Toro Groundsmaster 4300-D Service Manual page 356

Removing the Front Lift Arms
Chassis: Service and Repairs
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 front lift arm to be removed; refer to
Removing the Cutting Deck Carrier Frame (page
g185927
1. Cylinder pin
2. Thrust washer (2 each)
3. Retaining ring (2 each)
3. Disconnect the lift cylinder from the lift arm (item 5 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. Pivot the lift cylinder rod end away from the lift arm.
4. Remove the fasteners that secure the tipper bracket (item 8 or 18 in
220) to the machine, and remove the tipper bracket.
5. Slide the front lift arm from the lift arm pivot shaft (item 3 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.
7. If necessary, remove the bolt that secures the cutting deck pivot shaft (item
7 in Figure 220) in the lift arm. Remove the cutting deck pivot shaft from
the lift arm.
8. If necessary, remove the roll pin and lift arm pivot shaft (item 3 in
from the frame. Discard the roll pin.
Figure 221
4. Lift cylinder
5. #1 lift arm
Page 6–32
7–24).
Figure 221) as follows:
Figure
Figure 220).
Figure
Groundsmaster ® 4300-D
16226SL Rev C
220)