Kubota M5640SU Workshop Manual page 254

M5640SU, M5640DT-SU, WSM
Spiral Bevel Pinion Shaft and Differential Gear Assembly
1. Take out the differential yoke shaft (9), (10) both sides.
2. Remove the oil seal (6) and internal snap ring (5).
3. Remove the collar (4).
4. Remove the spiral bevel pinion shaft (3) by the pinion shaft
remover (14).
5. Take out the differential gear assembly (2), ball bearing (7) and
shim (8) from left side of front axle case (1).
6. Remove the stake of lock nut (11), and then remove the lock nut
(11).
7. Remove the taper roller bearings (12).
(When reassembling)
• Replace the lock nut (11) and oil seal (6) with new ones.
• Apply grease to the oil seal (6).
• Install the shims and collars to their original position.
• Install the taper roller bearings correctly, noting their direction
and apply gear oil to them.
• When press-fitting an oil seal (6), observe the dimension "A"
described in the figure.
• Be sure to adjust the spiral bevel pinion shaft turning torque with
lock nut (11) after assemble the spiral bevel pinion shaft
assembly.
IMPORTANT
• After adjusting the turning torque stake the lock nut (11)
firmly.
Turning torque of spiral
Factory spec.
bevel pinion shaft
(1) Front Axle Case
(2) Differential Gear Assembly
(3) Spiral Bevel Pinion Shaft
(4) Adjusting Collar
(5) Internal Snap Ring
(6) Oil Seal
(7) Ball Bearing
(8) Shim
(9) Differential Yoke Shaft R.H.
6-S13
FRONT AXLE
0.98 to 1.1 N·m
0.10 to 0.12 kgf·m
0.73 to 0.86 lbf·ft
(10) Differential Yoke Shaft L.H.
(11) Lock Nut
(12) Taper Roller Bearing
(13) Collar
(14) Pinion Shaft Remover
A : Dimension A : 0.5 to 1.0 mm
(0.020 to 0.039 in.)
9Y1210365FAS0016US0
KiSC issued 07, 2009 A