ZONGSHEN ZS250GY-3 Service Manual page 46

locking nut
42
Check friction lining
Disassemble
the fixed bolt
measure the thickness
[11]Disassemble the nut of rear wheel axle and
remove the wheel axle and rear wheel assembly.
[12]Remove friction lining and Measure the
thickness of it with the limit value of repair is
2.0mm.
Check the piston of brake caliper. If it cannot run
normally, fix or replace hydraulic brake.
[13]Disassemble the fixed bolt of brake disc and
remove it.
WARNING
Please smear glue on the bolt before installing
the rear brake disc to avoid bolt looseness.
[14]Check the wear for bake disc.
measure the inner diameter by callipers. The limit
value of repair is 131.0mm.
WARNING
If the value of inner diameter exceed the limit
value, replace it.