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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 8.
Disconnect connector (lead 415) from air purifier motor. Place red probe in
connector. Ground black probe. Set MASTER switch ON. Set AIR
PURIFIER SWITCH ON. If multimeter indicates about 24 volts, go to step
9. If multimeter indicates no voltage, repair lead 415 between air purifier
and AIR PURIFIER SWITCH. Refer to page 2-371. Set MASTER switch
OFF. Set AIR PURIFIER SWITCH OFF. Connect connector.
Place red probe on air purifier connector. Ground black probe. If multim-
Step 9.
. eter indicates continuity, replace air purifier. Refer to page 2-1176. If mul-
timeter indicates infinity, repair GND lead. Refer to page 2-371.
2-370
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