Kubota WSM STV32 Workshop Manual page 219

STV32 · STV36 · STV40, WSM
Differential Gear Assembly
1. Remove the differential bearing holder (1), noting the number
of shims L (4).
2. Take out the differential gear as an assembly and the shims R
(3).
(When reassembling)
A Install same number of shims as before disassembling.
A Adjust the backlash and the tooth contact after
assembling the differential gear assembly.
SERVICING.
(Reference)
A Increase the shim R (3) thickness until to get backlash
between hypoid pinion and hypoid ring gear (2). After that
adjust the correct backlash with the shim L (4) and the shim R
(3).
A Thickness of shims L :
0.4 mm (0.016 in.) 0.9 mm (0.035 in.)
0.5 mm (0.020 in.) 1.0 mm (0.039 in.)
0.6 mm (0.024 in.) 1.2 mm (0.047 in.)
0.7 mm (0.028 in.) 1.4 mm (0.055 in.)
0.8 mm (0.031 in.)
A Thickness of shims R :
1.4 mm (0.055 in.) 1.7 mm (0.067 in.)
1.5 mm (0.059 in.) 1.8 mm (0.071 in.)
1.6 mm (0.063 in.) 1.9 mm (0.075 in.)
(1) Bearing Holder
(2) Hypoid Ring Gear
Hypoid Ring Gear
1. Remove the bearing (1) with special use puller set.
2. Loosen and take out the UBS screws (3), then remove the
hypoid ring gear (2).
A When loosening and tightening the UBS screws (3), use a
hexagonal socket wrench to protect the screw heads from
damage.
(When reassembling)
A Apply liquid lock (Three Bond 1372 or equivalent) to the UBS
screws, and tighten diagonally them with correct tightening
torque.
Hypoid ring gear
Tightening torque mounting UBS screws
(3)
(1) Bearing
(2) Hypoid Ring Gear
3-S48
TRANSMISSION
Refer to
(3) Shim R
(4) Shim L
0000007589E
60.8 to 70.6
6.2 to 7.2
44.8 to 52.1 ft-lbs
(3) UBS Screw
0000007590E
KiSC issued 04, 2006 A