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F-22
TEST PROCEDURE
1. Remove input power to the POWER
WAVE
355M/405M machine.
®
2. Using a 5/16" nut driver, remove the case
wraparound cover.
3. Perform
the
Procedure detailed earlier in this section.
4. Locate the input rectifier and associated
leads. See Figure F.4.
5. Carefully remove the silicone sealant
from leads 207, 207A, and 209.
Small Lead "H1"
To Auxiliary Transformer
TROUBLESHOOTING AND REPAIR
INPUT RECTIFIER TEST (CONTINUED)
Capacitor
Discharge
Figure F.4 – Input Rectifier
3/16" ALLEN
BOLTS
C
B
A
POWER WAVE
6. Using a phillips head screwdriver, remove
leads 207, 207A, and 209 from the input
rectifier.
7. Use the analog ohmmeter to perform the
tests detailed in Table F.2.
Wiring Diagram.
8. Visually inspect the three MOV'S for dam-
age (TP1,TP2,TP3). Replace if neces-
sary.
FRONT
REAR
®
355M/405M
See the
#207
#207A
#209
Small Lead "A"
To Circuit Breaker
F-22
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