ENGINE COOLANT HIGH TEMPERATURE SWITCH: REMOVAL AND INSTALLATION
REMOVAL
A
B
C
WARNING
Engine must be cool before removing switch.
Removal of switch from hot engine will allow hot
coolant to spurt from switch receptacle, possibly
causing severe burns.
NOTE
Working temperature range of this switch is
+218° to +232°F.
Open powerpack air intake door and lock in position (p
Disconnect 509A electrical connector (1).
NOTE
When switch is removed, coolant will drain
through switch mounting opening. Replacement
switch should be installed immediately to pre-
vent loss of coolant.
Unscrew and remove engine coolant high temperature
switch (2).
INSTALLATION
Reverse removal procedures.
TA311040
6-9
TM 9-2350-267-20