e. Use the magnetic rod to remove the steel ball.
f. Remove the drive sprocket and needle bearing
Caution: When install the drive sprocket, it should use the plug
gage to measure the drive sprocket axial clearance and ensure
within 0.19-0.338mm
g Remove the drive geared sleeve
h. Use the magnetic rod to remove the steel ball.
i. Dismantle the drive gear sleeve.