STV32 · STV36 · STV40, WSM TRANSMISSION
3-S39
Cylinder Block
1. Pull out the cylinder block (2) with piston (1) as a unit.
A Make alignment mark on the piston and cylinder when
removing the piston from cylinder block.
(When reassembling)
A Apply transmission oil to the thrust plate (3) and pistons.
A Be sure to align the marks when assembling pistons to the
cylinder block.
Pump Shaft and Motor Shaft
1. Remove the internal snap ring (5) then detach the oil seal (4).
2. Remove the external snap ring (3) and draw out the pump
shaft (1).
3. Draw out the motor shaft (2).
(When reassembling)
A Replace oil seal with new one.
A Apply transmission oil to the oil seal.
Trunnion
1. Remove the internal snap ring (1) then tap out the trunnion (5)
lightly with cover (4).
(When reassembling)
A Apply transmission oil to the O-rings and apply grease to the
bushing (6) and (7).
(1) Piston (3) Thrust Plate
(2) Cylinder Block (Pump) (4) Cylinder Block (Motor)
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(1) Pump Shaft (4) Oil Seal
(2) Motor Shaft (5) Internal Snap Ring
(3) External Snap Ring
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(1) Internal Snap Ring (5) Trunnion
(2) External Snap Ring (6) Bushing
(3) Oil Seal (7) Bushing
(4) Cover
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