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Put a support under the driver to raise front wheel.
Loose front wheel axle① and remove front wheel
assembly.
Remove pinion stand assembly.
Remove front brake disc ②.
Remove front wheel oil seal, front wheel outer bushing,
Bearing 6201-2RS and front wheel middle bushing.
* Note：QJ50QT-22D front wheel removal diagram is available in P85 of the instruction.
7.3.2 Check
7.3.2.1 Axle bent inspection
Put the axle on the V-pedestal and measure the eccentricity
ratio with dial indicator
车轴 shaft
Available limits：Replace if it is above 0.2mm
7.3.2.2 Rim swinging inspection
Put the rim on a precise support and inspect swinging value of rim.
Turn wheel by hand and read the swinging value.
Available limits：
Vertical：Replace if it is above 2mm.
Horizontal：Replace if it is above 2mm.
7.3.2.3 Front wheel bearing inspection
Remove the front wheel axle and front brake disc.
Remove front wheel outer bushing and front wheel oil seal.
Remove bearing.
Remove middle bushing.
Check rolling of bearing.
If it is not rolling, the bearing would have been damaged or
loose, thus requiring replacement.
游隙 clearance 轴向 axial 径向 radial
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