Disassembly (Fig. 68)
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.
7. Wash parts in clean solvent. Dry parts with com-
pressed air. Do not wipe parts dry with paper towels or
cloth. Lint in a hydraulic system will cause damage.
1.
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 rod and piston
for evidence of excessive scoring, pitting or wear. Re-
place any damaged parts.
IMPORTANT: To prevent damage when clamping
cylinder in a vise, clamp only on pivotal ends. Use
of a vise with soft jaws is recommended.
2.
up slightly. Do not close vise so firmly that cylinder tube
could become distorted.
Mountcylinder inaviseso rodend ofcylinder istilted
Assembly (Fig. 68)
1. Use a complete repair kit when rebuilding the cylin-
der. Put a coating of clean hydraulic oil on all new seals
and O--rings.
3.
Loosen head from tube:
A. Use a spanner wrench to rotate head clockwise
untiltheedgeoftheretainingringappearsinthetube
opening.
2.
InstallnewO--ringsandsealstothepistonandhead.
3. Lubricate shaft with clean hydraulic oil. Slide head
ontoshaft.Installandtightenhead.Torqueheadfrom45
to 55 ft--lb (62 to 74 N--m).
B. Insert a screwdriver under the beveled edge of
the retaining ring to start the retaining ring through
the opening.
4. Put a coating of clean hydraulic oil on all cylinder
parts to ease assembly.
C. Rotatetheheadcounter--clockwisetoremovere-
taining ring from tube and head.
5. Slide rod assembly into cylinder tube.
4.
ing motion to carefully extract piston, piston rod and
head from cylinder tube.
Grasp end of piston rod and use a twisting and pull-
6. Mount steering cylinder in a vise with soft jaws. Se-
cure head in barrel:
A. Align retaining ring hole in the head with the ac-
cess slot in the tube.
IMPORTANT: Do not clamp vise jaws against piston
rod surface; the piston rod will become damaged.
B. Insert the retaining ring hook into the hole and ro-
tate head clockwise until the retaining ring is com-
pletely pulled into the tube and the ring ends are
covered.
5.
and remove piston. Remove head from rod.
Securely mount piston, piston rod and head into vise
6.
Remove and discard all seals and O--rings from
head and piston.
C. Apply silicone sealer to tube access slot.
Groundsmaster 4100--D
Page 4 -- 101
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 30413, Toro Groundsmaster Groundsmaster 4100 D |
| Download File |
|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. 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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| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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At only 700mm wide the Mini Dumper is even at home on tight access
sites. No need to grunt, groan, and force the
mower about the yard. The US will be getting a revised 2011 Jeep Wrangler but the diesel option will not be offered in the United States.