Toro Groundsmaster 1200 Service Manual page 47

Removing the Rear Cutting Unit Lift Arm Assembly (continued)
Installing the Rear Cutting Unit Lift Arm Assembly
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1. Lock nut (2 each)
2. Hub support assembly (2 each)
3. Tapered stud (2 each)
4. Grease fitting (2 each)
Groundsmaster® 1200 Pull-Behind Rotary Mower
18235SL Rev A
6. Remove the nuts, bolts and washers that secures the hub support assembly
to the cutting unit assembly.
7. Remove the cutting unit lift arm assembly from the machine.
8. As required, disassemble the lift arm assembly:
A. Remove the flange nut (7) and carefully drive the tapered shaft and hub
support from the lift arm.
B. Remove the retaining ring and spherical bearing from the lift arm.
C. Press the flange bushing from the lift arm. Thoroughly clean lift arm bore.
D. If necessary, remove the lock nut (1), washer (20) and press the hub
support (2) from the tapered stud (3).
E. If necessary, remove the grease fitting from the lift arm.
5. Spherical bearing (2 each)
6. Retaining ring (2 each)
7. Flange nut (2 each)
8. Lift arm LH assembly
1. If removed, install the components to the lift arm:
A. The grease fitting (4) into the lift arm (8).
B. Lightly lubricate the new flange bushings (11) and press the bushings all
the way into lift arm. Ensure that the bushing flange is pressed fully to
the lift arm surface.
C. The spherical bearing (5) onto the tapered stud (3) and secure with the
flange nut (7). Install the stud (3) and spherical bearing into the lift arm
and secure with the retaining ring (6).
Figure 16
10.
11.
Page 3–19
9. Flat washer (2 each)
Lift arm RH assembly
Flange bushing (4 each)
Chassis: Service and Repairs