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 TM 9-2320-366-20-1
d1. ENGINE OVERHEATS
INITIAL SETUP
Equipment Conditions
Tools and Special Tools
Engine shut down (TM 9-2320-366-10-1).
Tool Kit, Genl Mech (Item 46, Appendix C)
Test Kit, Radiator (Item 41.1, Appendix C)
Personnel Required
Pressure Tester, Radiator (Item 26, Appendix C)
(2)
Pan, Drain (Item 24, Appendix C)
Wrench, Torque, 0-200 lb-in. (Item 59, Appendix C)
NOTE
Perform engine troublesh ooting a9. ENGINE
OVERHEATS prior to beginning this task.
START
WARNING
CAUTION
Read WARNING and
CAUTION on
KNOWN INFO
TEST OPTIONS
following page.
1.
Visual Inspection
Coolant level OK.
Radiator core free of debris.
Is radiator secure
REASON FOR QUESTION
WATER TEMP gage OK.
and free from damage?
If leaks or damage are present,
POSSIBLE PROBLEMS
radiator is faulty.
Faulty radiator.
Faulty upper and lower coolant
hoses.
Faulty radiator cap.
NO
Faulty radiator overflow tank
and hoses.
Loss of pressure in cooling
system.
Faulty radiator fan shroud.
Faulty water pump.
Faulty thermostat.
YES
Replace radiator (para 6-2).
Faulty fan clutch.
Change 2
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