Kubota ME5700, Workshop Manual

Page: 249 / 508

ME5700, WSM TRANSMISSION
3-S51
Backlash and Tooth Contact between Spiral Bevel Gear and
Spiral Bevel Pinion Shaft
1. Set the dial indicator (lever type) with its finger on the tooth
surface.
2. Measure the backlash by fixing the spiral bevel pinion shaft (1)
and moving the spiral bevel gear (2) by hand.
3. When the backlash is too large, decrease the number of shims
in the side of the spiral bevel gear, and insert the shims in
opposite side. When the backlash is too small, decrease the
number of shims in the side of the differential case, and insert
and removed shims in the opposite side.
4. Adjust the backlash properly by repeating the above
procedure.
5. Apply red lead lightly over several teeth at three positions
equally spaced on the spiral bevel gear.
6. Turn the spiral bevel pinion shaft, while pressing a wooden
piece against the periphery on the spiral bevel gear.
7. Check the tooth contact. If not proper, adjust according to the
instructions next page.
(Reference)
A
Thickness of shims (4) :
0.1 mm (0.004 in.) 0.5 mm (0.020 in.)
0.3 mm (0.012 in.)
A
Thickness of collar (3) :
1.00 mm (0.039 in.) 2.00 mm (0.079 in.)
1.50 mm (0.059 in.) 2.10 mm (0.083 in.)
1.70 mm (0.067 in.) 2.20 mm (0.087 in.)
1.75 mm (0.069 in.) 2.25 mm (0.089 in.)
1.80 mm (0.071 in.) 2.30 mm (0.091 in.)
1.90 mm (0.075 in.)
Backlash between spiral
bevel gear and spiral
bevel pinion shaft
Factory spec.
0.20 to 0.30 mm
0.0079 to 0.0118 in.
Allowable limit
0.4 mm
0.016 in.
(1) Spiral Bevel Pinion Shaft (3) Adjusting Collar 1
(2) Spiral Bevel Gear (4) Shim
0000002787E
KiSC issued 04, 2006 A