TM 5-5420-226-20-1
Symptom-
14
DETAILED
TROUBLESHOOTING
PROCEDURE
VEHICLE
OPERATION
- POWERPLANT,
RUNNING
(Continued)
~
NOTE
If your
vehicle
does
not
have
a
smoke generator, go to Step @
.
/check
air cleaner fan motors without smoke
generator switch harness installed.
Second Technician
(Operator’s
Station)
l Set MASTER BATTERY switch OFF.
First Technician
(Commander’s
Station)
l
l
l
Remove right-hand
floor access cover (page 17-9).
Disconnect
smoke generator
switch harness from air
cleaner blower relay and front accessory harness.
Connect front accessory harness (CKT 415A) to air
cleaner blower relay.
Second Technician
(Operator’s
Station)
l Start engine.
First Technician
(Air Cleaner)
l Check air cleaner fan motors for operation.
Second Technician
(Operator’s
Station)
l Stop engine.
Are air cleaner fan motors operating?
/
/
FLOOR
ACCESS
HOLE
(COMMANDER’S
STATION)
AIR CLEANER
BLOWER
RELAY
4
FOR CLARITY
QUADRANT
ASSEMBLIES
NOT SHOWN
Replace smoke generator
switch harness (page 21-16).
TA106979
4-290
