wsm Kubota L4100, Workshop Manual

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HYDRAULIC SYSTEM L4100, WSM
8-S13
(EU)
[2] DISASSEMBLING AND ASSEMBLING
(1) Hydraulic Pump (Power Steering, Three Point Hydraulic System)
Preparation
1. Remove the side cover RH (11).
2. Disconnect the independent PTO delivery pipe (5), power
steering delivery hose (4) and power steering return hose (3)
from the regulator valve (2).
3. Remove the delivery pipe (8).
4. Disconnect the
3P delivery pipe 2 (7) from the three point
system hydraulic pump (6).
5. Disconnect the suction rubber hose (1).
(When reassembling)
• Apply grease to the O-rings and take care not to damage them.
• Install the copper washers (9).
9Y1210278HYS0013US0
Regulator Valve and Hydraulic Pump Assembly
1. Loosen and remove the regulator valve mounting screw.
2. Take out the regulator valve (1).
3. Loosen and remove the hydraulic pump assembly mounting
screws and nuts, then take out the hydraulic pump assembly.
(When reassembling)
• Apply grease to the O-rings and take care not to damage them.
9Y1210278HYS0014US0
Tightening torque
Independent PTO delivery
pipe joint bolt
35 to 39 N·m
3.5 to 4.0 kgf·m
26 to 39 lbf·ft
Power steering delivery
hose joint bolt
49 to 58 N·m
5.0 to 6.0 kgf·m
37 to 43 lbf·ft
Delivery pipe (8) joint bolt
40 to 49 N·m
4.0 to 5.0 kgf·m
29 to 36 lbf·ft
(1) Suction Rubber Hose
(2) Regulator Valve
(3) Power Steering Return Hose
(4) Power Steering Delivery Hose
(5) Independent PTO Delivery Pipe
(6) Hydraulic Pump
(Three Point System)
(7) 3P Delivery Pipe
(8) Delivery Pipe
(9) Copper Washer
(10) Hydraulic Pump (Power Steering)
(11) Side Cover RH
Tightening torque
Regulator valve mounting
screw
18 to 20 N·m
1.8 to 2.1 kgf·m
13 to 15 lbf·ft
Hydraulic pump mounting
bolt
24 to 27 N·m
2.4 to 2.8 kgf·m
18 to 20 lbf·ft
(1) Regulator Valve (2) Hydraulic Pump Assembly
KiSC issued 08, 2012 A