Mitsubishi Eclipse Workshop Manual page 50

ENGINE - Timing
Belt
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TIMING
BELTS
The
timing belts must
be checked closely. should the
followingf
defects be evident,
replace
the belt with a new
one.
(1)
Hardened back surface rubber
Glossy, non-elastic, and so hard that no mark is produced
even when scratched by
a
fingernail.
INSPECTION
(2) Cracked back surface
rubber.
(3) Cracked
or
separated
canvas.
(4) Cracked
tooth
bottom.
(5) Cracked
side.
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Rounded belt
side
A
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Abnormat
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(fluffy
canvas
fiber) I
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Rubber
exposed
Tooth missing
and
canvas
fiber
exposed
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(6) Abnormal wear
on
side.
NOTE
Normal belt should have clear-cut sides as if cut by a sharp
knife.
(7) Abnormal wear on teeth.
Initial stage:
Canvas
on
load side tooth flank
worn (Fluffy canvas
fibers. rubber gone and color
changed
to
white.
and
unclear canvas texture)
Final stage:
Canvas
on load side tooth flank worn down
and rubber
exposed (tooth
width
reduced)
(8) Missing tooth.
C
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TENSIONER PULLEY
AND
IDLER PUTLEY
(1) Tum
the pulleys to
check
for possible binding, excessive
play, and unusual noise. Replace
the pulley if
any
of these
defects is
evident.
(2)
Replace
if
there is a grease
leak.
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