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 TM 9-2320-285-24-1
2-15.
COOLING SYSTEM MAINTENANCE (CONT)
a.
Radiator (cont).
(2)
Testing (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
TESTING (cont)
5
Engine
Coolant hoses
a. Disconnect
at engine
b. Clamp
Attach two blocks of wood and
one C-clamp to the end of
each hose and clamp shut
6
Transmis-
a. Container
Position
Under hoses
sion
b. Transmission
Disconnect
cooling lines
7
Radiator,
a. Radiator filler
Fill
With coolant
top
neck
b. Pressure tester
a. Attach
To radiator filler neck, with
locking ears in line with
entrance notches of filler
neck
b. Press down
On tester, and rotate clock-
wise until locking ears are
stopped by lugs on radiator
filler neck
c. Operate
Until meter indicates 9
pump
pounds pressure
d. Observe
a. If pressure holds steady
meter
for 2 or more minutes,
radiator is okay
b. If pressure drops slowly,
radiator has seepage or
slight leakage. Repair,
or install new radiator
(notify direct support
maintenance)
c. If pressure drops quickly,
radiator has serious
leakage. Repair, or
install new radiator
(notify direct support
maintenance)
e. Remove
Rotate counterclockwise to
remove from radiator filler
neck
2-133
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