Hobart HWC-115A - Manuals - manualsarea.com

Page 2 - From Hobart to You

Hobart Welders manufactures a full lineof welders and welding related equipment.For information on other quality Hobartproducts, contact your local Hobart distributorto receive the latest full line catalog orindividual catalog sheets. To locate your nearestdistributor or service agency call 1-877-Ho...

Page 3 - SECTION 1 – SAFETY PRECAUTIONS FOR ARC WELDING; Symbol Usage; Arc Welding Hazards; WARNING

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 Warning! Watch Out! There are possible hazards with thisprocedure! The possible hazards are shown in the adjoining symbols. This group of symbols means Warning! Watch Out! poss...

Page 4 - Additional Installation, Operation, And Maintenance Hazards

OM-185 480 Page 2 CYLINDERS can explode if damaged. Shielding gas cylinders contain gas under highpressure. If damaged, a cylinder can explode.Since gas cylinders are normally part of the weldingprocess, be sure to treat them carefully. 1. Protect compressed gas cylinders from excessive heat,mechani...

Page 6 - SECTION 2 – INSTALLATION; Typical Process Connections; NOTE; Gun/Feeder Connections

OM-185 480 Page 4 SECTION 2 – INSTALLATION 2-1. Typical Process Connections Use gun Owner’s Manual when making connections. NOTE Constant current and/orconstant voltage transformerand engine-driven DC powersources. If the power sourcedoes not have a weld outputcontactor, the optionalcontactor kit sh...

Page 8 - Weld Cable Connections

OM-185 480 Page 6 2-4. Weld Cable Connections ST-801 840 / ST-151 113 / ST-801 487-A / Ref. SC-139 439-B 1 Lower Left Grommet 2 Positive (+) Weld OutputTerminal On Welding PowerSource 3 Reed Switch 4 Weld Cable (CustomerSupplied) 5 Weld Cable Terminal 6 Weld Power Cable FromGun/Feeder 7 Weld Power G...

Page 9 - Input Power Connection; Contact Closure Connections

OM-185 480 Page 7 2-5. Input Power Connection ST-801 839 1 Contact ClosureInterconnecting Cord AndPlug PLG5 2 Voltage 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 require...

Page 10 - SECTION 3 – OPERATION; 15 Volt Model Controls; Shielding Gas

OM-185 480 Page 8 SECTION 3 – OPERATION 3-1. 115 Volt Model Controls wfcontrols_1 1/96 / Ref. ST-144 451-D 1 Run-In Speed Control Use control to select welding wirespeed before arc initiation. Afterarc initiation, the wire feed speed iscontrolled by the Wire Speed con-trol on the gun/feeder. 2 Power...

Page 11 - SECTION 4 – MAINTENANCE & TROUBLESHOOTING; Months

OM-185 480 Page 9 SECTION 4 – MAINTENANCE & TROUBLESHOOTING Y Disconnect power before maintaining. . Maintain more oftenduring severe conditions. 3 Months Replace Damaged Gas Hose Clean And Tighten Weld Terminals Replace Damaged Or Unreadable Labels Repair Or Replace Cracked Cables And Cords 6 M...

Page 12 - Troubleshooting

OM-185 480 Page 10 4-2. Troubleshooting Trouble Remedy Pressing gun trigger does not ener-gize weld control or welding wire. Secure plug PLG4 in 115 volts ac receptacle (see Sections 2-5). Secure gun plug in Gun Control receptacle RC3 on weld control (see Section 2-2). Check fuse F1 and replace if n...

Page 13 - SECTION 5 – ELECTRICAL DIAGRAM

OM-185 480 Page 11 SECTION 5 – ELECTRICAL DIAGRAM SC-155 058-B Figure 5-1. Circuit Diagram

Page 14 - SECTION 6 – PARTS LIST

OM-185 480 Page 12 SECTION 6 – PARTS LIST Figure 6-1. Complete Assembly Of HWC-115A 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 14 26 33 36 37 40

Page 16 - Notes

Page 19 - (Equipment with a serial number preface of “LA” or newer)

Warranty Questions? Call1-877-HOBART1for your localHobart distributor. hobart standard 7/00 ServiceYou always get the fast,reliable response youneed. Most replacementparts can be in yourhands in 24 hours. SupportNeed fast answers to thetough welding questions?Contact your distributor orcall 1-800-33...

Page 20 - Please complete and retain with your personal records.; Resources Available

PRINTED IN USA  2001 Hobart Welding Products. 1/01 Hobart Welding Products An Illinois Tool Works Company600 West Main StreetTroy, OH 45373 USA For Technical Assistance:Call1-800-332-3281For Literature Or Nearest Dealer:Call 1-877-Hobart1 Model Name Serial/Style Number Purchase Date (Date which equ...