Kubota B1830 Workshop Manual page 271

B1830,B2230,B2530,B3030, WSM
Valve Plates
1. Pushing the valve plate (2) against the anchor pin (3), lift the
valve plate (2) to remove.
2. Remove the valve plate (2).
3. Remove the valve plate (4).
(When reassembling)
• Install the groove (5) the valve plates (2), (4) to the anchor pins
(3) securely.
(1) Center Section
(2) Valve Plate (Pump Shaft)
(3) Anchor Pin
Oil Seals and Needle Bearings
1. Remove the needle bearing (2).
2. Remove the oil seals (1).
(When reassembling)
• After checking or changing the oil seals, apply the bearing with
hydrostatic transmission oil and the oil seal with grease.
(1) Oil Seal
Check and High Pressure Relief Valve
1. Remove the valve plug (1) with a hex. wrench.
2. Remove the spring (3) and the valve (4).
(When reassembling)
Check and high pressure
Tightening torque
relief valve plug
(1) Valve Plug
(2) O-ring
3-S47
TRANSMISSION
(4) Valve Plate (Motor Shaft)
(5) Groove
9Y1210003TRS0059US0
(2) Needle Bearing
9Y1210003TRS0060US0
118 to 147 N·m
12.0 to 15.0 kgf·m
86.8 to 108.5 lbf·ft
(3) Spring
(4) Valve
9Y1210003TRS0061US0
KiSC issued 05, 2012 A