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TM 9-2320-360-20-1
Check fan assembly and
shroud for damage.
FAN CONTROL VALVE TEST
NOTE
WATER TEMP gage must
read approximately 195 °F
(91 °C)
and AIR PRESS
gage read between 100-120
psi (690-827 kPa) before
fan control valve can be
checked.
(1)
Start engine (TM 9-2320-360-10).
(2)
Run engine until WATER TEMP gage reads
195 °F (91 °C) and AIR PRESS gage reads
between 100-120 psi (690-827 kPa).
(3)
Shut off engine (TM 9-2320-360-10).
(4)
Loosen air hose no. 2759 on fan control
valve.
(5)
Check if air is coming out of fitting on fan
control valve.
(6)
Tighten air hose no. 2759 on fan control
valve.
WARNING
Always use caution
when approaching a hot
engine. Failure to do so
may result is serious
burns.
Feel upper radiator hoses when engine is
hot.. Thermostats are working properly if
hoses feel warm.
Change 2 2-443
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