STV32 · STV36 · STV40, WSM
Removing Hydraulic Pump Assembly
1) Regulator Valve
1. Open the food and remove the side cover (RH).
2. Disconnect the accelerator wire (4) from the engine.
3. Remove the joint screw (2) and disconnect the power steering
delivery hose (7).
4. Remove the joint screw (5) and disconnect the bi-speed
delivery pipe.
5. Remove the joint screw (6) and mounting screws (1), and
separate the regulating valve (3) from the hydraulic pump.
(When reassembling)
A Apply grease to the O-ring (10) on the regulator valve (3) and
take care not to damage it.
A Be sure to install the poppet (13), spring (12) and copper
gasket (8) (9) (11).
Joint screw (2)
(Power steering delivery
hose)
Joint screw (5)
(Bi-speed delivery pipe)
Tightening torque
Joint screw (6)
(Regulator delivery
pipe)
Regulator valve
mounting screw
Delivery hose (7)
Factory spec.
installation angle (A)
(1) Mounting Screw
(2) Joint Screw (Power Steering
Delivery Hose)
(3) Regulator Valve
(4) Accelerator Wire
(5) Joint Screw (Bi-speed Delivery
Pipe)
(6) Joint Screw (Regulator Delivery
Pipe)
(7) Power Steering Delivery Hose
(8) Copper Gasket
2) Removing Hydraulic Pump
1. Loosen the clump (2) and separate the suction hose (1) from
the hydraulic pump (3).
2. Disconnect the 3P delivery pipe (5) from the hydraulic pump
(3).
3. Remove the mounting screws (4) and remove the hydraulic
pump (3).
(1) Suction Hose
(2) Clump
8-S16
HYDRAULIC SYSTEM
49 to 58.8
5.0 to 6.0
36.2 to 43.4 ft-lbs
34.3 to 39.2
3.5 to 4.0
25.3 to 28.9 ft-lbs
39.2 to 49.0
4.0 to 5.0
28.9 to 36.2 ft-lbs
17.7 to 20.6
1.8 to 2.1
13.0 to 15.2 ft-lbs
0.52 rad
30
(9) Copper Gasket
(10) O-ring
(11) Copper Gasket
(12) Spring
(13) Poppet
A : Installation Angle of Power
Steering Delivery Hose
0000007854E
(3) Hydraulic Pump
(4) Mounting Screw
0000007855E
KiSC issued 04, 2006 A