Lincoln Electric SVM178-B Welding System User Manual


 
OUTPUT
RECTIFIER
BRIDGE
2 7/16"
BOLTS
2 7/16"
BOLTS
2 1/2"
NUTS
CHOPPER
MODULES (2)
HEATSINKS
FIGURE F.19 – DOOR REMOVAL
OUTPUT RECTIFIER REMOVAL AND
REPLACEMENT PROCEDURE (continued)
PROCEDURE
1. Turn the engine off.
2. Perform the output panel removal as described in
the Case Cover Removal procedure.
3. Perform the Chopper Module Capacitor
Discharge procedure.
4. Using the 7/16" wrench, remove the appropriate
stator leads and AC terminals leads. Refer to
Figure F.19. Label the leads for reassembly.
5. Using 7/16” socket remove 4 bolts holding power
module assembly to base.
6. Remove power module assembly.
7. Using 1/2” socket, remove output rectifier assem-
bly and replace.
8. Reverse procedure for assembly.
TROUBLESHOOTING AND REPAIR
F-58 F-58
VANTAGE® 500
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