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INSTRUCTIONS for
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
2.
Be sure this information reaches the operator.
You can get extra copies through your supplier.
HW-18 & HW-18R
TIG WELDING TORCHES
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)
F-9886-R
September, 1997
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Summary of Contents for ESAB Genuine Heliarc HW-18
- Page 1 INSTRUCTIONS for F-9886-R September, 1997 HW-18 & HW-18R TIG WELDING TORCHES 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°...
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Page 2: User Responsibility
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. -
Page 3: Safety Precautions
SAFETY PRECAUTIONS WARNING: hese Safety Precautions are for 5. Do not use equipment beyond its ratings. For example, your protection. They summarize precaution- overloaded welding cable can overheat and create a fire ary information from the references listed in hazard. Additional Safety Information section. - Page 4 EQUIPMENT MAINTENANCE -- Faulty or FUMES AND GASES -- Fumes and improperly maintained equipment can gases, can cause discomfort or harm, cause injury or death. Therefore: particularly in confined spaces. Do not breathe fumes and gases. Shield- 1. Always have qualified personnel perform the installa- ing gases can cause asphyxiation.
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Page 5: Optional Accessories
REQUIRED ACCESSORIES OR SERVICES: OPTIONAL ACCESSORIES 1. Collet, Collet Body, Electrode, Cup - See Tables 1. Short Cap, P/N 57Y04 - for use with 3-in. (76 mm) 1, 2 and 3. electrodes. 2. Fuse Assembly, P/N 45V34, or Power Cable Adap- 2. - Page 6 Table 1 Electrode and Cup Sizes for Different Welding Currents Welding Currents, Amps. ACHF* DCSP†† DCRP†† Using pure Using Using pure, or Electrode tungsten thoriated thoriated tungsten Diameter High-Impact Ceramic electrodes electrodes† electrodes Cup No. Cup No. 5-15 5-20 5-20 —...
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Page 7: Setup And Installation
(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 TORCH CAP lens collet bodies and cups.) NOTE: When using high frequency with the sleeved "O"... - Page 8 minum, a dark gray deposit on or beside the weld 4. Slide the new hose clamp over the new hose. bead. 5. Place the end of the hose in hot water for a short 2. Keep the torch hose away from hot metal. The plas- time, and then slide the new hose all the way over tic hose begins to lose strength at 125°...
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Page 9: Replacement Parts
REPLACEMENT PARTS SUPPLIED: COLLET BODY WITH WATER ADAPTOR INTEGRAL GAS LENS (5/8 - 18 LH x 1/4 NPT) - 11N16 COLLET BODY INSULATOR GAS CUP COLLET GAS LENS ACCESSORIES ASSEM. (LONG) 57Y02 INCLUDES HANDLE - 10N15 (HW-18) “O”RING - 98W18 - 10N15A (HW-18R) (3/8"... - Page 12 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 ® Genuine Heliarc is a registered trademark of ESAB Welding & Cutting Products. F-9886-R 9 /97 Printed in U.S.A.
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