Kubota WSM L3560, Workshop Manual

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TRANSMISSION
L3560, L4060, L4760, L5060, L5460, L6060, WSM
3-S107
Port Block
1. Remove the port block mounting hex. socket head screws (1).
2. Pull and remove the port block (2) from the HST housing.
(When reassembling)
• Install port block with O-rings (3), valve plates and gasket in
place.
• Replace the gasket (5) with a new one.
NOTE
• Valve plates may stick to the port block but they are not
fixed. Be careful not to drop them.
And these valve plates are not interchangeable.
9Y1210824TRS0104US0
Cylinder Block Assemblies
1. Remove both motor and pump cylinder block (1), (2) with
pistons.
2. Remove the motor swashplate (3).
(When reassembling)
• Apply clean hydrostatic transmission oil to cylinder blocks.
NOTE
• Be careful not to damage the surface of cylinder blocks and
pistons.
• Do not interchange pistons between pump and motor
cylinder block.
9Y1210824TRS0105US0
Swashplate, Pump Shaft and Motor Shaft
1. Remove the swashplate (1).
2. Remove the cradle bearing bracket mounting hex. socket head
screws (6).
3. Tap the pump shaft (3) with a plastic hammer slightly to slide out
it with cradle bearing bracket (5) to the rear side.
4. Pull out the motor shaft (7).
(When reassembling)
• Place the swashplate (1) into the housing, align the slot guide
(4) of swashplate and groove (2) of servo piston.
• Apply clean transmission oil to the surface of swashplate and
cradle bearing.
9Y1210824TRS0106US0
Tightening torque
Port block mounting hex.
socket head screw
103 to 118 N·m
10.5 to 12.5 kgf·m
76.0 to 87.0 lbf·ft
Piston H (5)
59 to 78 N·m
6.1 to 7.9 kgf·m
44 to 57 lbf·ft
(1) Head Screw
(2) Port Block
(3) O-ring
(4) Piston H
(5) Gasket
(1) Motor Cylinder Block
(2) Pump Cylinder Block
(3) Motor Swashplate
Tightening torque
Cradle bearing bracket
mounting hex. socket head
screw
61 to 71 N·m
6.3 to 7.2 kgf·m
45 to 52 lbf·ft
(1) Swashplate
(2) Groove
(3) Pump Shaft
(4) Slot Guide
(5) Cradle Bearing Bracket
(6) Hex. Socket Head Screw
(7) Motor Shaft
KiSC issued 03, 2016 A