Toro 02097SL Rev E Service Manual Groundsmaster 4000 D Service Manual

Disassembly
2.  Install new O--rings and PTFE seal to the piston rod
and new O--ring, U--cup, and wiper to gland.
1.
Pump oil out of cylinder into a drain pan by SLOWLY
moving rod and piston in and out of cylinder bore. Plug
ports and clean outside of cylinder.
3.  Lubricate shaft with clean hydraulic oil. Slide gland
and piston onto shaft. Install and tighten lock nut.
IMPORTANT: To  prevent  damage when  clamping
cylinderbarrelorrodinavise,clamponly     onpivotal
ends. Use of a vise with soft jaws is recommended.
4.  Put a  coating of clean  hydraulic oil on  all cylinder
parts to ease assembly.
5.
6.
Slide piston rod assembly into cylinder tube.
2.
Mount cylinder in a vise so piston rod end of cylinder
is tilted up slightly. Do not close vise so firmly that cylin-
der tube could become distorted.
Mount lift cylinder  in a vise  with soft jaws. Secure
gland (head) in barrel:
A.  On cylinders without a  retaining ring slot in the
barrel (Fig.  82), use  a spanner  wrench to  tighten
gland into barrel.
3.
Loosen gland (head) from barrel:
A.  On cylinders without a  retaining ring slot in the
barrel (Fig. 82), use a spanner wrench to loosen and
remove gland from barrel.
B.  On cylinders with a retaining ring (Fig. 83), 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
completely pulled into the barrel  and the ring ends
are covered.
B.  On cylinders with a retaining ring (Fig. 83), use a
spanner wrench to  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 opening. Rotate the head counter--clockwise to
remove retaining ring from barrel and head.
1
4.
ing motion  to carefully extract  piston, piston rod, and
gland from cylinder tube.
Grasp end of piston rod and use a twisting and pull-
IMPORTANT: Do   not   clamp   vise  jaws   against
smooth piston rod surface; the  piston rod will be-
come damaged.
5.
vise and  remove lock nut.  Remove piston  and gland
from rod.
Securely mount  piston, piston rod,  and gland  into
3
2
6.
7.
pressed air. Do not wipe parts dry with paper towels or
cloth. Lint in a hydraulic system will cause damage.
Remove all seals and O--rings.
Figure 83
Wash parts  in clean  solvent. Dry  parts with  com-
1.
2.
Barrel
Gland (head)
3.
Retaining ring
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.
Assembly
1.
der. Put a coating of clean hydraulic oil on all new seals,
and O--rings.
Use a complete repair kit when rebuilding the cylin-
Groundsmaster 4000--D
Page 4 -- 107  Rev. E
Hydraulic System (Rev. B)
Product Specification
CategoriesLawn Mower Manual, Toro Lawn Mower Manual
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- 250 pages
Document TypeService Manual
LanguageEnglish
Document File TypePDF
Publishertoro.com
Wikipedia's PageToro Company
CopyrightAttribution Non-commercial
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