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TROUBLESHOOTING & REPAIR
F-67 F-67
RANGER 305D
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CHOPPER MODULE RESISTANCE TEST (continued)
(+) Lead (-) Lead
Diode Bias
and Expected
Test Result
B5 B6 6K to 9K
B6 B5 6K to 9K
B4 B5 200k or higher
B5 B4 400k or higher
B4 B6 200k or higher
B6 B4 400k or higher
B2 B3 6K to 9K
B3 B2 6K to 9K
B4 B2 200k or higher
B2 B4 400k or higher
B4 B3 200k or higher
B3 B4 400k or higher
TABLE F.2 – DIODE TEST TABLE
OHMMETER
OHMMETER
READING
Chopper Terminal Connections
5. Reconnect all leads.
6. The chopper module screw connection should be lightened to 50-60 inch-pounds.
7. Perform the Case Cover Replacement procedure.