8-S8
L3130 · L3430 · L3830 · L4630 · L5030, WSM
HYDRAULIC SYSTEM
Regulator Valve (Manual and Glide Shift Transmission Models)
1. Disconnect the power steering delivery pipe (4) and return hose
(3).
2. Disconnect the GST/PTO delivery pipe (5) and regulator delivery
pipe (1).
3. Remove the regulator valve (2).
(When reassembling)
• Apply grease to the O-ring and take care not to damage it.
• Install the copper washers firmly.
W1014496
Power Steering Delivery Pipe and Oil Cooler Return Pipe
(HST Models)
1. Disconnect the power steering delivery pipe (2) and oil cooler
return pipe (1).
(When reassembling)
• Install the copper washers firmly.
• Take care not to damage the O-ring.
W1014726
Hydraulic Pump Assembly
1. Disconnect the suction hose (1) and main delivery pipe (3).
2. Remove the hydraulic pump assembly (2).
(When reassembling)
• Apply grease to the O-ring and take care not to damage it.
W1014977
Tightening torque
Power steering delivery
pipe joint bolt
49.0 to 68.6 N·m
5.0 to 7.0 kgf·m
36.2 to 50.6 ft-lbs
GST/PTO delivery pipe
joint bolt
34.3 to 39.2 N·m
3.5 to 4.0 kgf·m
25.3 to 28.9 ft-lbs
Regulator delivery pipe
joint bolt
39.2 to 49.0 N·m
4.0 to 5.0 kgf·m
28.9 to 36.2 ft-lbs
Regulator valve mounting
screw
17.7 to 20.6 N·m
1.8 to 2.1 kgf·m
13.0 to 15.2 ft-lbs
(1) Regulator Delivery Pipe
(2) Regulator Valve
(3) Return Hose
(4) Power Steering Delivery Pipe
(5) GST/PTO Delivery Pipe
Tightening torque
Power steering delivery
pipe joint bolt
39.2 to 49.0 N·m
4.0 to 5.0 kgf·m
28.9 to 36.2 ft-lbs
(1) Oil Cooler Return Pipe (2) Power Steering Delivery Pipe
Tightening torque
Hydraulic pump assembly
mounting screw and nut
23.5 to 27.5 N·m
2.4 to 2.8 kgf·m
17.4 to 20.3 ft-lbs
(1) Suction Hose
(2) Hydraulic Pump Assembly
(3) Main Delivery Pipe
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