Removal (Fig. 93)
Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch.
1.
#4
Deck
#1 Deck
#5 Deck
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
NOTE: Before disconnecting the hydraulic lines, clean
the port area of the steering valve assembly.
#
2
#3
Deck
#
6 Deck
#7 Deck
(GM4700)
Deck
(GM4700)
NOTE: To ease reassembly, tag the hydraulic hoses to
showtheircorrectpositionontheliftcylinder.Also,clean
hydraulic fittings and hose ends prior to disconnecting
the hoses.
3.
4.
cure the cylinder pin (2) to the lift arm. Remove pin from
lift arm and cylinder shaft clevis.
Disconnect hydraulic hoses from lift cylinder.
CUTTING DECK LOCATIONS
Figure 94
Remove flange head screw and flange nut that se-
5.
Remove cylinder pin from the frame and cylinder barrel
clevis.
Remove one retaining ring from the cylinder pin (8).
6.
Remove lift cylinder from machine.
Installation (Fig. 93)
Position cylinder barrel clevis toframeand insertcyl-
1.
inder pin (8) with one retaining ring installed through the
frame and cylinder clevis. Secure pin with second re-
taining ring.
2.
shaftclevis.Securepintoliftarmwithflangeheadscrew
and flange nut.
Insertcylinderpin(2)throughtheliftarmandcylinder
3.
Attach hydraulic hoses to lift cylinder.
4.
Fill reservoir with hydraulic fluid as required (see
Traction Unit Operator’s Manual).
5.
verify that hydraulic hoses and fittings are not contacted
by anything.
After assembly is completed, operate lift cylinder to
Groundsmaster 4500--D/4700--D
Page 4 -- 109
Hydraulic System (Rev. A)
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