Kubota WSM STV32 Workshop Manual page 206

STV32 · STV36 · STV40, WSM
Disassembling Bi-speed Turn Hydraulic Clutch
1. Remove the internal snap ring (2), then take out the pressure
plate (5), three clutch discs (11) and three steel plates (4).
2. Remove the external snap ring (1) with clutch pack
disassembling tool (Code No.: 07916-53741), then take out
the collar (6) and spring (7).
3. Remove the piston (10).
(When reassembling)
A Apply transmission oil to the D-ring (9), and take care not to
damage it.
A Direct the convex side of collar (6) to the spring (7) side.
A Install the external snap ring (1) so that its sharp edge comes
outside.
A Make sure the bi-speed turn hydraulic clutch is in position.
Now feed compressed air (about 5 kgf/cm2) through the bi-
speed turn port of the counter shaft B to see if the piston (10)
moves smoothly. (See figure.)
A Install the internal snap ring (2) with its catch fitting the groove
of the clutch case (3). Be sure also that the sharp edge comes
outside.
A Stake the clutch piston mounting nuts firmly with punch, after
tightening them.
Clutch piston mounting
Tightening torque
nuts
(1) External Snap Ring
(2) Internal Snap Ring
(3) Clutch Case
(4) Steel Plate
(5) Pressure Plate
(6) Collar
3-S35
TRANSMISSION
9.8 to 11.8
1.0 to 1.2
7.2 to 8.7 ft-lbs
(7) Spring
(8) Shifter
(9) D-ring
(10) Piston
(11) Clutch Disc
0000007562E
KiSC issued 04, 2006 A