Generic Trigger SM 50ccm, Руководство пользователя, Страница: 53 / 122

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stores.
Inspect rigidity of the driving chain. If it is hard, please
rinse, lubricate or replace it.
Inspect the driving wheel, driven wheel and if 1/4 of
the gear teeth
○
,A
are worn out, replace the chain
wheels. And if gear teeth are bent, replace chain
wheels too.
Inspect the wheel bearing. If the wheel hubcap has bearing
clearance or imbalance in wheel rotation, then replace the
bearing. Inspect whether the oil seal is worn out or
damaged and replace it if necessary.
4.5.3 Relax adjustment of the driving
chain
Place the motorcycle on flat ground and maintain its
upright position.
Inspect the relax degree of the driving chain
○
,a
，
the
value of which should be 30 - 40 mm.
If the value is not in line with the specification, please
make adjustment. Unscrew the axle nut .
Adjust the relax degree of the driving chain. The
adjusting steps are:
Unscrew the locknut and screw or unscrew the adjusting
device until the relax degree conforms to specification.
Screw it in
， and the relax degree will increase ； unscrew it,
and the relax degree will decrease.
Note ：
Finally screw up the lock nut.
4.5.4 ． Installation
Installation is conducted in the reverse order of
disassembly.
Install the driving chain, housing, rear shock absorber (left),
rear wheel and wheel cap of driving chain.
Adjust the relax degree of the driving chain as well as
free stroke of the brake pedal
； if the relax degree is too low,
the engine and other important parts will be overloaded ；
maintain the relax degree within the specified value limit.
Coincide the circle number of each adjusting device so that
the axle shaft can be correctly installed.