TM 9-2320-365-20-3
7-22. COOLANT TEMPERATURE LIGHT SWITCH REPLACEMENT
This task covers:
a. Removal
b. Installation
c. Follow-On Maintenance
INITIAL SETUP
Equipment Conditions
Cab raised (TM 9-2320-365-10).
Batteries disconnected (para 7-48).
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
Pan, Drain (Item 24, Appendix C)
Goggles, Industrial (Item 15, Appendix C)
Wrench, Torque, 0-175 lb-ft (Item 57, Appendix C)
Crowfoot Attachment, Socket Wrench (Item 6,
Appendix B)
Materials/Parts
Antiseize Compound (Item 63, Appendix D)
Ties, Cable, Plastic (Item 76, Appendix D)
Antifreeze, Ethylene Glycol, Permanent (Item 13,
Appendix D)
WARNING
• Coolant may be very hot and under pressure
from engine operation. Ensure engine is
cool before performing maintenance. Failure
to comply may result in injury to personnel.
• Wear appropriate eye protection when
working under vehicle due to the possibility
of falling debris.
Failure to comply may
result in injury to personnel.
a. Removal.
(1) Remove radiator cap (1) from radiator overflow tank (2).
(2) Position container under radiator draincock (3).
(3) Open radiator draincock (3) and drain approximately one
gallon (one L) of coolant.
(4) Close radiator draincock (3).
Change 1
7-119
