ZONGSHEN ZS250GY-3 Service Manual page 40

36
check front
wheel shaft
disassembling
front wheel
shaft
measure the
vibration of
front wheel
check inner/
ouer tyre
[6]Put front wheel on rectification desk and rotate
it in high speed to check the abrasion condition
and free strock. if it is abraded, dismantle it and
replace.
CAUTION
When there is noise or free strock turn wide,
replace it with new beering. And assemble
beering with the oil seal inside.
[7]If front wheel shaft abrade badly, knock it out
by using shaft disassembling tools and replace it
with the new one.
CAUTION
When assembling front wheel shaft, add grease
on it and assemble beering with the oil seal
inside.
[8]Put front wheel on rectification desk to check
the vibration of it. Rotate it with hand and use dial
indicator to test the value and read the value.
Maintainance limit value：
Radial 2.0mm
Axial 2.0mm
CAUTION
If the vibration value is over maintainance limit
value above, rectify or replace it.
[9]Check the abrasion of front outer tyre. The
maintainance limit value of front outer tyre thread
is 2.00mm. If the pressure of front wheel is
insufficient, check whether inner tyre valve core
has leakage,then check whether inner tyre has
leakage.
CAUTION
If inner tyre valve core has leakage, repair or
replace the core, If inner tyre has leakage, fix or
replace inner tyre.