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Greensmaster 3150 Hydraulic SystemPage 4 -- 83
Front Lift Cylinder Removal (Fig. 62)
1. Before removing any parts from the hydraulic sys-
tem, park the machine on a level surface, engage the
parking brake, lower the cutting units and stop the en-
gine.
CAUTION
Before continuing further, read and become fa -
miliar with General Precautions for Removing
and Installing Hydraulic System Components.
2. Label all hydraulic connections for assembly pur-
poses.
3. Disconnect hydraulic hoses and O--rings from the
hydraulic fittings at the lift cylinder. Allow hoses to drain
intoasuitablecontainer.
4. Remove cotter pin and clevis pin that secure the lift
cylinder clevis to the lift arm.
5. Support lift cylinder to prevent it from dropping.
A. Remove cap screw and washer from the pivot pin
(item 8).
B. Pull pivot pin from the frame, spacers and lift cyl-
inder. Note that thicker spacer is toward the center of
the machine.
C. Remove hydraulic cylinder from the frame.
6. If necessary, remove hydraulic fittings from lift cylin-
der.
NOTE: See Lift Cylinder Service in this section for in-
formation on lift cylinder service.
Front Lift Cylinder Installation (Fig. 62)
1. If fittings were removed from lift cylinder, lubricate
and place new O--rings onto fittings. Install fittings into
lift cylinder ports. Tighten fittings (see Hydraulic Fitting
Installation in the General Information section of this
chapter).
2. Position lift cylinder to the machine.
3. Insert pivot pin (item 8) through the outer frame
bracket, thinner spacer, lift cylinder, thicker spacer and
inner frame bracket. Secure pin to frame with cap screw
and washer.
4. Position clevis of the lift cylinder to the lift arm. Se-
cure lift cylinder clevis to the lift a rm with clevis pin and
cotter pin.
5. Connect hydraulic hoses with new O--rings to the hy-
draulic fittings on the lift cylinder. Tighten hose connec-
tions (see Hydraulic Hose andTubeInstallationinthe
General Information section of this chapter).
6. Make sure that hydraulic reservoir is at correct level.
7. Start machine. Run machine at idle for several min-
utes to circulate hydraulic fluid and remove any air
trapped in the system. Stop machine and recheck hy-
draulic reservoir level.
Hydraulic
System