ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
Section XII. MAINTENANCE OF COOLANT SYSTEM
2.75. COOLANT SYSTEM
2.75.1.
Testing.
a. Shut down generator set
Coolant can get very hot, Allow system to cool down before performing
maintenance. Failure to follow these instructions could result in severe
burns and injuries.
Always remove radiator cap slowly to permit any pressure to escape.
Failure to observe this warning could result in severe injury.
b. Slowly remove radiator cap (1, FIGURE 2-23).
c.
Install coolant system pressure tester (ST255) in radiator neck.
d. Open engine access doors.
e. Pump pressure tester until 8 psi is indicated, check coolant system for leaks.
f.
Pump pressure tester until 7 psi (± 1) is indicated and ensure radiator cap releases.
g.
Release pressure from pressure tester and remove from radiator neck.
h. Install radiator cap (1).
i.
Close engine access doors.
2.75.2.
Service.
a. Shut down generator set.
b. Open left side engine access door.
c.
Flush or drain coolant system in accordance with TM 750-254.
d. Close left side engine access door
2.76.
RADIATOR FILLER HOSE AND PANEL.
2.76.1.
Removal
a. Shut down generator set
b. Open engine access doors.
c. Remove generator housing top panel, paragraph 2.16.1.
WARNING
Coolant can get very hot, Allow system to cool down before performing
maintenance. Failure to follow these instructions could result in severe
burns and injuries.
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