Removal (Fig. 32)
Park the machine on a level surface, engage the
parkingbrake,lowerthecuttingdeck(orimplement)and
stop the engine. Remove the key from the ignition
switch.
Installation (Fig. 32)
1.
1. Coat new o--rings lightly with clean hydraulic oil.
Install hydraulic fittings with new o--rings to the lift cylin-
der.
2.
Position lift cylinder to the frame with the barrel end
2.
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
Read the General Precautions for Removing and
up.
3.
Slide cap screw (item 2) through lift cylinder and
frame mounting holes.
4.
inder pin (item 10) through the lift cylinder and lift arm.
Align lift cylinder to lift arm mounting holes. Slide cyl-
CAUTION
5.
6.
Secure cylinder pin with cotter pin (item 9).
Operate all hydraulic controls to relieve system
pressure and avoid injury from pressurized hy-
draulic oil.
Remove caps and plugs from disconnected hoses
and fittings.
7.
hydraulic fittings on lift cylinder. Tighten hose connec-
tions.
Install new o--ring(s) and connect hydraulic hoses to
3.
derthatistoberemoved.Allowhosestodrainintoasuit-
able container. Remove and discard o--rings.
Disconnect hydraulic hoses from fittings in lift cylin-
8.
and adjust as required (see Traction Unit Operator’s
Manual).
Check hydraulic fluid level in reservoir (front axle)
4.
to prevent contamination.
Putcaps or plugs on disconnected hoses andfittings
5.
(item 10). Pull cylinder pin from the lift cylinder and lift
arm.
Remove one cotter pin (item 9) from the cylinder pin
9.
Follow Hydraulic System Start--up procedures.
6.
Remove lock nut (item 11) from cap screw (item 2)
that retains lift cylinder to frame.
7.
Support liftcylinderandslidecapscrew(item2)from
the lift cylinder and frame.
8.
9.
Lower lift cylinder from the frame.
Remove hydraulic fittings and o--rings from the lift
cylinder as required. Discard o--rings.
Groundsmaster 3280--D/3320
Page 5 -- 41
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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