Toro Groundsmaster 4500-D Series Service Manual page 420

Removal (Figure 288) (continued)
Installation (Figure
Chassis: Service and Repairs
#6 Deck
(GM4700)
g308386
3. Remove lift cylinder pin (item 10) that secures lift cylinder 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
8. Clean lift arm and pivot pin. Inspect lift arm bushings and pivot pin for
damage or wear. Replace worn or damaged components.
288)
1. Assemble lift arm using
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.
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 Cutting 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 secure 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 #1 Deck
#2 #3
Deck Deck
Figure 289
CUTTING DECK LOCATIONS
Figure 288
Figure 288 as a guide.
Page 8–16
#5 Deck
#7 Deck
(GM4700)
as a guide.
Groundsmaster ® 4500-D/4700-D
19245SL Rev A