wsm B2420 Workshop Manual page 214

B2420, WSM
Spiral Bevel Pinion Shaft and Differential Gear Assembly
1. Remove the internal snap ring (1).
2. Tap out the spiral bevel pinion shaft (2) by the brass rod and
hammer.
3. Take out the differential gear assembly (3) with differential yoke
shafts, from right side of front axle case (4).
4. Remove the stake of lock nut (7) and then remove the lock nut
(7).
5. Remove the taper roller bearings (6).
(When reassembling)
• Apply gear oil to the taper roller bearings (6) and install them
correctly, nothing their direction.
• Replace the lock nut (7) with new ones.
• After tightening the lock nut (7), stake it firmly.
• Install the adjusting collars (5) to their original position.
(Reference)
• Thickness of adjusting collars (8):
3.40 mm (0.134 in.) [Code No. 37410-58160]
3.60 mm (0.142 in.) [Code No. 37410-58170]
3.80 mm (0.150 in.) [Code No. 37410-58150]
3.90 mm (0.154 in.) [Code No. 6C040-56630]
4.00 mm (0.157 in.) [Code No. 37410-58120]
4.10 mm (0.161 in.) [Code No. 37410-58130]
4.20 mm (0.165 in.) [Code No. 37410-58140]
4.40 mm (0.173 in.) [Code No. 37410-56680]
4.50 mm (0.177 in.) [Code No. 6C040-56620]
4.60 mm (0.181 in.) [Code No. 37410-56660]
(1) Internal Snap Ring
(2) Spiral Bevel Pinion Shaft
(3) Differential Gear Assembly
(4) Front Axle Case
Differential Gear
1. Tap out the spring pins (5) and remove the external snap ring
(2), and then pull out the both differential yoke shafts (1), (9).
2. Remove the differential side gears (4).
3. Remove the differential pinions (6).
4. Remove the spiral bevel gear (8) and bearings (7), (11).
NOTE
• Arrange the parts to know their original position.
(When reassembling)
• Apply molybdenum disulfide (Three Bond 1901 or equivalent) to
the inner circumferential surface of the differential side gears (4)
and differential pinions (6).
• Be sure to install the spring pins (5) as shown in the figure.
(1) Differential Yoke Shaft R.H.
(2) External Snap Ring
(3) Thrust Collar
(4) Differential Side Gear
(5) Spring Pin
(6) Differential Pinion
6-S10
FRONT AXLE
(5) Adjusting Collar
(6) Taper Roller Bearing
(7) Lock Nut
(8) Collar
9Y1210436FAS0015US0
(7) Ball Bearing
(8) Spiral Bevel Gear
(9) Differential Yoke Shaft L.H.
(10) Differential Case
(11) Ball Bearing
9Y1210436FAS0016US0
KiSC issued 06, 2012 A