ARMY TM 9-6115-645-24
AIR FORCE TO 35C2-3-444-12
MARINE CORPS TM 09244A/09245A-24/2
SECTION XII. MAINTENANCE OF COOLANT SYSTEM
2-76
COOI ANT SYSTFM.
2-76.1
Testing.
a.
Shut down generator set.
WARNING
Coolant can get very hot. Allow system to cool down before performing
maintenance. Failure to follow these Instructions could result In severe bums and
Injuries.
WARNING
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.
Release pressure from pressure tester and remove from radiator neck
g.
Install radiator cap (1) on pressure tester.
h.
Pump pressure tester until 7 psi (± 1) is indicated and ensure radiator cap releases.
i.
Release pressure from pressure tester and remove cap.
j.
Install radiator cap (1).
k.
Close engine access doors.
2-76.2. Service.
a.
Shut down generator set.
b.
Open left side engine access doors.
c.
Flush or drain coolant system in accordance with Preventative Cleaning procedures contained in TM 750-
254.
d.
Close engine access doors.
2-77
RADIATOR FILLER HOSE AND PANEL.
2-77.1. Removal.
a.
Shut down generator set.
b.
Open engine access doors.
c.
Remove generator housing top panel, paragraph 2-16.1.
WARNING
Make sure DEAD CRANK switch Is OFF. Failure to follow this warning could result
In severe personal Injury.
2-108 Change 2
