Toro Groundsmaster 1200 Service Manual page 48

Installing the Rear Cutting Unit Lift Arm Assembly (continued)
Chassis: Service and Repairs
D. Thoroughly clean the tapered surfaces of the stud (3) and mounting
boss of hub support. Secure the hub support to tapered stud with a flat
washer and lock nut. Tighten the lock nut (1) from 184 to 223 N·m (135
to 165 ft-lb).
2. Position the slotted hole of the hub supports toward the rear of the machine
and install the cutting unit lift arm assembly (10) to the cutting unit and secure
with 4 nuts, bolts and washers.
3. Align the lift arm assembly (10) to the frame and install the lift arm pin
assembly (15) and bolt.
4. Install the lift cylinders to the cutting unit lift arm; refer to
Unit Lift Cylinder (page
5. Install the cutting unit covers.
6. Lubricate the grease fittings after the assembly is complete; refer to
Groundsmaster 1200 Operator's Manual.
7. Before returning the machine to service, raise and lower the cutting unit to
verify that hydraulic hoses and fittings do not contact anything throughout
the full range of movement.
4–10).
Page 3–20 Groundsmaster® 1200 Pull-Behind Rotary Mower
Installing the Cutting
18235SL Rev A