wsm STW37 Workshop Manual page 348

STW34, STW37, STW40, WSM
• Proper Contact
More than 35 % red lead contact area on the gear tooth surface.
The center of tooth contact at 1/3 of the entire width from the
small end.
(A) Proper Contact
• Shallow or Heel Contact
Replace the adjusting collars (3), (4) to move the bevel pinion
shaft forward and replace the shim (5) with a thinner one.
Repeat this procedure until the proper tooth contact and
backlash are achieved.
(B) Shallow Contact
• Deep and Toe Contact
Replace the adjusting collars (3), (4) to move the bevel pinion
shaft backward and replace the shim (5) with a thicker one.
Repeat this procedure until the proper tooth contact and
backlash are achieved.
(D) Deep Contact
Backlash between 11T Bevel Gear and 16T Bevel Gear
1. Stick a strip of fuse to three spots on the 16T bevel gear (1) with
grease.
2. Install the 11T bevel gear (2) and shim (3).
3. Turn the axle.
4. Remove the 11T bevel gear (2) and measure the thickness of
the strip of fuse with an outside micrometer.
5. If the backlash is not within the factory specification, adjust with
shim (3).
Backlash between 11T
bevel gear and 16T Factory specification
bevel gear
(Reference)
• Thickness of adjusting shims (3):
0.8 mm (0.031 in.)
1.0 mm (0.039 in.)
1.2 mm (0.047 in.)
(1) 16T Bevel Gear
(2) 11T Bevel Gear
6-S13
FRONT AXLE
9Y1211109FAS0022US0
(C) Heel Contact
9Y1211109FAS0023US0
(E) Toe Contact
9Y1211109FAS0024US0
0.15 to 0.35 mm
0.0059 to 0.0138 in.
(3) Shim
9Y1211109FAS0025US0
KiSC issued 11, 2014 A