196 655-A | Hobart Welding Products TM-944C manual

196 655-A

Figure 8-4. Wiring Diagram For 230 Model Effective With Serial No. KK213350 And Following

TM-944 Page 38

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Handler 135 / 175

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Hobart Welding Products TM-944C manual 196 655-A

Contents

Processes TM-944CDescription Table of Contents Symbol Usage − Safety Precautions for ServicingServicing Hazards California Proposition 65 Warnings EMF InformationRadiation can cause interference Overuse can cause Overheating Specifications − SpecificationsVAC Model Duty Cycle And Overheating OutputDuty Cycle % Output Amperes Volt-Ampere Curves − Installation Installing Welding Gun Installing Work Clamp Electrode Negative For Flux Core Wire For Solid WireProcess/Polarity Table Changing Polarity Installing Gas Supply Rating Label Grounded ReceptacleVolt, 20 ampere individual Up to 200 ft 61 m Do not move or operate unit where it could tip 18 in 457 mm of space for airflow= GND/PE L2 L1 230 VAC Electrical Service Guide For 230 VAC Model Installing Wire Spool And Adjusting Hub Tension230 Reference 1996 National Electrical Code NEC Threading Welding Wire Pressure Indicator ScaleBe sure that tip matches wire diameter Reinstall contact tip and nozzle Voltage Switch Power Switch− Operation Controls Weld Parameter Chart For 115 VAC Model Starting Value only − Wire Speed Setting Can be Wire Speed Also Depends on Other variables Such Stick OutElectrode Positive For Solid Wire While Weld Parameter Chart For 230 VAC Model Listed Starting Value Only − Wire Speed Setting can be Metal Etc − Theory of Operation Block Wire Drive Motor Stablizer L1Main Polarity − Troubleshooting Troubleshooting Table GS1 if necessary Clear blockage in gun V8/R5 V9/R6 V10 V11/R9 TM-944 030/.035 Solid 585Or Flux Core 640 Test Equipment Needed Handler 135 600 510700 Control Board PC1 Testing Information 115 VAC Model Control Board PC1 Test Point Values 115 VAC Model Circuit common Control Board PC1 Testing Information 230 VAC Model Control Board PC1 Test Point Values 230 VAC Model − Maintenance Routine MaintenanceDisconnect power before maintaining Overload Protection Drive Motor Protection Turn Off power before replacing contact tip Changing Drive Roll Or Wire Inlet GuideReplacing Gun Contact Tip Disconnect gun from unit Cleaning Or Replacing Gun LinerTo Reassemble Gun Replacing Switch And/Or Head Tube − Electrical Diagrams Model Serial Or Style Number Circuit Diagram Wiring Diagram 194 324-C 194 325-A 196 637-A 196 655-A 195 890-A 195 891-A Handler 135 H-10 Gun − Parts List 11 10 Dia Part Mkgs Description Quantity Optional Options Optional Drive Rolls195 Hobart Welding Products