L4701; Hydraulic Pump - wsm L3301 Workshop Manual

L3301, L3901, L4701, WSM

[2] L4701

(1) Hydraulic Pump

[A] Manual Transmission Model
Preparation
1. Remove the side cover (R.H.).
2. Disconnect the delivery pipe (PTO) (5), power steering delivery
hose (4) and power steering return hose (3) from the regulator
valve (2).
3. Remove the delivery pipe (regulator) (8).
4. Disconnect the delivery pipe (3-point hitch) (7) from the
hydraulic pump (6).
5. Disconnect the suction hose (1).
(When reassembling)
• Apply grease to the O-rings and be careful not to damage them.
• Be sure to wrap a seal tape to thread part of power steering
return hose (3).
• There are 2 types of washer for power steering delivery hose.
Thicker one should be attached engine side.
Delivery pipe (PTO) joint
bolt
Power steering delivery
hose joint bolt
Tightening torque
Delivery pipe (regulator)
joint bolt
Delivery pipe (3-point hitch)
mounting bolt
(1) Suction Hose
(2) Regulator Valve
(3) Power Steering Return Hose
(4) Power Steering Delivery Hose
(5) Delivery Pipe (PTO)
Regulator Valve and Hydraulic Pump Assembly
1. Loosen and remove the regulator valve mounting screws.
2. Remove the regulator valve (1).
3. Loosen and remove the hydraulic pump assembly mounting
screws and nuts, then remove the hydraulic pump assembly.
(When reassembling)
• Apply grease to the O-ring and be careful not to damage it.
Regulator valve mounting
screws
Tightening torque
Hydraulic pump assembly
mounting screw and nut
(1) Regulator Valve
7-S16
STEERING
34.3 to 39.2 N·m
3.5 to 4.0 kgf·m
26 to 28 lbf·ft
49.0 to 58.8 N·m
5.0 to 6.0 kgf·m
37 to 43 lbf·ft
39.2 to 49.0 N·m
4.0 to 5.0 kgf·m
29 to 36 lbf·ft
17.6 to 20.6 N·m
1.8 to 2.1 kgf·m
13 to 15 lbf·ft
(6) Hydraulic Pump
(7) Delivery Pipe (3-point Hitch)
(8) Delivery Pipe (Regulator)
(9) Copper Washer
(10) Copper Washer (Thicker)
9Y1211012STS0023US0
17.6 to 20.6 N·m
1.8 to 2.1 kgf·m
13 to 15 lbf·ft
24 to 27 N·m
2.4 to 2.8 kgf·m
18 to 20 lbf·ft
(2) Hydraulic Pump Assembly
9Y1211012STS0024US0
KiSC issued 09, 2016 A