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7.3.2 Check
7.3.2.1 Check the bending of the wheel spindle
Place the wheel spindle on the V-base and measure the
eccentricity ratio with a dial indicator.
Limit for use: replacement when beyond 0.2mm
7.3.2.2 Check the rim shimmy
Place the rim on a precision bracket
and check the rim shimmy.
Rotate the wheel by manual and read indication.
（车轴：spindle）
Limit for use:
Vertically: replacement when beyond 2.0mm
Horizontally: replacement when beyond 2.0mm
7.3.2.3 Check the front wheel bearing
Remove the front wheel spindle and the front brake disc.
Remove the left bushing and the oil seal of the front wheel.
Remove the bearing.
Check rolling of the bearings.
The bearings will not roll if abraded or loosened. Replace it.
（游隙clearance 轴向axially 径向radially）
7.3.3 Bearing replacement
Remove the front wheel spindle, front wheel, middle
spindle sleeve and left spindle sleeve; then remove the oil
seal and the bearing respectively with oil seal remover and
bearing puller.
Note: replace dismantled bearings with new ones.
Lubricate the bearings with grease during installation.
Then press the bearings in with bearing installation tools.
* Note
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