Disassembly (Fig. 79)
Removeoilfromliftcylinderintoadrainpanbyslowly
Assembly (Fig. 79)
1.
1. Make sure all parts are clean before reassembly.
pumping the cylinder shaft. Plug both ports and clean
the outside of the cylinder.
2.
back--up ring, and dust seal with clean hydraulic oil.
Coat new O--rings, T--seal, wear ring, rod seal,
IMPORTANT: Prevent damage when clamping the
cylinder’s barrel into a vise; clamp on the clevis
only. Do not close vise enough to distort the barrel.
A. InstallT--seal,wearring,andO--ringtothepiston.
B. Install dust seal, O--ring, back--up ring, and dust
seal to the head.
2.
Mount lift cylinder into a vise. Use of a vise with soft
jaws is recommended.
IMPORTANT: Do not clamp vise jaws against the
shaft surface. Protect shaft surface before mount-
ing in a vise.
3.
Remove retaining ring that secures head in barrel.
A. Use a spanner wrench to rotate head clockwise
until the edge ofthe retaining ring appears in the bar-
rel opening.
3.
vis of the shaft.
Mountshaftsecurelyinavisebyclampingonthecle-
A. Coat shaft with clean hydraulic oil.
B. Insert a screwdriver under the beveled edge of
the retaining ring to start the retaining ring through
the opening.
B. Slide head and piston onto the shaft. Secure pis-
ton to shaft with locknut.
C. Rotatetheheadcounter--clockwisetoremovere-
taining ring from barrel and head.
4.
shaft assembly carefully into cylinder barrel.
Lubricate head and piston with hydraulic oil. Slide
4.
ing and pulling on the shaft.
Extract shaft with head and piston by carefully twist-
IMPORTANT: Prevent damage when clamping the
cylinder’s barrel into a vise; clamp on the clevis
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 vise.
5.
Mount lift cylinder into a vise. Secure head in barrel
with retaining ring.
5.
vis of the shaft. Remove lock nut and piston from the
shaft. Slide head off the shaft.
Mountshaftsecurelyinavisebyclampingonthecle-
A. Align retaining ring hole in the head with the ac-
cess slot in the barrel.
B. Insert the retaining ring hook into the hole and ro-
tate head clockwise until the retaining ring is com-
pletely pulled into the barrel and the ring ends are
covered.
6.
ton. Remove O--ring, back--up ring, rod seal, and dust
seal from the head.
Remove T--seal, o--ring, and wear ring from the pis-
7.
pressed air. Do not wipe parts dry with paper towels or
cloth. Lint in a hydraulic system will cause damage.
Wash parts in clean solvent. Dry parts with com-
8.
Carefully inspect internal surface of barrel for dam-
age (deep scratches, out--of--round, etc.). Replace en-
tire cylinder if barrel is damaged. Inspect piston rod and
piston for evidence of excessive scoring, pitting, or
wear. Replace any damaged parts.
Groundsmaster 4100--D
Page 4 -- 101 Rev. E
Hydraulic System
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| Tags | Toro Groundsmaster 4100 D |
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| Language | English |
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