PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
INCLUDING LUBRICATION INSTRUCTIONS - CONTINUED
NOT FULLY MISSION
e. If previous PMCS check found that
coolant level was low, add coolant as
(1) Turn knob one-quarter turn
clockwise (to the right), and
open access door.
WARN I N G
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 sys-
tem, then remove cap. Failure to follow this warning
may cause serious burns.
Wear effective eye, glove, and skin protection when
handling coolants. Failure to follow this warning
may cause injury to personnel.
(2) Wipe filler cap clean with a rag.