Removal (Fig. 114)
Park machine on a level surface, lower cutting
decks, stop engine, apply parking brake and remove
key from the ignition switch.
Installation (Fig. 114)
1.
1. If fittings were removed from lift cylinder, lubricate
and place new O--rings onto fittings. Install fittings into
port openings using marks made during the removal
process to properly orientate fittings. Tighten fittings
(see Hydraulic Fitting Installation in the General Infor-
mation section of this chapter).
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
2.
ot pin into frame and clevis. Secure pivot pin with cotter
pin.
Positioncylinder barrelclevistoframeandinsertpiv-
3.
lift cylinder removal, thoroughly clean exterior of cylin-
der and fittings.
To prevent contamination of hydraulic system during
3.
shaft clevis. Secure pin toliftarm with cap screw, two (2)
flat washers and lock nut.
Insert pin assembly through lift arm and cylinder
WARNING
4.
Hose and Tube Installation in the General Information
section of this chapter).
Attach hydraulic hoses to lift cylinder (see Hydraulic
Make sure that front cutting deck is fully lowered
before loosening hydraulic lines from front deck
lift cylinders. If deck is not fully lowered as hy-
draulic lines are loosened, deck may drop unex-
pectedly.
5. Fill reservoir with hydraulic fluid as required.
6.
After assembly is completed, operate lift cylinder to
verify that hydraulic hoses and fittings are not contacted
by anything.
NOTE: To ease installation, tag the hydraulic hoses to
show their correct position on the lift cylinder.
4.
5.
that secure the pin assembly to the lift arm. Remove pin
assembly from lift arm and cylinder shaft clevis which
will free lift cylinder from lift arm.
Disconnect hydraulic hoses from lift cylinder.
Remove lock nut, two (2) flat washers and cap screw
6.
upper end of lift cylinder to machine. Pull pivot pin from
frame and cylinder barrel clevis.
Remove one cotter pin from pivot pin that secures
7.
8.
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 4000--D/4010--D
Page 4 -- 147
Hydraulic System
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