KEEWAY FACT 50 4T Maintenance Manual page 140

Remove the guide pin.
Remove the weldment on the left half driven wheel.
Remove the oil seal on the left half driven wheel.
Check the free length of the clutch spring.
Limit for use: 93mm。
（自由长度：free length）
Check abrasion of the driven wheel.
Measure the outer diameter of the bushing on the right half
driven wheel.
Limit for use: 33.95mm。
Measure the inner diameter of the sliding sleeve on the left
half driven wheel.
Limit for use: 34.064mm。
14.6.1 Replacement of the bearing on the
right half driven wheel
Remove the needle bearing from the right half driven wheel.
Remove the elastic retainer ring and the outer rolling bearing.
Note:
Removed bearing cannot be used any more.
bearing）
（滚针轴承：needle bearing 弹性挡圈：elastic retainer ring 滚动轴承：rolling
Weldment on the left half driven
wheel
Guide pin
Right half driven wheel
140
Oil seal
Left half driven wheel