Track; Adjusting The Track - Yamaha SL292C 1971 Service Manual

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DRIVE TRAIN
&
CHASSIS MAINTENANCE -
Track, Adjusting the Track
9-7
TRACK
The track should be checked for correct adjustment before
any long trip and after replacement.
Check the track tension as shown in the picture. The
deflection shoLild be 1 '' (25 mm) when pulled by a 22 lbs.
( 10 kg) force. Loosen pivot arm nuts on right and left
sides and make adjustment to bring the slack within
tolerance. Be sure to make adjustment equally to each side
so that basic track alignment is maintained.
9-8 ADJUSTING THE TRACK
1. The track adjust screws shou ld be tightened little by
littl e and alternately between the right and the left
sides. If they are tightened one by one and with a
quick motion, the rear arm may be deformed.
2. The tension of the track should be adjusted, with the
rear pivot screw nut loose I y tightened.
-
-
-
,
,.
~...._--./
,...,..._1
''or
0.4''
(25 mm or 15 mm)
Fig. 9-16
c " i1• • ··'····
...
,. ··'''
~22
lbs.
( 10 kg)
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3. The deflection of the track should be 1 '' (25 mm),
when pulled by a 22 lbs. (10 kg) force.
4. Turn the track by running the engine with the rear of
the machine raised, and make sure that the tension of
the track is even at both sides. If the tension is uneven,
it should be adjusted in the fo;lowing manner.
A
Sprocket wheel Rear arm Rear arm
B
A B
(N.G)
A<B
When shifted to right.
Properly tighten the right track adjust screw
and loosen the left track adjust screw.
0. 1"
(3 mm)
A 8
Good
A=B
Fig. 9-17
5. After the track tension is adjusted correctly, the
clearance bet ween the track and the rear arm shou Id be
about 0.1 '' (3 mm).
0. 1"
(3 mm)
When shifted to left.
D
A B
(N.G)
A>B
Properly tighten the left track adjust screw
and loosen the right track oojust screw.
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loose, drive a cotter pin into the rear pivot screw.
Then, bend the adjust screw lock washer to lock the
adjust screw.
The amount of clearance should be equal at both right
and left tracks.
Note:
6. There must be a clearance between the frame and the
rear arm so that the rear arm can operate correctly.
7. Fully tighten the rear pivot bolt nuts, and retighten the
track adjust bolts. To prevent the nut from becoming
-79-
If the track shows excessive wear, it should be
replaced. Also, if the reinforcement rods are exposed,
the track should be replaced and alignment checked
prior to running the new track.
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