Lincoln Electric PRO-CUT 60 SVM104-A Service Manual page 57

TROUBLESHOOTING & REPAIR
TORCH, TORCH CABLE ASSEMBLY, INTERNAL TRIGGER,
AND SAFETY CIRCUIT TEST
TORCH AND CABLE
RESISTANCE TEST
PROCEDURE
1. Turn PRO-CUT 60 ON/OFF
Power Switch to OFF.
2. Disconnect main power supply to
machine.
3. Perform the
DISCHARGE PROCEDURE.
4. Disconnect and remove the torch
cable from the bulkhead com-
partment. See Figure F.3.
Torch
Cable
Access
Door
FIGURE F.3 - Torch Cable Connections
CAPACITOR
Right Case Side Assembly
Strain Relief Clamp Pilot Lead
4-Pin Connector Bolt Hole
Bulkhead Connector Work Stud
(Brass Fitting) Work Lead
Gas Line Cable Boot
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 left-hand side
of the access door and swing
open the door.
c. Test for a voltage across the stud
marked WORK and the bulkhead
connector (brass fitting).
voltage should be present. If a
voltage is present, STOP.
NOT perform this test. Contact
the Lincoln Electric Service
Department. If no voltage is
present, continue test procedure.
PILOT
WORK
F-16
NO
DO
PRO-CUT 60