Toro 08161SL Service Manual Model 30412 Groundsmaster 4000 D Preface Publication

Disassembly (Figs. 94 and 95)
Removeoilfromliftcylinderintoadrainpanbyslowly
pumping the cylinder shaft. Plug  both ports and clean
the outside of the cylinder.
Assembly (Figs. 94 and 95)
1.
1.  Make sure all cylinder components are clean before
assembly.
2.
Coat new seal kit components with clean hydraulic
IMPORTANT: Prevent  damage when clamping  the
cylinder in a vise; clamp on the clevis only.
oil.
A.  Install new seals and O--rings to the piston.
2.
the clevis end of the barrel. Use of a vise with soft jaws
is recommended.
Mount lift cylinder securely in a vise by clamping on
B.  Install new seals, O--ring and back--up ring to the
head.
IMPORTANT: Do  not clamp  vise jaws  against the
shaft surface.
3.
Loosen head from barrel:
A.  Use a spanner wrench to rotate head clockwise
until the edge ofthe retaining ring appears in the bar-
rel opening.
3.
Mountshaftsecurelyinavisebyclampingonthecle-
vis of the shaft.
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.  Carefully slide head  and piston onto  the shaft.
Secure piston to shaft with lock nut.
C. Rotatetheheadcounter--clockwisetoremovere-
taining ring from barrel and head.
C. Torque lock nut to specification in Figure 94 (side
deck cylinder) or 95 (front deck cylinder).
4.
ing and pulling on the shaft.
Extract shaft with head and piston by carefully twist-
4.
Carefully slide shaft assembly into cylinder barrel.
Lubricate head and piston  with clean hydraulic oil.
IMPORTANT: Do  not clamp  vise jaws  against the
shaft surface.
IMPORTANT: Prevent  damage when clamping  the
cylinder’s barrel  into a  vise; clamp  on the  clevis
only.
5.
Mountshaftsecurelyinavisebyclampingonthecle-
vis of the shaft.  Remove lock nut and piston  from the
shaft. Slide head off the shaft.
5.
head in barrel:
Mount lift cylinder  in a vise  with soft jaws. Secure
6.
piston and the head.
Remove and discard all seals and O--rings from the
A.  Align retaining ring hole in the head with the ac-
cess slot in the barrel.
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-
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.
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 ofexcessive scoring, pitting or wear.
Replace any damaged parts.
C. Apply silicone sealer to barrel access slot.
Groundsmaster 4000--D
Page 4 -- 137
Hydraulic System
Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
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- 298 pages
Document TypeCatalog
LanguageEnglish
Product BrandToro. 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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