Toro Sand Pro 3040 Service Manual page 167

Disassembling the Rear Lift Cylinder (continued)
Assembling the Rear Lift Cylinder
Sand Pro ® 3040 and 5040
20251SL Rev A
Do not clamp the vise jaws against the shaft surface. Clamp on the
clevis ONLY.
5. Mount the shaft securely in a vise by clamping on the clevis of the shaft.
Remove the lock nut and piston from the shaft. Carefully slide the head
off the shaft.
6. Taking care to not scratch or damage the piston, remove the wear ring and
O-ring from the piston.
7. Taking care to not scratch or damage the head, remove the O-ring, back–up
ring, rod seal and wiper from the head.
Refer to Figure 63 for this procedure.
1. Make sure all the cylinder parts are clean before assembly.
2. Coat the new O-rings, back–up ring and other seals with clean hydraulic fluid.
A. Carefully fit the wear ring and the O-ring to the piston.
B. Carefully fit the rod seal, O-ring, back–up ring, and the wiper to the head.
Do not clamp the vise jaws against the shaft surface. Clamp on the
clevis ONLY.
3. Mount the shaft securely in a vise by clamping on the clevis of the shaft.
A. Coat the shaft with clean hydraulic fluid.
B. Slide the head onto the shaft.
C. Install the piston onto the shaft and secure with the lock nut. Tighten the
lock nut from 41 to 47 N·m (30 to 35 ft-lb).
D. Remove the shaft assembly from the vise.
Prevent damage when clamping the hydraulic cylinder into a vise;
clamp on the mounting collar on the barrel ONLY.
4. Mount the barrel securely in a vise by lightly clamping on the mounting collar
on the barrel.
5. Coat all internal parts with a light coat of clean hydraulic fluid. Slide the
piston, shaft, and the head assembly into the barrel being careful not to
damage the seals.
Note: When installing the head into the barrel, pay careful attention to the
retaining ring slot in the barrel to insure that the backup ring does not lodge in
the slot.
6. Install the retaining ring to secure the head in the barrel:
IMPORTANT
IMPORTANT
IMPORTANT
Page 5–97 Hydraulic System: Service and Repairs