Lincoln Electric SVM104-A Welder User Manual


 
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TROUBLESHOOTING & REPAIR
PRO-CUT 60
F-50
TORCH HEAD REMOVAL/REPLACEMENT
REMOVAL/REPLACEMENT
PROCEDURE
NOTE: See Figure F.18.
1. Disconnect input power to the
machine.
2. Perform the CAPACITOR
DISCHARGE PROCEDURE.
3. Disconnect and remove the
torch cable assembly from the
bulkhead compartment.
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). NO voltage should
be present. If a voltage is
present, STOP. Perform
Capacitor Discharge Test
again. If no voltage is
present, continue test
procedure.
FIGURE F.18-Torch Head Removal/Replacement
4-PIN CONNECTOR
ELECTRODE LEAD
PILOT LEAD
PHILLIPS HEAD SCREW
HANDLE
SAFETY LEADS
BRASS COMPRESSION NUT
CABLE STRAIN RELIEF
ALIGNMENT HOLE