TRANSMISSION
L3540-II, L4240-II, L5040-II, L5240-II, L5740-II , WSM
3-S75
(2) Mid Case
Hydraulic Pipes
1. Remove the suction pipe (1).
2. Remove the PTO delivery pipe (2).
(When reassembling)
9Y1211167TRS0085US0
GST Valve Assembly
1. Disconnect the brake rods (2).
2. Remove the GST valve (1) with using two jack bolts.
3. Remove the shift pin (3), (4) and (6).
• Do not fall down the shift pin while disassembling.
(When reassembling)
• Place the 1-2 (3) and 3-4 shift pins (4) at neutral position,
sub-range shift pin (7) at Hi position (rearward) and main range
shift pin (6) at L position (forward), and then assemble the GST
valve.
• Be sure to match the each shift pin and shift piston.
• Install the GST valve (1) by hand, and then tighten the screws.
Do not use the hummer.
• Apply liquid gasket (Three Bond 1208C or equivalent) to joint
face of the GST valve assembly.
• Replace the pipe (5) with a new one, if damaged.
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Separating Mid Case and Transmission Case
1. Separate the mid case and transmission case after removing
their mounting screws.
(When reassembling)
• Make sure to insert the PTO shaft to PTO clutch firmly, turning
the PTO shaft.
• Apply liquid gasket (Three Bond 1208C or equivalent) to joint
face of the mid case and transmission case.
9Y1211167TRS0087US0
Tightening torque
Joint bolt for PTO delivery
pipe
35 to 39 N·m
3.5 to 4.0 kgf·m
26 to 28 lbf·ft
(1) Suction Pipe (2) PTO Delivery Pipe
Tightening torque
GST valve mounting
screws
43 to 48 N·m
4.3 to 4.9 kgf·m
32 to 35 lbf·ft
Shift pin mounting screw
13 to 14 N·m
1.3 to 1.5 kgf·m
9.4 to 10 lbf·ft
(1) GST Valve
(2) Brake Rod
(3) 1-2 Shift Pin
(4) 3-4 Shift Pin
(5) Pipe
(6) Main Range Shift Pin
(7) Sub-range Shift Pin
Tightening torque
Mid case and transmission
case mounting screw
78 to 90 N·m
7.9 to 9.2 kgf·m
58 to 66 lbf·ft
Mid case and transmission
case mounting nut
103 to 117 N·m
10.5 to 12.0 kgf·m
76.0 to 86.7 lbf·ft
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