.
TM 5-5420-226-20-1
Symptom-49
DETAILED
TROUBLESHOOTING
PROCEDURE
FROM
STEP
o8
1
I
1
.
.
SUPPORT
SYSTEM
- COMMUNICATIONS
(Continued)
OPEN TOP DECK GRILLE DOORS
(LEFT SIDE)
Check if static is caused by air cleaner blower
motors.
First Technician (Commanders
station)
l Turn off radio set (TM 5-5420-226-10).
First
Technician
(Top
Deck)
l Open top deck grille doors to gain access to left and
right
air cleaner
assemblies.
l Disconnect
rear
accessory
to bulkhead
harness
connectors
(CKT
4 15B) from
the left and
right
air
cleaner
assemblies,
Second
Technician
(Operators
Station)
l Start engine.
l Set PERSONNEL
HEATER
HI/LO
switch
OFF,
l
First
Technician
(Commanders
Station)
l Turn on radio set (TM 5-5420-226-10).
l Listen for static in radio helmet.
Did static stop when air cleaner blowers were
disconnected (engine running)?
m
)y_p&//,
A
FOR CLARITY QUADRANT
ASSEMBLIES NOT SHOWN
n
l Check If static is caused by
left air cleaner assembly.
.
.-
TA107228
4-539