Toro Groundsmaster 4300-D Service Manual page 359

Removing the Rear Lift Arms
Groundsmaster ® 4300-D
16226SL Rev C
1. Park the machine on a level surface, lower the cutting decks, shut off the
engine, set the parking brake, and remove the key from the key switch.
2. Remove the cutting deck from the rear lift arm to be removed; refer to
Removing the Cutting Deck Carrier Frame (page
g185928
1. Lift cylinder
2. Retaining ring (2 each)
3. Thrust washer (2 each)
4. Cylinder pin
3. Disconnect the lift cylinder from lift arm (item 7 in
A. Remove 1 retaining ring and thrust washer from the cylinder pin that
secures the lift cylinder to the lift arm.
B. Pull the cylinder pin from the lift cylinder and lift arm. Locate and retrieve
the second thrust washer.
C. Remove washer-head screw that secures the R-clamp to the lift arm.
Position the R-clamp and hydraulic hoses away from the lift arm.
D. Pivot the lift cylinder rod end away from the lift arm.
4. Remove the fasteners that secure the bridge plate (item 1 in
and bulkhead bracket to the machine. Position the bulkhead bracket with
attached hydraulic hoses away from the lift arm. Remove the bridge plate.
5. Slide the rear lift arm from the lift arm pivot shaft (item 13 in
6. Inspect the flange bushings in the lift arm for wear or damage. If necessary,
replace the bushings as follows:
Note: Do not damage the bore of the lift arm during bushing removal.
A. Use a bushing removal tool to extract both the flange bushings from the
lift arm.
B. Clean the inside of the bore to remove any dirt or unwanted material.
C. Apply grease to the inner and outer surfaces of the new bushings.
D. Use an arbor press to install the bushings into the lift arm. Lift arm
bushings should be pressed until bushing flange is against the lift arm
bore.
E. After bushing installation, ensure that the lift arm slides easily onto the
pivot shaft. If there is any binding, locate and correct the source of
binding.
Figure 223
5. Washer-head screw
6. R-clamp
7. #2 lift arm
Page 6–35
7–24).
Figure 223) as follows:
Figure 222)
Figure 222).
Chassis: Service and Repairs