Hobart Welding Products TM-944C manual Installation, Installing Welding Gun Installing Work Clamp

Page 8

SECTION 3 − INSTALLATION

3-1. Installing Welding Gun

1

3-2. Installing Work Clamp

1

2

Tools Needed:

5

3/8, 7/16 in

		1	Drive Assembly
		2	Gun Securing Thumbscrew
		3	Gun End
	4	Loosen thumbscrew. Insert gun
		Loosen thumbscrew. Insert gun
		end through opening until it bottoms
		against drive assembly. Tighten
		thumbscrew.
		4	Gun Trigger Leads
2	3	Insert leads, one at a time, through
		gun opening on front panel.
		Connect female friction terminals to
		matching male terminals in unit.
		Polarity is not important.
		Close door.

Ref. 802 440-A

	3	1	Nut
	3	2	Work Cable From Unit
		2	Work Cable From Unit
		3	Work Clamp
		4	Screw
		5	Work Clamp Tabs

Bend tabs around work cable.

4

802 456

TM-944 Page 6

Return To Table Of Contents

Handler 135 / 175

Image 8

Contents Description TM-944CProcesses Table of Contents Servicing Hazards − Safety Precautions for ServicingSymbol Usage California Proposition 65 Warnings EMF InformationRadiation can cause interference Overuse can cause OverheatingVAC Model − SpecificationsSpecifications Duty Cycle And Overheating OutputDuty Cycle % Output AmperesVolt-Ampere Curves − Installation Installing Welding Gun Installing Work ClampElectrode Negative For Flux Core Wire For Solid WireProcess/Polarity Table Changing PolarityInstalling Gas Supply Rating Label Grounded ReceptacleVolt, 20 ampere individual Up to 200 ft 61 mDo not move or operate unit where it could tip 18 in 457 mm of space for airflow= GND/PE L2 L1 230 VACElectrical Service Guide For 230 VAC Model Installing Wire Spool And Adjusting Hub Tension230 Reference 1996 National Electrical Code NECThreading Welding Wire Pressure Indicator ScaleBe sure that tip matches wire diameter Reinstall contact tip and nozzleVoltage Switch Power Switch− Operation ControlsWeld 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 WhileWeld 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 TableGS1 if necessary Clear blockage in gunV8/R5 V9/R6 V10 V11/R9 TM-944030/.035 Solid 585Or Flux Core 640Test Equipment Needed Handler 135700 510600 Control Board PC1 Testing Information 115 VAC Model Control Board PC1 Test Point Values 115 VAC Model Circuit commonControl 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 ProtectionReplacing Gun Contact Tip Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip To Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit Replacing Switch And/Or Head Tube − Electrical Diagrams Model Serial Or Style Number Circuit Diagram Wiring Diagram194 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 10Dia Part Mkgs Description Quantity Optional 195 Optional Drive RollsOptions Hobart Welding Products