Steering Cylinder Service (Sand Pro 5040 And Infield Pro 5040) - Toro Sand Pro 5040 Service Manual

Steering Cylinder Service (Sand Pro 5040 and Infield Pro 5040)

30 to 35 ft–lb
(41 to 47 N–m)
1. Barrel
2. Lock nut
3. Wear ring
4. Piston
5. Seal
Disassembly (Fig. 58)
1. Remove oil from steering cylinder into a drain pan by
slowly pumping the cylinder shaft. Plug both ports and
clean the outside of the cylinder.
2. Secure steering cylinder in a vise by lightly clamping
on the mounting collar on the barrel.
3. Remove retaining ring from head and barrel using
the following procedure:
A. Using a spanner wrench, rotate head clockwise
until the edge of the retaining ring appears in the bar-
rel opening.
B. Insert a screwdriver under the beveled edge of
the retaining ring to start the retaining ring through
the barrel opening.
C. Rotate the head counter–clockwise to fully re-
move retaining ring.
Hydraulic System
1
2
4
Figure 58
6. O–ring
7. Rod seal
8. O–ring
9. Back–up ring
Page 4 – 70
3
5
6
10
11
10. Head
11. Retaining ring
12. Wiper
13. Cylinder rod
4. Remove plugs from ports. Extract shaft, head and
piston by carefully twisting and pulling on the shaft.
IMPORTANT: Do not clamp vise jaws against the
shaft surface. Clamp on the clevis ONLY.
5. Mount shaft securely in a vise by clamping on the cle-
vis of the shaft. Remove lock nut and piston from the
shaft. Carefully slide head off the shaft.
6. Taking care to not scratch or damage the piston, re-
move wear ring, seal and o–ring from the piston.
7. Taking care to not scratch or damage the head, re-
move o–ring, back–up ring, rod seal and wiper from the
head.
Assembly (Fig. 58)
1. Make sure all cylinder parts are clean before as-
sembly.
Sand Pro & Infield Pro 3040/5040
7
8
9
12
13