TM 9-2320-273-20
COOLING SYSTEM.
4-47. FAN CLUTCH ACTUATOR AND VALVE MAINTENANCE (M919) (Continued).
LOCATION/lTEM
ACTION
REMARKS
C. INSTALLATION (Continued).
12. Fan clutch valve (11).
Set in place and secure with
two hex screws (5) and
Iockwashers (4).
13. Wire (1).
Install over terminal and
secure with hex nuts (2).
14. Fan clutch actuator (12).
Coat threads with liquid
Tighten securely with crows
teflon and screw in.
foot wrench.
15. Two tube assemblies (13)
Connect at fan clutch
Note identification tagged
and (14).
actuator (12).
for ease of installation.
16. Two tube assemblies (3).
Connect at fan clutch
Note identification tagged
actuator (12) and fan
for ease of installation.
clutch valve (11).
D. OPERATIONAL CHECK.
17. Engine.
Start up (see TM 9-2320-
273-10).
18. Fan.
Observe that fan begins to
operate when engine water
temperature (gage on instru-
ment panel in cab) rises
above 190°F (88°C) and/
or when fan clutch valve
switch is manually operated
(see TM 9-2320-273-10).
19. Engine.
Shut down (see TM 9-2320-
273-10).
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