wsm STW37 Workshop Manual page 344

STW34, STW37, STW40, WSM
Spiral Bevel Pinion Shaft and Differential Gear Assembly
1. Remove the oil seal (1) and internal snap ring (2).
2. Remove the collar (3).
3. Remove the plug (10), (11).
4. Tap out the spiral bevel pinion shaft (4) to the rear side.
5. Remove the differential gear assembly (6) and shim (7) from left
side of front axle case (5).
6. Remove the stake of lock nut (8) and then remove the lock nut
(8).
7. Remove the taper roller bearings (9).
(When reassembling)
• Tighten up the lock nut (8) until the turning force of the spiral
bevel pinion shaft reaches the factory specification. (See page
6-S11).
• Replace the lock nut (8) and oil seal (1) with new one.
• Apply grease to the oil seal (1).
• Install the same shims and collars before they are removed.
• Install the taper roller bearings correctly, noting their direction,
and apply gear oil to them.
• Stake the lock nut (8) firmly.
(1) Oil Seal
(2) Internal Snap Ring
(3) Collar
(4) Spiral Bevel Pinion Shaft
(5) Front Axle Case
(6) Differential Gear Assembly
6-S9
FRONT AXLE
(7) Shim
(8) Lock Nut
(9) Taper Roller Bearing
(10) Plug (Screw)
(11) Plug
9Y1211109FAS0015US0
KiSC issued 11, 2014 A