Lincoln Electric POWER WAVE SVM173-A - Manual (Page 62)

TROUBLESHOOTING & REPAIR
F-16 F-16
POWER WAVE 455M/MSTT Retur
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NEG (-)
POS (+)
A
B
C
INPUT
RECTIFIER
FIGURE F.4 – INPUT RECTIFIER TEST
INPUT RECTIFIER TEST (CONTINUED)
TEST PROCEDURE
1. Remove input power to the Power Wave
455M.
2. Using the 3/8” nut driver, remove the case
top.
3. Perform the Capacitor Discharge
Procedure.
4. Locate the Input Rectifier and lead locations.
Refer to Figure F.4.
NOTE: Some silicone sealant may have to be
removed from the input rectifier termi-
nals. The G.E. silicone or equivalent
should be replaced when test is com-
plete.
5. With the phillips head screw driver remove
the positive and negative leads from the rec-
tifier.