Lift Cylinder Service
1
13
3
4
7
14
8
5
9
2
6
10
1
4
11
2
7
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15
11
3
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8
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Figure 30
1.
2.
3.
4.
5.
O–ring
Barrel
Nut
Uni–ring
Piston
6.
7.
8.
9.
O–ring
11. Dust seal
12. Retaining ring
13. Shaft (w/clevis)
14. Pivot end
15. Clevis
Poly–pack
O–ring
Back–up ring
10. Head
Disassembly
Reassembly
1.
Remove oil from the hydraulic cylinder into a drain
1. Make sure all parts are clean before reassembly.
pan by slowly pumping the cylinder shaft. Plug both
ports and clean the outside of the cylinder.
2.
Coat new O–rings, Uni–rings, poly–pack, back–up
ring, and dust seal with with clean hydraulic oil. Install
Uni–ring and O–ring to the piston. Install poly–pack, O–
ring, and back–up ring to the head.
IMPORTANT: Prevent damage when clamping the
hydraulic cylinder into a vise; clamp on pivot end
only. Do not close vise enough to distort the barrel.
IMPORTANT: Do not clamp vise jaws against the
shaft surface. Protect shaft surface before mount-
ing in a vice.
2.
Mount hydraulic cylinder in a vice. Remove dust
seal and retaining ring.
3.
and pulling on the shaft.
Extract shaft, head, and piston by carefully twisting
3. Mount shaft securely in a vise by clamping on the
clevis of the shaft. Slide head onto the onto the shaft.
Install piston and lock nut onto the shaft. Tighten lock
nut. Remove shaft from the vise.
IMPORTANT: Do not clamp vise jaws against the
shaft surface. Protect shaft surface before mount-
ing in a vice.
IMPORTANT: Prevent damage when clamping the
hydraulic cylinder into a vise; clamp on pivot end
only. Do not close vise enough to distort the barrel.
4.
clevis of the shaft. Remove lock nut and piston from the
shaft. Slide head off the shaft.
Mount shaft securely in a vise by clamping on the
4. Mount barrel in a vice.
5.
move poly–pack, O–ring, and back–up ring from the
head.
Remove Uni–ring and O–ring from the piston. Re-
5. Coat all internal parts with a light coat of clean hy-
draulic oil. Slide piston, shaft, and head assembly into
the barrel being careful not to damage the seals.
6.
Secure head in the barrel with the retaining ring.
Sand Pro 2020/3020/5020
Page 4 – 41
Hydraulic System (Rev. A)
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 3020, Toro 5020, Toro 98957SL.Toro 2020 |
| Download File |
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| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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