Steering Cylinder Service - Toro Reelmaster 5010- H Service Manual

Steering Cylinder Service

40 ft- lb
(54 N- m)
11
1. Shaft
2. Dust seal
3. BP seal
4. Head
5. Retaining ring
Disassembly (Fig. 84)
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.
IMPORTANT: Prevent damage when clamping the
steering cylinder into a vise; clamp on the clevis end
of the barrel ONLY.
2. Mount steering cylinder securely in a vise by clamp-
ing on the clevis end of the barrel. Use of a vise with soft
jaws is recommended.
3. Using a spanner wrench, rotate head clockwise until
the edge of the retaining ring appears in the barrel open-
ing. Insert a screwdriver under the beveled edge of the
retaining ring to start the retaining ring through the open-
ing. Rotate the head counter- clockwise to remove re-
taining ring from barrel and head.
Hydraulic System
3
12
9
13
9
8
13 12
3
6. Back- up ring
7. O- ring
8. O- ring
9. Piston
2
6
7
8
10
11
Figure 84
4. Remove plugs from ports. Extract shaft, head and
piston by carefully twisting and pulling on the shaft.
IMPORTANT: To prevent shaft damage, do not
clamp shaft surface in a vise.
5. Using a wrench on shaft flats to prevent shaft from
rotating, remove lock nut.
6. Carefully slide piston and then head from shaft.
7. Taking care to not scratch or damage the piston, re-
move wear ring, BP seal and O- ring from the piston.
8. Taking care to not scratch or damage the head, re-
move O- ring, back- up ring, dust seal and BS seal from
the head.
9. Discard removed seals and O- rings.
Page 4 - 100
4
5
4
2
10
7 5
6
10. BS seal
11. Barrel
12. Wear ring
13. Lock nut
Reelmaster 5010- H
1
1