Toro Groundsmaster 4300-D Service Manual page 360

Removing the Rear Lift Arms (continued)
Installing the Rear Lift Arms
Chassis: Service and Repairs
7. If necessary, remove the bolt that secures the cutting deck pivot shaft (item
8 in Figure 222) 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 13 in
222) from the frame. Discard the roll pin.
1. If the lift arm pivot shaft (item 13 in
apply anti-seize lubricant to the pivot shaft surface and insert the shaft into
the frame. Align the holes in the frame with the pivot shaft. Secure the pivot
shaft with new roll pin.
2. If the cutting deck pivot shaft (item 8 in
arm, insert the cutting deck pivot shaft in the lift arm and secure with the bolt.
3. Slide the rear lift arm onto the pivot shaft.
4. Secure the rear lift arm to the machine as follows:
A. Apply medium strength threadlocker (or equivalent) to the threads of the
bolts (items 4, 5, and 7 in
B. Position the bridge plate and bulkhead bracket with attached hydraulic
hoses to the lift arm and frame bracket.
C. Install the bolts, flat and thrust washers (items 3 and 6 in
locknut (item 14 in
shafts, and frame bracket.
D. Tighten the 1/2 inch fasteners (items 5 and 7 in
N∙m (108 to 135 ft-lb)109 to 135 N∙m (80 to 100 ft-lb). Then, tighten
the 5/8 inch fasteners (item 4 in
to 165 ft-lb).
5. Connect the lift cylinder to the lift arm (item 7 in
A. Align the lift cylinder rod end with the lift arm mounting hole.
B. Slide the cylinder pin with the retaining ring and thrust washer through
the lift cylinder and lift arm.
C. Install the second thrust washer on the pin and secure with the second
retaining ring.
D. Position the R-clamp and hydraulic hoses to the lift arm and secure the
R-clamp with the washer-head screw.
6. Mount the cutting deck to the lift arm; refer to
Carrier Frame (page
7. Lubricate the lift arm and lift cylinder grease fittings.
Figure 222) was removed from the frame,
Figure
Figure 222).
Figure 222) to the bridge plate, bulkhead bracket, pivot
Figure
7–24).
Page 6–36
222) was removed from the lift
Figure
Figure 222) to 80 to 100
222) to 183 to 223 N∙m (135
Figure 223) as follows:
Installing the Cutting Deck
Groundsmaster
16226SL Rev C
Figure
222), and
® 4300-D