TM 5-2420-230-24-2
Cooling System
Thermostat - Inspection (8-06)
B Series Shop Manual
Page 8-13
Thermostat - Inspection (8-06)
Visually inspect the thermostat for obvious damage such
as obstructions caused by debris, broken springs, or stuck
or missing vent pins.
The thermostat can be checked for correct operation.
Requirements
Start to open at 83C [181F].
Fully open at 95C [203F].
L-402