Toro Groundsmaster 4500-D Service Manual page 295

Removal (Fig. 13)
1. Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
2. Remove cutting deck from lift arm (see Cutting Deck
Operator's Manual).
3. Remove lift cylinder pin (item 10) that secures lift cyl-
inder to lift arm.
4. Loosen and remove lock nut (item 17) from pivot pin.
5. Support lift arm and pull lift arm pivot pin from lift arm
and frame. Locate and remove thrust washer (item 14)
from rear of lift arm during pivot pin removal.
6. Remove lift arm from machine.
7. Disassemble lift arm as needed using Figure 13 as
a guide.
8. Clean lift arm and pivot pin. Inspect lift arm bushings
and pivot pin for damage or wear. Replace worn or dam-
aged components.
Installation (Fig. 13)
1. Assemble lift arm using Figure 13 as a guide.
2. Position lift arm to frame. Fit thrust washer (item 14)
between rear of lift arm and frame. Slide pivot pin into
frame and lift arm. Align roll pin in pivot pin with slot in
frame flange.
3. Install and tighten lock nut (item 17) to secure lift arm
pivot pin.
4. Secure lift cylinder to lift arm with cylinder pin (item
10). Secure cylinder pin to lift arm with flange head
screw and flange nut.
Groundsmaster 4500--D/4700--D
NOTE: Install thrust washer (item 9) on deck pivot shaft
before installing cutting deck on pivot shaft.
5. Position and install cutting deck to lift arm (see Cut-
ting Deck Operator's Manual).
NOTE: The lift arms for cutting decks #2 and #3 are
fitted with a lift arm rotation stop block (item 3). This stop
is to keep the deck stable while raised. To adjust rotation
stop, remove two (2) set screws from stop and fully raise
cutting deck to position the stop. Apply Loctite #242 (or
equivalent) to set screws and install set screws to se-
cure stop. The rotation stop should contact the lift arm
across the full width of the stop.
6. Lubricate lift arm and lift cylinder grease fittings after
assembly is complete.
7. After assembly, raise and lower the cutting deck to
verify that hydraulic hoses and fittings do not contact
anything.
#4 Deck
#6 Deck
(GM4700)
CUTTING DECK LOCATIONS
Page 7 - - 13
#1 Deck #5 Deck
#2 #3
#7 Deck
Deck Deck
(GM4700)
Figure 14
Chassis