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TROUBLESHOOTING AND REPAIR |
INPUT RECTIFIER TEST (continued)
TABLE F.2 — INPUT RECTIFIER TEST POINTS AND ACCEPTABLE READINGS.
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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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.
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.
