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4.3 Rear wheel
4.3.1 Disassembly
Loosen rear axle nut
Disassemble rear axle nut and take down chain from chain wheel
seat
Disassemble rear axle
Disassemble rear wheel
4.3.2 Inspection
4.3.2.1 Check the bending of axle
Put axle on V-style seat and measure its eccentricity ratio with dial
indicator
Use limits: change over 0.2mm
4.3.2.2 Wheel Shimmy Inspection
Rotate the wheel by hands and measure its eccentricity with a dial
gauge.
Service limit:
Longitudinal: Replace it when the measured value exceeds
2.0mm.
Transversal: Replace it when the measured value exceeds
2.0mm.
When rear wheel shimmy exceeds service limit, rear wheel bearing is loosened, which results in wobbly rear
wheel. Check and replace rear wheel bearing.
Axle
Rear swing
ar
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