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TM10-3930-660-20
7-3.
RADIATOR SERVICE/REPLACE/TEST (Cont’d)
m. Remove two clamps (9) securing cab
heater hoses (6) and (10) to
two connectors (11).
“Tag and
remove hoses (6) and (10) from
connectors (11).
Discard clamps
(9).
n. Allow all cleaning solution to
drain from the cooling system.
3. FILL ENGINE COOLING SYSTEM WITH
COOLANT.
a. Position cab heater hoses (6) and
(10) on two connectors (11), as
tagged, and secure with two new
clamps (9).
b. Connect hose (8) at bottom of
overflow bottle (1).
c. Close drain cock (7) at bottom of
radiator (2).
d. Open cap (3) of overflow tank
(1) and add two quarts of coolant.
Close cap (3).
e. Slowly fill the radiator (2)
through the filler neck with
coolant until coolant begins to
run out of drain cock (5) at top
front of engine.
Close drain cock
(5).
Continue filling radiator
until coolant level reaches filler
f.
9.
neck.
Clean seal on radiator cap (4) and
install radiator cap to radiator
(2) l
Run the engine until normal engine
operating temperature is reached.
Check for coolant leaks.
Turn
heater on and make sure heated air
is being emitted.
7-6
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