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Page Title:
DRIVER'S AIR PURIFIER CIRCUIT. (Cont) |
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 TM 9-2350-238-20-1
2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).
Step 4.
Disconnect lead 10 from circuit breaker. Place red probe in lead 10.
Ground black probe. Set MASTER switch ON. If multimeter indicates
about 24 volts, replace circuit breaker. Refer to page 2-584. If multimeter
indicates no voltage, troubleshoot master switch circuit. Refer to page 2-85.
Set MASTER switch OFF. Connect lead.
Step 5.
Disconnect lead 415 from output side of circuit breaker. Place red probe in
circuit breaker. Ground black probe. Set MASTER switch ON. If
multimeter indicates about 24 volts, go to step 6. If multimeter indicates no
voltage, replace circuit breaker. Refer to page 2-584. Set MASTER switch
OFF. Connect lead.
2-368
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