Kubota M5040 Workshop Manual page 306

M5040, M6040, M7040, WSM
Backlash and Tooth Contact between Spiral Bevel Gear and
Spiral Bevel Pinion Shaft (Continued)
• 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.
• Shallow or Heel Contact
Replace the adjusting collar (2) with thicker one to move the
spiral bevel pinion shaft backward.
And reduce the shim (4) to move the spiral bevel gear rightward.
Repeat above until the proper tooth contact and backlash are
achieved.
• Deep or Toe Contact
Replace the adjusting collar (2) with a thinner one to move the
spiral bevel pinion shaft forward.
And increase the shim (4) to move the spiral bevel gear leftward.
Repeat above until the proper tooth contact and backlash are
achieved.
(1) Spiral Bevel Pinion Shaft
(2) Adjusting Collar
(3) Spiral Bevel Gear
(4) Shim
(5) Differential Case
3-S53
TRANSMISSION
(A) Proper Contact
(B) Shallow Contact
(C) Heel Contact
(D) Deep Contact
(E) Toe Contact
W1076897
KiSC issued 06, 2008 A