AIR CLEANER BLOWER CIRCUIT. (Cont) - TM-9-2350-238-20-10152

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

Make sure MASTER switch is OFF before repairing

electrical circuits. Failure to observe this warning

could result in injury to personnel.

Step 5.

To access bulkhead disconnect, remove driver's seat, refer to page 2-952;

and remove driver's compartment aft cowl, refer to page 2-928. Discon-

nect wiring harness at bulkhead disconnect. Place red probe in socket G

(lead 345) of plug. Ground black probe. Set MASTER and INST switches

ON. If multimeter indicates no voltage, repair lead 345 from bulkhead

disconnect to INST switch. Refer to page 2-371. If multimeter indicates

about 24 volts, repair lead 345 from bulkhead disconnect to aft air cleaner

centrifugal fan. Refer to page 2-371. Set MASTER and INST switches

OFF. Connect wiring harness at bulkhead disconnect.

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