Sym MAXSYM 400i Service Manual page 237

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Inspection
Wheel axle
Place the wheel axle on a V block, measure its
displacement.
Service limit: 0.2 mm
Bearing
Use finger to move the inner ring of each bearing,
Free play
it shall move smoothly and quietly. Check the
outer ring is securely attached on the wheel hub.
If the motion of the inner ring of the bearing is not
Free play
smooth, or noisy and loose when being moved,
replace with a new one.
Caution
 The bearing shall be replaced in pair.
Wheel
Place the wheel on to a rotation seat to check its
rim wobbling.
Turn the wheel with hand and measure its rim
wobbling value with a dial gauge.
Service limit:
Radial: 2.0 mm (0.08 in)
Axial: 2.0 mm (0.08 in)
Inner
Disassembly
bearing puller
Remove brake disk (5 bolts).
Remove dust seal, bearing and dist collar from left
side.
Remove dust seal and bearing from right side.
Special tools:
Inner bearing puller SYM-6204020
15-6