TM 9-2320-260-10
c. Coolant Surge Tank.
WARNING
Extreme care should be taken when removing surge tank filler cap
(1) if temperature gage reads above 195° F (96° C). Do not add
coolant to cooling system when engine is hot unless engine is
running. Add coolant slowly. Injury to personnel can result.
(1) Remove coolant surge tank filler cap (1). Visually check coolant level. Surge
tank (3) should be half full before operation; slightly above half full after operation.
(2) If it is necessary to adjust coolant level before operation, open draincocks on top
of engine and radiator. Fill surge tank (3) half full, close both draincocks, and reinstall
surge tank filler cap (1). Tighten cap securely.
(3) If it is necessary to add coolant during operation or after operation, follow
WARNING procedure above.
d. Power Steering Oil Reservoir.
(1) The hydraulic power steering reservoir (7) is on left side of engine near radiator.
Check oil level visually through sight glass (8) or with dipstick on filler cap (6). Oil
should be visible slightly above sight glass bottom before operation, or above L (low)
mark on dipstick. Oil will be slightly higher after operation, but still visible in sight
glass (8).
(2) If oil level is low, remove filler cap (6) and add oil as prescribed in LO 9-2320-
260-12. Replace oil filler cap (6), tighten securely, and wipe away any spilled oil.
e. Fuel Filter/Water Separator.
(1) Service Operation.
(a) The combination fuel filter/water separator under left front fender requires
daily maintenance, normally after operation. Two draincocks must be opened, drained,
and then closed for service.
(b) Open fuel line inlet draincock (9), located near top of fuel filter/water
separator.
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