Sym PA12B Service Manual page 182

Inspection
Wheel axle
Put the axle on a V-block and measure the run
out.
Service limit：0.2 mm
Bearing
Turn the inner ring of each bearing to check if
it rotates smoothly and quietly.
Meanwhile, check if the outer ring fits the
wheel hub closely.
If the bearing doesn't rotate smoothly or
quietly, replace it with new one.
Caution
The bearing should be replaced in pairs.
Wheel rim
Place the rim in a rotating stand.
Spin the rim by hand and measure the runout
by using a dial indicator.
Service limit：Radial
Axial
Brake drum
Inspect the brake drum inner diameter.
Service limit：132.0mm
Refer to chapter 10 for brake system
inspection.
To this chapter contents
12. Rear Wheel / Rear Cushion / Swingarm
2.0mm
2.0mm
Clearance
Clearance
12-5