Lift Cylinder Service - Toro Greens Aerator Service Manual

Lift Cylinder Service

2
1
1. Rod clevis
2. Jam nut
3. Retaining ring
4. Dust seal
5. Head
6. Back–up ring
Disassembly (Fig. 20)
1. Remove oil from the lift cylinder into a drain pan by
slowly pumping the cylinder rod. Plug port and clean
the outside of the lift cylinder.
IMPORTANT: Prevent damage when clamping the
lift cylinder into a vise; clamp on the pivot only. Do
not close vise enough to distort barrel.
2. Mount lift cylinder in a vise so that the shaft end tilts
up slightly.
3. Remove retaining ring (item 3) that retains head in
barrel.
4. Extract rod, head and piston by carefully twisting and
pulling on the rod clevis.
Hydraulic System
9
8
6
5
4
3
Figure 20
7. O–ring
8. Back–up ring
9. O–ring
10. Rod
11. Back–up ring
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13
11
12
11
10
7
12. O–ring
13. O–ring
14. Piston
15. Lock nut
16. Barrel
IMPORTANT: Do not clamp vise jaws against rod
surface. Protect rod surface before mounting in
vise.
5. Mount rod securely in a vise by clamping vise on the
flats of the rod clevis. Remove lock nut (item 15) from rod
and carefully slide piston and head from the rod.
6. Remove and discard o–rings (items 12 and 13) and
back–up rings (item 11) from the piston.
7. Remove and discard o–rings (items 7 and 9), back–
up rings (items 6 and 8) and dust seal (item 4) from the
head.
8. If necessary, loosen jam nut (item 2) and remove cle -
vis (item1) from rod.
16
15
14
Greens Aerator