ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
g. Allow the engine to operate while observing multimeter.
h. Ohms indication should decrease as temperature rises.
i. Shut down generator set and disconnect negative battery cable
j. Replace coolant temperature sender if indications are not as above
k. If replacement is not needed, connect electrical lead to sender.
I. Close right side engine access door.
m. Connect negative battery cable and close battery access door.
2.106.2. Removal.
a Shut down generator set.
b. Open battery access door and disconnect negative battery cable
Coolant can get very hot. Allow system to cool down before performing
maintenance. Failure to follow this warning could result in severe burns
and injuries.
Always remove radiator cap slowly to permit pressure to escape. Fail-
ure to follow this warning could result in severe personal injury.
c. Slowly remove radiator cap (1, FIGURE 2-23).
d. Open left side engine access door and open engine block drain valve (1, FIGURE 2-32) and drain coolant into suit-
able container. Close drain valve.
e. Open right side engine access door and disconnect coolant temperature sender (3, FIGURE 2-31) electrical lead.
f. Unscrew temperature sender (3) from engine head.
2.106.3. Cleaning and Inspection.
a. Shut down generator set.
b. Remove coolant temperature sender, paragraph 2.106.2.
Dry cleaning solvent is flammable and toxic to eyes, skin, and respirato-
ry tract. Skin/eye protection required. Avoid repeated/prolonged con-
tact. Good general ventilation is normally adequate.
Use low pressure air, 15 psi maximum. Wear protective glasses when
using compressed air. Failure to follow this warning could result in se-
vere personal injury.
c. Clean temperature sender with dry, filtered compressed air and cleaning cloth (Item 7, Appendix C) lightly moist-
ened with dry cleaning solvent (Item 18, Appendix C).
2-150
