BOMBARDIER 1980 Shop Manual page 226

SECTION 05
SUB-SECTION 02 (DRIVE BELT)
TROUBLE SHOOTING
1. Uneven belt wear on one side only.
"-
Uneven wear
"-
...
CAUSE REMEDY
~~
...........
a) Loose engine mount. a) Tighten engine mount nuts
equally.
f5>
f\
b) Pulley misalignment. b) Align pulleys.
c) Rough or scratched pulley c) Repair or replace pulley
l---l.lfi ,
surfaces. half.
2. Belt glazed excessively or having baked appearance.
CAUSE REMEDY
\~~ :~
Excessive slippage caused by:
a) Insufficient pressure on belt
a) Check drive pulley for worn
~~~cl
sides. or missing
flyweights! rollers.
~~
b) Rusted drive or driven pul- b) Clean shaft with steel wool
q
:--<
ley shafts.
and lubricate with low tem-
a
1~
perature grease.
~Ob&~o
)
c) Oil on pulley surfaces. c) Clean pulley surfaces with
fine emery cloth and clean
~~&~~
cloth.
d) Incorrect centrifugal gover- d) Install correct governor.
nor.
3. Belt worn excessively in top width.
CAUSE
REMEDY
.... ConSiderable
a) Excessive slippage due to a) Carry out inspection.
use
irregular outward actuation b) Repair or replace pulley.
movement of drive pulley.
c) Using unspecified type of
b) Rough or scratched pulley belt.
surfaces.
Replace belt with correct
c) Improper belt angle . Bombardier belt.
... New belt
d) Considerable use.
d) Replace belt if 3 mm ('\")
less than recommended
width (see Technical Data).
4. Belt worn narrow in one section.
CAUSE
REMEDY
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Excessive slippage in drive
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pulley caused by:
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a) Frozen or too light track.
a) Liberate track from ice or
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check track tension and
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alignment.
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b) Drive pulley not functioning
b) Repair or replace drive pul-
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properly.
ley.
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c) Engine idle speed too high.
c) Reduce engine RPM.
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d) Incorrect belt length.
d) Using unspecified type of
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belt. Replace belt with car-
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rect Bombardier belt.
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e) Incorrect pulley distance.
e) Readlust to speCifications.
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(DRIVE BELT), PAGE 4