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TM 10-3930-669-20
CONTINUITY TEST
(1)
Disconnect connector from suspect
fan connector.
(2)
Set multimeter select switch to OHMS.
(3)
Check continuity between ground wire
13 and a known good ground.
(a)
If there is no continuity, repair
fan ground wire 13 (see schematic
Appendix F).
(b)
If there is continuity, fan
ground wire 13 is OK.
VERIFY REPAIR
(1)
Set MAIN POWER switch to ON
position (TM 10-3930-669-10).
(2)
Set engine switch to ignition position
(TM 10-3930-669-10).
(3)
Turn ON both fans.
(a)
If both fans do not operate, fault
not corrected. Perform Steps (4)
through (6) below. Repeat
procedure and notify Supervisor.
(b)
If both fans operate, fault
corrected.
(4)
Turn OFF both fans.
(5)
Set engine switch to off position.
(6)
Set MAIN POWER switch to OFF
position.
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