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 TM5-4210-224-14&P
4-136. HEATER HOSES MAINTENANCE.
This task covers:
a. Inspection
c. Installation
b. Removal
INITIAL SETUP :
Equipment Condition
Tools
Para.
Condition Description
General Mechanics Tool Kit
Cooling System Drained
Materials/Parts
Hose (14061346 and 14061347)
General Safety Instructions
Engine OFF.
Transmission in (N) neutral.
Parking brake and micro-brakelock set.
INSPECTION
a.
Visually inspect heater hoses (1 and 2) for
any sign of kinks or leakage.
b.
If any kink or leak is evident, straighten or
replace hoses (1 and 2) if necessary.,
c.
Inspect for loose or missing clamps (3).
Replace as necessary.
REMOVAL
NOTE
Be sure heater fluid is cooled before
replacing heater hoses (1 and 2).
a.
Remove defective hoses (1 and 2) by
unscrewing and detaching hose clamps (3) at
INSTALLATION
each end of defective hose.
a.
Refit replacement hoses (1 and 2) to
b.
Remove hoses (1 and 2)
connection.
b.
Tighten hose clamp (3) firmly. Do not over-
tighten.
c.
Refill cooling system (paragraph 4-72).
4-186
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