Toro Groundsmaster 4500-D Service Manual page 147

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