wsm STW37 Workshop Manual page 260

STW34, STW37, STW40, WSM
HST Linkage
1. Remove the return spring (1).
2. Remove the neutral holder (5) and holder shaft (6).
3. Remove the neutral cam (2) and HST link rod (4).
4. Remove the cruise control rod (3).
(When reassembling)
• Assemble the holder shaft (6) temporarily so that the angle "a"
of the groove becomes a reference value.
• Do "Adjusting Neutral" (See page 3-S11) after all assemblies
ends.
Angle of the groove "a" Reference Value
(1) Return Spring
(2) Neutral Cam
(3) Cruise Control Rod
(4) HST Link Rod
HST Pedal and Pedal Support
1. Remove the HST pedal rod (2).
2. Remove the link support (3).
3. Remove the speed control pedal (1).
(1) Speed Control Pedal
(2) HST Pedal Rod
Hydraulic Pipe and HST Filter Bracket
1. Remove the charge hose (4) and PTO delivery hose (5).
2. Remove the charge pipe (3).
3. Remove the filter bracket (2) with the filter (1).
4. Disconnect the suction pipe (6).
(When reassembling)
• Be sure to fit four O-rings (7) to the charge pipe (3).
Filter bracket mounting
screw
Charge hose retaining nut
(Controller side)
Tightening torque
3P delivery pipe retaining
nut
PTO delivery hose
retaining nut (Valve side)
Installation angle of
Factory specification
charge hose (4): "a"
(1) HST Oil Filter
(2) Filter Bracket
(3) Charge Pipe
(4) Charge Hose
(5) PTO Delivery Hose
3-S46
TRANSMISSION
1.80 rad
103 °
(5) Neutral Holder
(6) Holder Shaft
a: Groove Angle
9Y1211109TRS0030US0
(3) Link Support
9Y1211109TRS0031US0
77.5 to 90.2 N·m
7.9 to 9.2 kgf·m
57.2 to 66.5 lbf·ft
24.5 to 29.4 N·m
2.5 to 3.0 kgf·m
18.1 to 21.7 lbf·ft
88.2 to 117.6 N·m
9.0 to 12.0 kgf·m
65.1 to 86.8 lbf·ft
15 to 17 N·m
1.5 to 1.75 kgf·m
10.8 to 12.7 lbf·ft
0.52 rad
30 °
(6) 3P Delivery Pipe
(7) O-ring
a: Installation Angle of Charge Hose
(4)
9Y1211109TRS0032US0
KiSC issued 11, 2014 A