2-S25
ZD321, ZD326, ZD331, WSM
TRANSAXLE
Center Case Rear Cover and PTO Clutch Shaft Assembly
1. Disconnect the delivery pipe (1).
2. Remove the center case rear cover (2).
3. Remove the pump shaft assembly (5).
4. Remove the PTO clutch shaft assembly (4).
• At this point, the input shaft (3) must be pulled out to prevent
interference between the PTO clutch case and the gear.
• Note that pulling out the input shaft (3) excessively may
cause falling off of the bevel gear from the input shaft (3).
(When reassembling)
• Apply liquid gasket (Three Bond 1208D or equivalent) to joint
face of center case and center case rear cover.
W1032558
Disassembling PTO Clutch Assembly
1. Remove the bearing (4) and clutch gear (3) with bearing.
2. Remove the internal snap ring (7), pressure plate (8), clutch disk
(9) and clutch plate (10).
3. Remove the bearing (6) PTO clutch case (2) from the PTO shaft
(1).
W1033133
Tightening torque
Center case rear cover
mounting screw
40 to 44 N·m
4.0 to 4.5 kgf·m
29 to 32 lbf·ft
(1) Delivery Pipe
(2) Center Case Rear Cover
(3) Input Shaft
(4) PTO Clutch Shaft Assembly
(5) Pump Shaft Assembly
(6) O-ring
(1) PTO Shaft
(2) PTO Clutch Case
(3) Clutch Gear
(4) Bearing
(5) Collar
(6) Bearing
(7) Internal Snap Ring
(8) Pressure Plate
(9) Clutch Disk
(10) Clutch Plate
(11) External Snap Ring
(12) Brake Disk
(13) Piston
(14) Brake Plate