HYDRAULIC SYSTEM
B1220, B1620, B1820, WSM
8-S12
(EU)
(2) Hydraulic Pump [Power Steering Model]
Hydraulic Pump Cover, Side Plate and Gear
1. Secure the hydraulic pump with a vise, and remove the
hydraulic pump cover (6) with casing (5).
2. Remove the side plate (4).
3. Remove the drive gear (3) and driven gear (2) from the casing
(1).
(When reassembling)
• Take care not to damage the O-ring.
• Align the holes of the cover and casing.
• Install the side plate, noting its location and direction.
• Install the gears, noting its direction.
9Y1210272HYS0016US0
Oil Seal
1. Remove the internal snap ring (2), and remove the oil seal (1).
(When reassembling)
• If the oil seal is defective, worn or scratched, replace it.
9Y1210272HYS0017US0
Tightening torque
Hydraulic pump cover
mounting screw
35 to 39 N·m
3.5 to 4.0 kgf·m
26 to 29 lbf·ft
(1) Casing
(2) Driven Gear
(3) Drive Gear
(4) Side Plate
(5) Casing
(6) Hydraulic Pump Cover
(1) Oil Seal (2) Internal Snap Ring