Instruction/ maintenance manual of the product HWC-115A Hobart Welding Products
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Pr ocesses OM-185 480B March 1999 HWC-1 15A Descr iption MIG (GMA W) W elding W eld Control For Spoolmatic Gun.
Hobart W elders 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 catalog sheets. T o locate your nearest distributor or service agency call 1-877-Hobart1.
OM-185 480 Page 1 SECTION 1 – SAFETY PRECAUTIONS FOR ARC WELDING safety_som1 4/95 OM-185 480 – 2/97 1-1. Symbol Usage Means W arning! W atch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols.
OM-185 480 Page 2 CYLINDERS can explode if damaged. 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 .
OM-185 480 Page 3 OVERUSE can cause OVERHEA TED EQUIPMENT . 1. Allow cooling period. 2. Reduce current or reduce duty cycle before starting to weld again. 3. Follow rated duty cycle. ST A T IC ELECTRICITY can damage parts on circuit boards. 1. Put on grounded wrist strap BEFORE handling boards or parts.
OM-185 480 Page 4 SECTION 2 – INST ALLA TION 2-1. T ypical Process Connections Use gun Owner ’ s Manual when making connections. NOTE Constant current and/or constant voltage transformer and engine-driven DC power sources. If the power source does not have a weld output contactor , the optional contactor kit should be ordered.
OM-185 480 Page 5 2-3. V oltage Sensing Lead Connections And Motor Start Control Adjustment ST -801 840 / ST -150 035 1 Center Baf fle 2 Circuit Board PC1 3 Jumper Plug 4 Receptacle RC3 Internal (INT) and external (EXT) are stamped on PC1 just above RC3.
OM-185 480 Page 6 2-4. Weld Cable Connections ST -801 840 / ST -151 1 13 / ST-801 487-A / Ref. SC-139 439-B 1 Lower Left Grommet 2 Positive (+) Weld Output T erminal On Welding Power Source 3 Reed Swi.
OM-185 480 Page 7 2-5. Input Power Connection ST -801 839 1 Contact Closure Interconnecting Cord And Plug PLG5 2 V oltage Sensing Lead Connect to workpiece for CC op- eration (see Section 2-3). 3 Grounded Receptacle A 15 ampere branch circuit pro- tected by time-delay fuses or cir- cuit breakers is required.
OM-185 480 Page 8 SECTION 3 – OPERA TION 3-1. 1 15 V olt Model Controls wfcontrols_1 1/96 / Ref. ST -144 451-D 1 Run-In Speed Control Use control to select welding wire speed before arc initiation. After arc initiation, the wire feed speed is controlled by the Wire Speed con- trol on the gun/feeder .
OM-185 480 Page 9 SECTION 4 – MAINTENANCE & TROUBLESHOOTING Y Disconnect power before maintaining. . Maintain more often during severe conditions. 3 Months Replace Damaged Gas Hose Clean And T ighten Weld T erminals Replace Damaged Or Unreadable Labels Repair Or Replace Cracked Cables And Cords 6 Months Blow Out Or V acuum Inside 4-1.
OM-185 480 Page 10 4-2. T roubleshooting T rouble Remedy Pressing gun trigger does not ener- gize weld control or welding wire. Secure plug PLG4 in 1 15 volts ac receptacle (see Sections 2-5). Secure gun plug in Gun Control receptacle RC3 on weld control (see Section 2-2).
OM-185 480 Page 1 1 SECTION 5 – ELECTRICAL DIAGRAM SC-155 058-B Figure 5-1. Circuit Diagram.
OM-185 480 Page 12 SECTION 6 – P ARTS LIST Figure 6-1. Complete Assembly Of HWC-1 15A 1 2 3 4 5 6 7 8 9 10 13 15 16 17 18 19 20 21 22 23 24 25 27 28 29 30 31 32 34 35 34 38 39 41 ST -801 837 11 12 1.
OM-185 480 Page 13 Description Quantity Part No. Dia. Mkgs. Item No. Figure 6-1. Complete Assembly Of HWC-1 15A 1 126 415 CLAMP , saddle 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
123 123 Notes.
123 123 Notes.
123 123 Notes.
Warranty Questions? Call 1-877-HOBART1 for your local Hobart distributor. hobart standard 7/00 Service Y o u always get the fast, reliable response you need. Most replacement parts can be in your hands in 24 hours. Support Need fast answers to the tough welding questions? Contact your distributor or call 1-800-332-3281.
PRINTED IN USA 2001 Hobart Welding Products. 1/01 Hoba rt We lding Produc ts An I l li noi s T ool Works Company 600 West Main St reet Troy , OH 4 5373 USA For Technical A ssistan ce: Call1-800-33.
An important point after buying a device Hobart Welding Products HWC-115A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Hobart Welding Products HWC-115A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Hobart Welding Products HWC-115A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Hobart Welding Products HWC-115A you will learn all the available features of the product, as well as information on its operation. The information that you get Hobart Welding Products HWC-115A will certainly help you make a decision on the purchase.
If you already are a holder of Hobart Welding Products HWC-115A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Hobart Welding Products HWC-115A.
However, one of the most important roles played by the user manual is to help in solving problems with Hobart Welding Products HWC-115A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hobart Welding Products HWC-115A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
