PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONTINUED
NOT FULLY MISSION
DO NOT service cooling system unless engine has been
allowed to cool down. This is a pressurized cooling system
and escaping steam or hot coolant will cause serious burns.
DO NOT remove cooling system radiator cap when engine is
hot. Allow engine to cool down. Loosen cap to first stop and let
any pressure out of cooling system, then remove cap. Failure to
follow this warning may cause serious burns.
Wear effective eye, glove, and skin protection when handling
coolants. Failure to do so may cause injury to personnel.
a. Open cap and remove cooling sys-
tem pressure cap.
b. Maintain coolant level between
upper and lower marks on the inside
of the filler neck. If necessary, add a
50/50 mixture of antifreeze (Item 1,