Removal (Fig. 95)
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: To ease reassembly, tag the hydraulic hoses to
showtheircorrectpositionontheliftcylinder.Also,clean
hydraulic fittings and hose ends prior to disconnecting
the hoses.
#
2
#3
Deck
#
6 Deck
#7 Deck
(GM4700)
Deck
(GM4700)
3.
Disconnect hydraulic hoses from lift cylinder.
4.
Remove lock nuts (9) that secure link assembly (5).
Removerearlink(8)fromlinkassembly.Pulllinkassem-
bly from support frame, lift links (4), and cylinder shaft
clevis whichwillfreeliftcylinderfromliftarm.Locateand
removeplasticrollers(7)positioned onbothsides ofcyl-
inder clevis.
CUTTING DECK LOCATIONS
Figure 96
5.
pin (2) to the support frame. Pull pin from frame and cyl-
inder barrel clevis.
Remove one retaining ring that secures the cylinder
6.
Remove lift cylinder from machine.
Installation (Fig. 95)
Position cylinder barrel clevis to support frame and
1.
insert cylinder pin (2) into frame and clevis. Secure pin
with retaining ring.
2.
Position plastic rollers (7) to cylinder shaft clevis. In-
sert link assembly (5) through support frame, lift links
plastic rollers, and cylinder shaft clevis. Install rear
(4),
link to link assembly and secure assembly with lock
nuts.
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 -- 111
Hydraulic System (Rev. A)
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