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TM 10-3930-643-20
ENGINE, FUEL, EXHAUST AND COOLING TROUBLESHOOTING AND MAINTENANCE.
4-33.
Drive Belts. (Sheet 3 of 5)
REMOVAL
11.
Slip two alternator drive belts (14)
o f f a l t e r n a t o r p u l l e y , v i b r a t i on
damper pulley and fan and water pump
p u l l e y .
f o r a ir
INSTALLATION
• Prior
b e l t s,
Remove with procedure used
compressor drive belt (13).
C A U T I O N
t o i n s t a l l i ng
drive
inspect
a l l p u l l e y
g r o o v e s f o r w e a r a n d t he
p r e s e n c e o f g r e a s e , o i l , d i r t,
e t c . I f f o r e i gn
m a t e r i a l is
present, it should be removed.
•During installation,
d o n ot
force belts into pulley grooves
by prying with a screwdriver,
pry bar or other tool. Damage to
b e l t s i d e c o r d s m a y r e s u l t .
• Do not use belt dressing on
b e l t s .
• D o n o t t w i s t o r s c a p e b e l t s
w h i l e i n s t a l l i n g o v e r f a n b l a d e s
a s t h i s w i l l d a m a g e b e l t s a n d
s h o r t e n t h e i r l i f e .
• A l t e r n a t o r d r i v e b e l t s m u s t b e
r e p l a c e d a s a m a t c h e d s e t .
12.
W o r k t w o a l t e r n a t o r r i v e b e l t s ( 1 4)
on rear, left side of engine between
t w o f a n b l a d e s i n t o a r e a b e t w e en
r a d i a t o r a n d f a n s h r o u d
a s h i g h a s p o s s i b l e a n d w o r k
a l t e r n a t o r r d r i v e b e l t ( 1 4 ) t o w a r d
e n g i n e , o v e r t o p f a n b l a d e . T u rn
f a n u n t i l n e x t b l a d e i s o n t o p a nd
w o r k a l t e r n a t o r d r i v e b e l t ( 1 4 ) o v er
i t . R e p e a t u n t i l a l t e r n a t o r d r i ve
b e l t ( 1 4 ) h a s b e e n w o r d e d o v e r a ll
b l a d e s , P o s i t i o n a l t e r n a t o r d r i ve
b e l t ( 1 4 ) i n t o v i b r a t i o n d a m p e r
p u l l e y , f a n a n d w a t e r p u m p p u l l ey
a n d a l t e r n a t o r p u l l e y g r o o v e s .
Go to sheet 4
4-143
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