wsm STW37 Workshop Manual page 268

STW34, STW37, STW40, WSM
Accumulator (for PTO Clutch)
1. Remove the internal snap ring and pull out the accumulator
assembly (1).
(When reassembling)
• Apply transmission oil to the O-ring (4), (9) and the seal (8).
(1) Accumulator Assembly
(2) Internal Snap Ring
(3) Case
(4) O-ring
(5) Spring
(6) Spring
Neutral Valve
1. Remove the neutral valve assembly (6), (7) from the port block
(8).
2. Remove the spring holder (1), spring (2) and poppet N (3) after
tapping out the spring pin (5).
(When reassembling)
• Apply transmission oil to the O-rings.
(1) Spring Holder
(2) Spring
(3) Poppet N
(4) Valve Body
Check and High-Pressure Relief Valve
1. Remove the check spring (4) and the relief valve assembly (3)
after removing the plug (5).
(When reassembling)
• Apply transmission oil to the O-rings and relief valve assembly
(3).
Check and high-pressure
Tightening torque
relief valve plug
NOTE
• It is impossible to disassemble relief valve assembly.
• The check and high-pressure relief valve for forward and
for reverse are interchangeable.
(1) Check and High-Pressure Relief
Valve for Forward
(2) Check and High-Pressure Relief
Valve for Reverse
3-S54
TRANSMISSION
(7) Piston
(8) Seal
(9) O-ring
(10) Cover
(11) Internal Snap Ring
9Y1211109TRS0047US0
(5) Spring Pin
(6) Neutral Valve Assembly (Reverse)
(7) Neutral Valve Assembly (Forward)
(8) Port Block
9Y1211109TRS0048US0
58.8 to 68.6 N·m
6.0 to 7.0 kgf·m
43.4 to 50.6 lbf·ft
(3) Relief Valve Assembly
(4) Check Spring
(5) Plug
9Y1211109TRS0049US0
KiSC issued 11, 2014 A