STV32 · STV36 · STV40, WSM TRANSMISSION
3-S31
(3) Separating HST (Hydrostatic Transmission)
Separating HST (Hydrostatic Transmission)
1. Place a disassembly stand under the HST (2) and mid case
(1).
2. Remove the HST mounting screw and nuts to separate the
HST (2) from the mid case (1).
A Do not pull out the front drive shaft (3) when you do not
separate the mid case (1).
(When reassembling)
A Apply liquid gasket (Three Bond 1208D or equivalent) to the
joint face of the HST and mid case.
(4) Separating Mid Case
Separating Mid Case
1. Remove the counter shaft and coupling (2).
2. Remove the mid case mounting screws and nuts to separate
the mid case (1) from the transmission case.
(When reassembling)
A Apply liquid gasket (Three Bond 1208D or equivalent) to the
joint face of the mid case and transmission case.
(5) Separating Transmission Case
3 Point Linkage and Drawbar
1. Remove the lifting rods (1) (4).
2. remove the top link (3) and PTO shaft cover (2).
3. Remove the lower links (5) (7) with the check chains.
4. Pill out the drawbar (6).
Tightening torque
HST mounting screw
and nut
39.3 to 44.1
4.0 to 4.5
29.0 to 32.5 ft-lbs
(1) Mid Case (3) Front Drive Shaft
(2) HST (Hydrostatic
Transmission)
0000007530E
Tightening torque
Mid case mounting
screw and nut
39.3 to 44.1
4.0 to 4.5
29.0 to 32.5 ft-lbs
(1) Mid Case (2) Counter Shaft and Coupling
0000007533E
(1) Lifting Rod (Left) (5) Lower Link (Right)
(2) PTO Shaft Cover (6) Drawbar
(3) Top Link (7) Lower Link (Left)
(4) Lifting Rod (Right)
0000007534E