Kubota RTV1140CPX, Workshop Manual

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TRANSMISSION
RTV1140CPX, WSM
2-S48
Backlash between 6T Spiral Bevel Pinion Shaft and 37T Spiral
Bevel Gear
1. Put the solder (0.5 mm (0.020 in.) thickness) (1) on the position
where the tooth proper contact of spiral bevel pinon shaft.
2. Reassemble the front case and transmission case. In this time,
set the differential lock shiftier to lock position.
3. Temporarily install the propeller shaft assembly and rotate the
propeller shaft carefully.
4. Separate the front case and transmission case, again.
5. Measure the backlash by thickness of the point where solder is
the thinnest.
6. When the backlash is too large, decrease the number of shims
(LH) in the side of the spiral bevel gear, and insert the shim (RH)
of the same thickness as the removed ones to the opposite side.
7. When the backlash is too small, do the opposite way to increase
backlash.
Adjust the backlash properly by repeating the above procedure.
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Return Piston, Springs and Stopper Rod
1. Check the springs (3) for breakage and wear.
2. Check the return piston (1) for free movement in the piston case
(4).
3. Check the stopper rod (2) for vend and wear.
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Swashplate and Cradle Bearing
1. Check the surface of swashplate (1) and cradle bearings (2) for
scratches and excessive wear.
2. If worn or scored, replace them.
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Cylinder Block Bore and Pistons
1. Check the pistons (1) for their free movement in the cylinder
block (2) bores.
2. If the piston or the cylinder block bore is scored, replace cylinder
block assembly.
IMPORTANT
• Do not interchange pistons (1) between pump and motor
cylinder block (2).
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Backlash between spiral
bevel pinion shaft and
spiral bevel gear
Factory specification
0.20 to 0.40 mm
0.0079 to 0.015 in.
(1) Solder
(1) Return Piston
(2) Stopper Rod (3) Spring
(4) Piston Case
(1) Swashplate (2) Cradle Bearing
(1) Piston (2) Cylinder Block
KiSC issued 05, 2014 A