Disassembly
IMPORTANT: Do not clamp vise jaws against the
shaft surface. Protect shaft surface before mount-
ing in a vice.
1.
pumping the cylinder shaft. Plug both ports and clean
the outside of the cylinder.
Removeoilfromliftcylinderintoadrainpanbyslowly
3. Mountshaftsecurelyinavisebyclampingonthecle-
vis of the shaft.
IMPORTANT: Prevent damage when clamping the
hydraulic cylinder into a vise; clamp on the clevis
only. Do not close vise enough to distort the barrel.
A. Coat shaft with with clean hydraulic oil.
B. Slide head onto the onto the shaft. Install rod seal
onto shaft and into head.
2.
Mount lift cylinder in a vice. Remove internal collar
with a spanner wrench.
C. Install piston and nut onto the shaft. Torque nut
3.
Extract shaft, head, and piston by carefully twisting
from 24 to 30 ft--lb (33 to 41 N--m).
and pulling on the shaft.
D. 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 the clevis
only. Do not close vise enough to distort the barrel.
4.
vis of the shaft. Remove lock nut and piston from the
shaft. Slide head off the shaft.
Mountshaftsecurelyinavisebyclampingonthecle-
4.
5.
Mount barrel in a vice.
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.
5.
move O--ring,back--upring, rodseal, anddust sealfrom
the head.
Remove Uni--ring and O--ring from the piston. Re-
6.
Clean threads of internal collar and threads in cylin-
der barrel. Apply medium strength thread locking com-
pound (e.g. Loctite #242) to threads of internal collar.
Secure head in the barrel with internal collar using a
spanner wrench. Tighten collar until snug and the outer
end of the collar is flush with end of the barrel.
Reassembly
1.
2.
Make sure all parts are clean before reassembly.
Coat new O--rings, Uni--rings, rod seal, back--up
ring, and dust seal with with clean hydraulic oil.
A. Install Uni--ring and O--ring to the piston.
B. Install dust seal, O--ring, back--up ring, and dust
seal to the head.
Greensmaster 3250--D
Page 4 -- 87
Hydraulic System (Rev. I)
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Tags | Toro Greensmaster 3250 D |
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| Document Type | Service Manual |
| Language | English |
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