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TM 9-2320-364-20-4
6-20
Material/Parts
Antifreeze (Item 19, Appendix C)
Rags, Wiping (Item 67, Appendix C)
This task covers:
a. Drain
b. Fill
c. Follow-on Maintenance
INITIAL SETUP
Equipment Condition
Engine OFF, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
Right fender rear skirt removed, (Para 17-33)
Left fender rear skirt removed, (Para 17-34)
Cab engine access panel removed, (Para 17-24)
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Appendix G)
Drum, Storage 57 gal (Item 21, Appendix G)
Hose, Drain (Minimum length 3 ft.)
(Item 37, Appendix G)
Pan, Drain (Item 47, Appendix G)
6-4. COOLING SYSTEM SERVICE.
Radiator, radiator cap, coolant, and hoses are very hot and pressurized during truck
operation. Let radiator cool before checking hoses. Failure to do so may result in serious
burns to personnel.
Use extreme care when removing radiator pressure cap. Sudden release of pressure can
cause steam flash which could seriously injure personnel. Slowly loosen cap to first stop
to relieve pressure before removing cap completely. After opening, securely tighten cap.
Use clean, thick waste cloth or like material to remove radiator pressure cap. Avoid using
gloves. If hot water soaks thru gloves, personnel could be burned.
(1)
Push down on radiator cap (1) and slowly turn 1/2 turn counterclockwise to relieve pressure.
(2)
Turn radiator cap (1) additional 1/2 turn counterclockwise and remove radiator cap from radiator (2).
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