7-S9
L3130 · L3430 · L3830 · L4630 · L5030, WSM
STEERING
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
(B) Disassembling Hydraulic Pump
Hydraulic Pump Assembly
1. Remove the pump cover mounting screws (7).
2. Remove the drive gear (6), driven gear (2) and side plate (3) from
the casing.
(When reassembling)
• Take care not to damage the gasket.
• Align the hole of the pump cover (4) and casing 2 (5).
• Install the side plate, noting its location and direction.
• Install the gears, noting its direction.
W10135590
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
Tightening torque
Pump cover mounting
screw
39.2 to 44.1 N·m
4.0 to 4.5 kgf·m
28.9 to 32.5 ft-lbs
(1) Casing 1
(2) Driven Gear
(3) Side Plate
(4) Pump Cover
(5) Casing 2
(6) Drive Gear
(7) Screw
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