wsm STW37 Workshop Manual page 275

STW34, STW37, STW40, WSM
Hypoid Pinion Assembly and Rear Counter Shaft Assembly
1. Remove the hypoid pinion assembly (3), shim (2) and counter
shaft assembly (4) from the mid cover (1).
2. Remove the stake of the lock nut (7) and remove it.
3. Remove the bearing holder (6) and taper roller bearing (5) from
hypoid pinion as a unit.
4. Remove the gears.
(When reassembling)
• Apply molybdenum disulfide (Three Bond 1901 or equivalent) to
the 29T gear (8) and 13T gear (10).
• Assemble the roller bearing (12) with applying the oil for inner
race.
• Install the external snap rings (9), (11) with their direction of
sharp edge faces HST side.
• Make sure that the 22-21T gear can be rotated by hand lightly.
IMPORTANT
• Adjust the hypoid pinion turning torque by the tightening
torque of lock nut (7). (See page 3-S73).
• Adjust the backlash and tooth contact of hypoid gears.
(See page 3-S73).
(Reference)
• Thickness of shim (2)
0.4 mm (0.016 in.)
0.5 mm (0.020 in.)
0.6 mm (0.024 in.)
0.7 mm (0.028 in.)
0.8 mm (0.031 in.)
0.9 mm (0.035 in.)
1.0 mm (0.039 in.)
1.2 mm (0.047 in.)
1.4 mm (0.055 in.)
(1) Mid Cover
(2) Shim
(3) Hypoid Pinion Assembly
(4) Counter Shaft Assembly
(5) Taper Roller Bearing
(6) Bearing Holder
(7) Lock Nut
(8) 29T Gear
3-S61
TRANSMISSION
(9) External Snap Ring
(10) 13T Gear
(11) External Snap Ring
(12) Roller Bearing
(13) Hypoid Pinion
(14) 22-21T Gear
(15) Counter Shaft
9Y1211109TRS0058US0
KiSC issued 11, 2014 A