wsm STW37 Workshop Manual page 322

STW34, STW37, STW40, WSM
Auxiliary Control Valve
1. Remove the valve cover (8).
2. Remove the valve stay (3).
3. Remove the connecting rods (2).
(When reassembling)
• Reassemble the connecting rods (2) as shown in the figure.
• After reassembling the valve stay (3), adjust to locate the control
lever (9) at a central position of the guide slot with the turnbuckle
(10).
4. Remove the hose clamp (7).
(When reassembling)
• Clamp the hydraulic hoses in order of hydraulic hose PB (4),
hydraulic hose P (5) and hydraulic hose T (6) from the front side.
5. Disconnect the hydraulic hoses (4), (5), (6) from the tractor
body.
6. Remove the auxiliary control valve (1) with the hydraulic hoses
(4), (5), (6).
(When reassembling)
• Assemble the hose joints to appropriate positions referring to
the table below.
(Distinction and installation angle of the hose joints)
Hydraulic Hose
Straight joint
P (5)
0.26 rad (15 °)
Straight joint with blue tape
PB (4)
0.26 rad (15 °)
Bent joint
T (6)
1.57 rad (90 °)
Hydraulic hoses PB, P and
Tightening torque
T retaining nuts
(1) Auxiliary Control Valve
(2) Connecting Rods
(3) Valve Stay
(4) Hydraulic Hose PB
(5) Hydraulic Hose P
(6) Hydraulic Hose T
(7) Hose Clamp
(8) Valve Cover
(9) Control Lever
(10) Turnbuckle
5-S8
Hose joint Hose joint
(Valve side) (Tractor body side)
Bent joint with white tape
0.785 rad (45 °)
Bent joint with blue tape
0.785 rad (45 °)
Bent joint
0.349 to 0.523 rad
(20 ° to 30 °)
30 to 40 N·m
3.0 to 4.0 kgf·m
21.7 to 28.9 lbf·ft
a: 0.785 rad (45 °)
b: 0.349 to 0.523 rad (20 ° to 30 °)
c: 0.26 rad (15 °)
d: 0.26 rad (15 °)
Pb: Power Beyond Port
P: Pump Port
T: Tank Port
9Y1211109TRS0022US0
BRAKES
KiSC issued 11, 2014 A