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TM5-4210-229-14&P
4-62. DRIVE BELTS REPLACEMENT (Continued).
REMOVAL
Loosen slack adjustment bolts as necessary on air
compressor, steering pump and/or alternator and re-
move belt from pulley.
INSTALLATION
Install belt on pulley and tighten slack adjustment bolts
on air compressor, steering pump and/or alternator as
necessary.
ADJUSTMENT
CAUTION
Avoid over or under-tightening drive belts.
Loose belts result in slippage which can
lead to belt and pulley glazing, and ineffi-
cient component operation. Once a belt
has become glazed, it will be necessary to
replace the belt. Loose belts can also
place high impact loads on driven compo-
nent bearings due to the whipping action
of the loose belt. Overtightening belts can
lead to bearing damage and early belt fail-
ure.
NOTE
A used belt must never be tensioned to
more than its specified tension limit.
Belt should be cool or warn to the touch,
not hot.
a.
Place tension gauge at the center of the greatest
span.
b.
Measure belt tension using proper tension gauge.
c.
If the belt is below the minimum used belt tension
specification, adjust to specification: new belt 146
lb (650 N).
d.
Run the engine at idle for a minimum of 15 min-
utes, allowing the belt(s) to reseat itself in the
pulleys.
e.
Allow the drive belt to cool, then check the belt
tension with the tension gauge.
f.
Belt tension with either belt should be 67 lb (300
N).
g.
Adjust to proper tension as necessary. Remove
band clamps and nylon ties as necessary to re-
move radiator hoses and piping.
4-63. HOSE AND PIPING REPLACEMENT
This task covers:
a.
Removal
b. Installation
INITIAL SET-UP
Tools
General Safety Instructions
General Mechanics Tool Kit
Engine OFF.
Transmission in (N) neutral.
Parking brake set.
Materials/Parts
Upper Radiator Hose (571967C1)
Lower Radiator Hose (486129C91)
Equipment Condition
Para
Condition Description
4-58
Cooling System Drained
REMOVAL
Remove band clamps and nylon ties as necessary to re-
move radiator hoses and piping.
INSTALLATION
a.
Install radiator hoses and piping and secure with
band clamps and nylon ties as necessary.
b.
Fill cooling system (paragraph 4-58).
4-77
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