TM-9-2320-279-20-1
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3
TM-9-2320-279-20-1 - Page 518 of 985
TM 9-2320-279-20-l
Section II. RADIATOR
Cooling System Maintenance Instructions
6-2. COOLING SYSTEM SERVICING.
This task covers:
a. Drain Cooling System
b. Fill Cooling System
c.
Follow-on Maintenance
INITIAL SETUP
Models
All
Test Equipment
None
Special Tools
None
Supplies
Antifreeze, permanent, Item 5, Appendix C
Antifreeze, arctic type, Item 6, Appendix C
Inhibitor, corrosion, Item 23.5, Appendix C
Personnel Required
MOS 63S, Heavy wheel vehicle mechanic
References
TB 750-651
Equipment Condition
TM or Para
Condition Description
TM 9-2320-279-10 Shut off engine.
TM 9-2320-279-10 Engine cover open.
TM 9-2320-279-10 Engine side panels
removed.
Special Environmental Conditions
None
General Safety Instructions
None
a.
Drain Cooling System.
WARNING
Radiator cap may be very hot after engine is shut off. Do not touch hot cap or personal
injury may result.
(1)
(2)
Turn radiator cap (1) counterclockwise, slowly, to allow pressure to escape.
Remove radiator cap (1) after pressure escapes.
6-2
Change
3
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