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TROUBLESHOOTING & REPAIR |
TORCH, TORCH CABLE ASSEMBLY, INTERNAL TRIGGER,
AND SAFETY CIRCUIT TEST
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TORCH AND CABLE
RESISTANCE TEST
PROCEDURE
1.Turn
2.Disconnect main power supply to machine.
3.Perform the CAPACITOR DISCHARGE PROCEDURE.
4.Disconnect and remove the torch cable from the bulkhead com- partment. See Figure F.3.
a.Locate the torch cable access door on the Right Case Side Assembly of the machine.
b.Remove the one sheet metal screw on the
c.Test for a voltage across the stud marked WORK and the bulkhead connector (brass fitting). NO voltage should be present. If a voltage is present, STOP. DO NOT perform this test. Contact the Lincoln Electric Service Department. If no voltage is present, continue test procedure.
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Right Case Side Assembly
Torch
Cable
Access
Door
➁ | ➂ |
➀ | ➃ |
| ➄ |
| PILOT |
| ➅ |
| ➆ |
➈ | WORK |
➇ |
|
➀ Strain Relief Clamp | ➄ Pilot Lead |
➁ | ➅ Bolt Hole |
➂ Bulkhead Connector | ➆ Work Stud |
(Brass Fitting) | ➇ Work Lead |
➃ Gas Line | ➈ Cable Boot |
FIGURE F.3 - Torch Cable Connections |
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