Removal (Fig. 103)
Park machine on a level surface, lower cutting deck,
stop engine, engage parking brake and remove key
from the ignition switch.
Installation (Fig. 103)
1.
1. If fittings were removed from lift cylinder, lubricate
and place new O--rings onto fittings. Install fittings into
cylinder port openings using marks made during the re-
moval process to properly orientate fittings. Tighten fit-
tings (see Hydraulic Fitting Installation in the General
Information section of this chapter).
2.
Installing Hydraulic System Components at the begin-
ning of this section.
Read the General Precautions for Removing and
2.
per pivot pin into frame and clevis. Secure pivot pin with
cotter pin.
Position cylinder barrel clevis to frame and insert up-
3.
lift cylinder removal, thoroughly clean exterior of cylin-
der and fittings.
To prevent contamination of hydraulic system during
3.
Secure pin to lift arm with flange head screw and lock
nut.
Insert pin through lift arm and cylinder shaft clevis.
WARNING
4.
Remove caps and plugs from fittings and hydraulic
Make sure that cutting deck (including wing
decks) is fully lowered before loosening hydrau-
lic lines from lift cylinders. If decks are not fully
lowered as hydraulic lines are loosened, deck
may drop unexpectedly.
lines.Usinglabelsplacedduringcylinderremoval,prop-
erly attach hydraulic hoses to lift cylinder (see Hydraulic
Hose and Tube Installation in the General Information
section of this chapter).
5.
6.
verify that hydraulic hoses and fittings are not contacted
by anything.
Fill reservoir with hydraulic fluid as required.
NOTE: Toeaseinstallation,labelthehydraulichosesto
show their correct position on the lift cylinder.
After assembly is completed, operate lift cylinder to
4.
Disconnect hydraulic lines from lift cylinder and put
caps or plugs on open hydraulic lines and fittings. Label
disconnected hydraulic lines for proper installation.
5.
Support lift cylinder to prevent it from falling.
6.
Remove flange head screw and lock nut that secure
the pin (item 4) to the lift arm. Remove pin from lift arm
and cylinder shaft clevis which will free lift cylinder from
lift arm.
7.
Pull pivot pin from frame and cylinder barrel clevis.
Removeonecotterpinfromupperpivotpin(item11).
8.
9.
er,markfittingorientation toallowcorrect assembly.Re-
move fittings from cylinder and discard O--rings.
Remove lift cylinder from machine.
If hydraulic fittings are to be removed from lift cylind-
Groundsmaster 4100--D/4110--D
Page 4 -- 143
Hydraulic System
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