Position Control Valve (3-Point Hydraulic System) - wsm STW37 Workshop Manual

STW34, STW37, STW40, WSM

(3) Position Control Valve (3-Point Hydraulic System)

IMPORTANT
• The position control valve has been precisely machined, assembled and adjusted.
• It is advisable not to disassemble it, except the unload poppet 1, unload poppet 2 and poppet 1.
Separating Hydraulic Cylinder
• See page 3-S49.
Removing Position Control Valve
1. Remove the position control valve.
(When reassembling)
• Be careful not to damage the O-rings.
Position control valve
Tightening torque
mounting screws
(1) Position Control Valve
Poppet 1
IMPORTANT
• Never loosen the lock nut (2).
1. Remove the plug (1).
2. Draw out the spring (3) and poppet 1 (4).
(When reassembling)
• Apply transmission fluid to the O-ring and be careful not to
damage it.
(1) Plug
(2) Lock Nut
(3) Spring
Unload Poppet 1 and Unload Poppet 2
IMPORTANT
• Never loosen the lock nut (1).
1. Remove the plug (7).
2. Draw out the spring (6) and unload poppet 1 (5).
3. Remove the plug (2).
4. Draw out the spring (3) and unload poppet 2 (4).
(When reassembling)
• Apply transmission fluid to the O-rings and be careful not to
damage them.
(1) Lock Nut
(2) Plug
(3) Spring
(4) Unload Poppet 2
8-S17
HYDRAULIC SYSTEM
9Y1211109HYS0025US0
9Y1211109HYS0026US0
19.6 to 23.5 N·m
2.0 to 2.4 kgf·m
14.5 to 17.4 lbf·ft
9Y1211109HYS0027US0
(4) Poppet 1
(5) Check Valve Seat 1
9Y1211109HYS0028US0
(5) Unload Poppet 1
(6) Spring
(7) Plug
9Y1211109HYS0029US0
KiSC issued 11, 2014 A