TM 5-5420-226-20-1
SvmtMom-13
DETAILED
TROUBLESHOOTING
PROCEDURE
+
VEHICLE
OPERATION
- POWERPLANT,
RUNNING
(Continued)
Check air cleaner fan motor Dower harness for
~
continuity.
.
I
Second Technician
(Operator’s
Station)
l
First
l
l
l
l
l
Stop engine.
Technician (Top Deck)
Remove fan motor cover from inoperative
air cleaner
(page
).
Disconnect
fan motor power harness connector
from
one of the circuit breakers.
Set multimeter to OHMS Xl scale and zero meter or use
STE/ICE
Test No. 91 (page 4-83).
Connect red probe of meter to fan motor power harness
(CKT 415B) at rear accessory harness connector,
Connect black probe of meter to fan motor power
harness (CKT 415B) at circuit breaker connector,
Check if meter indicates continuity.
Does meter indicate continuity?
Replace fan motor power
harness
(page 7-78).
\
l Replace fan ground electrical
(page 7-12).
I
l Connect fan motor power
harness to rear accessory
harness and to circuit breaker.
b
YES
7
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TA106975
4-286
