Toro Reelmaster 5210, Руководство по обслуживанию

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Rev. B
Reelmaster 5010 Series Hydraulic System (Rev. C) Page 4 -- 105
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.
4. Remove plugs from ports. Extract shaft, head and
piston by carefully twisting and pulling on the shaft.
IMPORTANT: Do not clamp vise jaws against the
shaft surface. Clamp on the clevis ONLY.
5. Mount shaft securely in a vise by clamping on the cle-
vis of the shaft. Remove lock nut and piston from the
shaft. Carefully slide head off the shaft.
6. Taking care to not scratch or damage the piston, re-
move cap seal and O--rings from the piston.
7. Taking care to not scratch or damage the head, re-
move O--ring, back--up washer, wiper and u--cup from
the head.
Inspection
CAUTION
Use eye protection such as goggles when using
compressed air.
1. Wash all lift cylinder components in solvent. Dry
parts with compressed air.
2. Inspect internal surface of barrel for deep scratches,
out--of--roundness and bending.
3. Inspect head, shaft and piston for excessive pitting,
scoring and wear.
4. Replace lift cylinder if internal components are found
to be worn or damaged.
Assembly (Fig. 89)
1. Make sure all lift cylinder parts are clean before as-
sembly.
2. Coat new O--rings, back--up washer and other seals
with clean hydraulic oil.
A. Carefully install cap seal and O--rings to the pis-
ton.
B. Carefully install back--up washer, O--ring, u--cup
and wiper to the head.
IMPORTANT: Do not clamp vise jaws against the
shaft surface. Clamp on the clevis ONLY.
3. Mount shaft securely in a vise by clamping on the cle-
vis of the shaft.
A. Coat shaft with clean hydraulic oil.
B. Slide head onto the shaft.
C. Install piston onto the shaft and secure with lock
nut. Torque lock nut from 30 to 35 ft--lb (41 to 47
N--m) .
D. Remove shaft assembly from the vise.
IMPORTANT: Prevent damage when clamping the
hydraulic cylinder into a vise; clamp on the clevis
end of the barrel ONLY.
4. Mount barrel securely in a vise by clamping on the
clevis end of the barrel.
IMPORTANT: When installing the head into the bar-
rel, pay careful attention to the retaining ring slot in
the barrel to insure that the piston and head seals do
not lodge in the slot.
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 barrel by installing retaining ring.
Align retaining ring hole in the head with the access slot
in the barrel. Insert the retaining ring hook into the hole
and rotate head clockwise until the retaining ring is com-
pletely pulled into the barrel and the ring ends are cov-
ered.
Hydraulic System