Kubota L4400 Workshop Manual page 215

L4400 , WSM
Tractor Manuals Scotland
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
Replace the adjusting shim (2) with thicker one to move the spiral
bevel pinion shaft backward.
For move the spiral bevel gear rightward, reduce right side shim
(5) and add shim (6) of the same thickness as the right side to left
side.
(B) Shallow Contact
Replace the shim (5) with a thinner one to move the spiral bevel
pinion shaft forward.
For move the spiral bevel gear leftward, reduce left side shim (6)
and add shim (5) of the same thickness as the left side to right side.
Repeat above until the proper tooth contact and backlash are
achieved.
(D) Deep Contact
Clearance between Differential Case Bore (Differential Case
Cover Bore) and Differential Side Gear Boss
1. Measure the bore I.D. of the differential case and differential case
cover.
2. Measure the differential side gear boss O.D. and calculate the
clearance.
3. If the clearance exceeds the allowable limit, replace them.
Clearance between
differential case bore
and differential side gear
boss
Differential case bore
I.D.
Differential side gear
boss O.D.
Clearance between
differential case cover
bore and differential side
gear boss
Differential case cover
bore I.D.
Differential side gear
boss O.D.
Tractor Manuals Scotland - Please Do Not Copy
3-S36
(C) Heel Contact
(E) Toe Contact
0.050 to 0.151 mm
Factory spec.
0.00197 to 0.00594 in.
0.35 mm
Allowable limit
0.0138 in.
40.500 to 40.550 mm
Factory spec.
1.59449 to 1.59646 in.
40.388 to 40.450 mm
Allowable limit
1.59008 to 1.59252 in.
0.050 to 0.151 mm
Factory spec.
0.00197 to 0.00594 in.
0.35 mm
Allowable limit
0.0138 in.
40.500 to 40.550 mm
Factory spec.
1.59449 to 1.59646 in.
40.388 to 40.450 mm
Allowable limit
1.59008 to 1.59252 in.
TRANSMISSION
W10187470
W10189000
W10189730
W102840310
KiSC issued 07, 2007 A