Lincoln Electric 11937 Service Manual page 40

F-26
RECTIFIER REMOVAL AND REPLACEMENT PROCEDURE (continued)
7/16" MOUNTING
BOLTS
PROCEDURE
1. Remove the input power to the machine.
2. Perform the Case Cover Removal Procedure.
WARNING
ELECTRIC SHOCK can kill.
• Have an electrician install and
service this equipment. Turn the
input power OFF at the fuse box
before working on equipment. Do
not touch electrically hot parts.
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3. Label and remove the leads going to the rec-
tifier.
4. Using a 7/16" nutdriver, remove the two rectifi-
er mounting bolts. See Figure F.7, take note of
washer placement.
TROUBLESHOOTING AND REPAIR
FIGURE F.7 – RECTIFIER MOUNTING BOLTS
WIRE FEEDER WELDER (180 MODEL)
CONTROL
5. Remove the rectifier.
6. When re-installing the rectifier, torque the
mounting bolts to 55 inch/lbs.
7. When re-installing the leads, clean with an
abrasive cleaning pad and apply a thin coat of
electrical joint compound. Torque connections
to 55 inch/lbs.
F-26
LEADS