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F-33
TROUBLESHOOTING AND REPAIR
F-33
POWER WAVE 455/POWER FEED 10
9. If the input rectifier is good, be sure to
reconnect the positive and negative
leads to the correct terminals and
torque to 31 in/lbs. See wiring diagram.
10. Replace any RTV sealant previously
removed.
11. Install the case top.
7. If the input rectifier does not meet the
acceptable readings outlined in the
table, the component may be faulty.
Replace.
NOTE: Before replacing the input rectifier,
perform the
Switch Board Test
and the
Input Contactor Test.
8. When installing a new input rectifier,
see
Input Rectifier Removal and
Replacement
procedure.
TABLE F.2 — INPUT RECTIFIER TEST POINTS AND ACCEPTABLE READINGS.
INPUT RECTIFIER TEST
(continued)
TEST POINT TERMINALS ANALOG METER X10 RANGE
+ Probe - Probe Acceptable Meter Readings
A NEG Greater than 1000 ohms
B NEG Greater than 1000 ohms
C NEG Greater than 1000 ohms
A POS Less than 100 ohms
B POS Less than 100 ohms
C POS Less than 100 ohms
NEG A Less than 100 ohms
NEG B Less than 100 ohms
NEG C Less than 100 ohms
POS A Greater than 1000 ohms
POS B Greater than 1000 ohms
POS C Greater than 1000 ohms
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