TM 9-2320-289-20
3-30.
COOLING SYSTEM SERVICING.
This task covers:
a. Draining
c. Filling
b. Cleaning
INITIAL SETUP:
Manual References
General Safety Instructions
LO 9-2320-289-12
Servicing of engine cooling system
TB 750-651
should only be performed on a cool
engine.
DO NOT remove radiator cap without
first releasing internal pressure.
a.
DRAINING
WARNING
Never remove radiator cap when engine is
water will cause serious burns.
1.
Remove radiator cap (2).
2.
Open radiator petcock (3) and drain coolant into
(1).
hot. Pressurized steam or hot
a suitable container placed under radiator
TA49829
3-88
