 664-5562 / Fax: (843) 664-5548

Hours: 7:30 AM to 4:00 PM EST

E. WELDING EQUIPMENT REPAIRS: Telephone: (843) 664-4487 / Fax: (843) 664-5557

Repair Estimates Repair Status Hours: 7:30 AM to 3:30 PM EST

F. WELDING EQUIPMENT TRAINING:

Telephone: (843)664-4428 / Fax: (843) 679-5864

Training School Information and Registrations Hours: 7:30 AM to 4:00 PM EST

G. WELDING PROCESS ASSISTANCE:

Telephone: (800) ESAB-123 / Fax: (843) 664-4454 Hours: 7:30 AM to 4:00 PM EST

H. TECHNICAL ASST. CONSUMABLES:

Telephone : (800) 933-7070 Hours: 7:30 AM to 5:00 PM EST

ESAB Welding & Cutting Products, Florence, SC Welding Equipment

COMMUNICATION GUIDE - CUSTOMER SERVICES

ESAB GENUINE Heliarc HW-18 & HW-18R Tig Welding Torches User manual

Brand: ESAB

Model: GENUINE Heliarc HW-18 & HW-18R Tig Welding Torches

Category: Welding System

Type: User manual

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report

ESAB GENUINE Heliarc HW-18 & HW-18R Tig Welding Torches User manual

ESAB GENUINE Heliarc HW-18 & HW-18R Tig Welding Torches User manual

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