Hydraulic Cylinder Cover (3-Point Hydraulic System) - wsm STW37 Workshop Manual

STW34, STW37, STW40, WSM

(4) Hydraulic Cylinder Cover (3-Point Hydraulic System)

Hydraulic Cylinder Cover and Piston
1. Remove the hydraulic cylinder cover (3).
2. Push out the piston from inside of hydraulic cylinder block (1).
(When reassembling)
• Install the piston (2), noting O-ring (5) and back-up ring (4).
• Replace the thread coated screw (M8) with a new one.
Hydraulic cylinder cover
mounting screws (M10)
Tightening torque
Hydraulic cylinder cover
mounting screw (M8)
(1) Hydraulic Cylinder Block
(2) Piston
(3) Hydraulic Cylinder Cover
Lowering Speed Adjusting Valve
1. Remove the split pin (12) and remove the washer (11) and
spring (2).
2. Remove the internal snap ring (3) and draw out the adjusting
shaft (1).
3. Remove the external snap ring (9) and remove the adjusting
collar (6), spring (7) and washer (8).
(When reassembling)
• Apply transmission oil to the O-rings and not give damage to
them.
(1) Adjusting Shaft
(2) Spring
(3) Internal Snap Ring
(4) Straight Pin
(5) O-ring
(6) Adjusting Collar
Relief Valve
1. Remove the plug (8).
2. Remove the washer (5), shims (6), spring (4), poppet (3) and
valve seat (2).
(When reassembling)
• Apply transmission fluid to the O-ring and be careful not to
damage it.
Tightening torque Relief valve plug
(1) Hydraulic Cylinder Cover
(2) Valve Seat
(3) Poppet
(4) Spring
8-S18
HYDRAULIC SYSTEM
39.2 to 44.1 N·m
4.0 to 4.5 kgf·m
28.9 to 32.5 lbf·ft
17.7 to 20.6 N·m
1.8 to 2.1 kgf·m
13.0 to 15.2 lbf·ft
(4) Back-up Ring
(5) O-ring
9Y1211109HYS0030US0
(7) Spring
(8) Washer
(9) External Snap Ring
(10) Washer
(11) Washer
(12) Split Pin
9Y1211109HYS0031US0
39.2 to 49.0 N·m
4.0 to 5.0 kgf·m
28.9 to 36.2 lbf·ft
(5) Washer
(6) Shim
(7) O-ring
(8) Plug
9Y1211109HYS0032US0
KiSC issued 11, 2014 A