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TM 5-4210-233-14&P-1
4-135. ALTERNATOR BELT
This task covers:
a.
Adjustment
c.
Installation
b.
Removal
d.
Follow-on Maintenance
TOOLS REQUIRED
EQUIPMENT CONDITION
Tool Kit, General Mechanics, Automotive
Main Engine Shutdown (see para 2-12.)
(Appendix B, Section IIl, Item 1)
APU Shutdown (see para 2-16.)
Batteries Disconnected (see para 4-114.)
Engine Compartment Covers Open
a.
Adjustment
(1) Depress belt midway between pulleys.
When properly adjusted belt should
depress 1/2 to 3/4 inch (12.7 to 19.0 mm).
Adjust tension as follows:
(2) Loosen nut (1) to loosen alternator (4) in its
mounting.
(3) Loosen nut (5) away from nut (3).
(4) To increase belt tension, turn nuts (2 and 3)
counter-clockwise.
(5) To decrease belt tension, turn nuts (2 and
3) clockwise.
(6) When proper belt tension is achieved,
tighten nut (5) against nut (3).
(7) Tighten nut (1) to hold alternator (4) in
position.
4-396
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