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TM 10-3930-643-20
ENGINE, FUEL , EXHAUST AND COOLING TROUBLESHOOTING AND MAINTENANCE .
4-33.
Drive Belts. (Sheet 5 of 5)
ADJUSTMENT
23.
24.
25.
U s i n g d i a l i n d i c a t i n g s c a l e a nd
straight edge, as shown, apply 25
l b - f t a t p o i n t A f o r a l t e r n a t or
drive belts (14) at rear of engine.
Pleasure deflection.
Deflection
should be I-1/32 inches for a newly
installed alternator
d r i v e b e l t
( 1 4 ).
Recheck deflection after 1
h o u r o f o p e r a t i o n.
Deflection
should be 1-3/32 inches.
Maximum
a l l o w a b l e d e f l e c t i o n is
1-3/16
inches.
T O r e t e n s i o n a l t e r n a t or
d r i v e b e l t ( 1 4 ) , l o o s e n a l t e r n a t or
mounting bolt (8) and mounting
nut
(9) and reposition alternator (10)
as required.
U s i n g d i a l i n d i c a t i n g s c a l e a nd
s t r a i g h t e d g e , a p p l y 2 5 l b - f t at
point B of air compressor drive belt
( 1 3 ).
Measure
d e f l e c t i o n .
Inflection should be l-1/16 inches
for newly installed air compressor
drive belt (13).
Recheck deflection
after
1
hour
of
operation.
D e f l e c t i o n s h o u l d b e 3 / 4 i n c h.
Maximum allowable deflection is
1-3/16 inches.
T o r e t e n s i o n a ir
compressor drive belt (13), loosen
air compressor mounting stud
nuts
(15) and turn adjusting bolt (16)
clockwise to tighten air compressor
drive belt (13) and counterclockwise
to loosen,
as required.
Return M10A Forklift to original
equipment condition.
NOTE
END OF TASK
4-145/(4-146 blank)
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