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F11-744-R
INSTRUCTIONS for
September, 2004
ST-16 MIG WELDING TORCH
These INSTRUCTIONS are for experienced operators. If you are not fully familiar with the principles of operation and safe practices for
arc welding 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
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USER RESPONSIBILITY This equipment will perform in conformity with the description thereof 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 contami- nated should be replaced immediately. Should such repair or replacement beco
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SAFETY PRECAUTIONS WARNING: These Safety Precautions are for 5. Do not use equipment beyond its ratings. For example, your protection. They summarize precautionary overloaded welding cable can overheat and create a fire information from the references listed in Addi- hazard. tional Safety Information section. Before per- 6. After completing operations, inspect the work area to make forming any installation or operating procedures, be sure to certain there are no hot sparks or hot metal which cou
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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 installation, ing gases can cause asphyxiation. troubleshooting, and maintenance work. Do not perform Therefore: any electrical work unless you are qualified to perform such work. 1. Always provide adequate ve
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Collet Nut Wrench, P/N 996109 - Permits loosen- 2. fitting. As the conduit is inserted it will fully seat the ing of the collet nut without removing nozzle. Par- jumper liner. ticularly recommended when using the 994330 cen- 3. Referring to Figure 3, loosen the two No. 10-32 tering bushing. The wrench employes a stop-pin to screws on locking nut (598787), slide handle back, assure proper position of contact tube when tighten- and then lock the conduit in place by locking the No. ing the colle
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6 PLASTIC JUMPER LINER (For all soft wire) SPRING JUMPER LINER (For all hard and cored wire) CONDUIT COLLET NUT - 632811* SPATTER LINER JUMPER LINER CONTACT TUBE OR TIP SELF-LINED CONDUIT * Discard collet nut if using threaded contact tip. Fig. 1 - Installation of Wire Feed Accessories Using Self Lined Conduit System Mig-35 WIRE OUTLET GUIDE SLEEVE HARD and CORED WIRE OUTLET GUIDE GUIDE INSERT SOFT
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Table 3 - ST-16 Wire Feed Accessories Using Conduit/Replaceable Liner System Wire Contact Contact Tip Soft-Lined Replaceable Wire Outlet Guide Type/ Tube (Threaded) Conduit Spring Mig-35 Size (Slip-in) Long Short 10-ft.. x (I.D.) Liner Digimig Hard 996104 632794 632793 598922 (.195) 636843 29N13 996105 632796 632795 598922 (.195) 598786 29N13 996816 948335 948308 598922 (.195) 598786 29N13 996106 632798 632797 598922 (.195) 598786 29N13 Cored 996105 - 632795 598922 (.195) 598786 29N13
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twist does not interfere with another part or the in- D. CENTERING BUSHING side of the handle. (Refer to Figs. 2 &3) 5. Reposition the pliers about 1/8-in. from the hose and To remove the centering bushing (17782) for inspection twist an additional 1-1/2 turns. or replacement, first shut off power source and then re- 6. Snip off excess wire about 1/8-in. from hose and move nozzle, contact tube, and collet nut. Insert the bend the twisted ends as shown below. centering bushing removal tool (9963
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9 RUBBER BAND - 595958 INSULATOR SLEEVE - 633880 HOSE CLAMP 950626 SCREW - 10-32 X 3/16 LOCKING NUT 6133-0907 (Supplied with 997027) HANDLE GASKET - 633884 598787 598738 Conduit Connection Fitting NOZZLE BODY “A” ASSEM. - 598885 WIRE GUIDE, BODY & TUBE ASSEM. - 997027 1/8” - 27 TAPERED PIPE THRD. “A” 5/8“ - 18 L.H. SCREW - 10-32 X 3/16 6133-0907 LEVER SWITCH & CORD WATER HOSE ASSEM. - 996356 END FITTING. - 996403 ASSEM. - 46V25 (See Fig. 4) (Supplied with 997027) (12 FT.) CENTERING BUSHING - 177
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(Continued from page 8). 3. Lift out switch (181W34) from the locating lugs on body. Before installing a new end fitting, apply a thin film of Dow Corning Heat Sink Compound No. 340 4. If replacing the micro switch only, unsolder the con- (73585976) to both the male and female threads. nections. Do not snip off the leads. Replace switch by soldering the black lead (or longer lead) to the 8. Reassemble the torch in reverse order. When reas- normally open terminal (NO) and the white lead to sem
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cord of the lever switch assembly in place. Opera- place. Push lever down and listen for distinct click- tor may wish to use 3 or 4 wraps of polyethylene ing noise of switch (energized position). Lever should tape (9025-0033) for added support. return upward on its own spring power and another click will be heard (deenergized position). If the two 4. If plastic tape wrappings were cut, wrap 3 or 4 turns clicking noises are heard, the lever switch assembly of plastic tape around all service l
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ESAB Welding & Cutting Products, Florence, SC Welding Equipment COMMUNICATIONS GUIDE - CUSTOMER SERVICES A. CUSTOMER SERVICE QUESTIONS: Telephone (843) 664-5540/Fax: (800) 634-7548 Order Entry Product Availability Pricing Hours: 8:30 AM to 5:00 PM EST Order Changes Saleable Goods Returns Delivery Shipping Information 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 Station
