Toro 30722 Groundsmaster 300 Operator's Manual page 12

Figure 11
1. PTO shield
Warning
The right-hand push arm is spring-loaded to about
100 lb. (445 N). Sudden release of the push arm
could result in injury.
Another person is needed to push the arm down.
3. Have another person carefully push down on the push
arm until the holes in the ball joint mount line up with
the holes in the castor arm.
4. Secure the ball joint mount to the castor arm (Fig. 12)
with 2 capscrews (7/16 x 3 in.), flat washer (7/16 in.),
and nuts (7/16 in.). The head of the capscrew and the
large flat washer must be outside of the castor arm.
5. Tighten the large jam nut against the front of the right
push arm (Fig. 12). When tightening the jam nut, hold
the ball joint straight to permit proper oscillation during
raising and lowering of the cutting unit.
Figure 12
1. Right-hand push arm
2. Castor arm
3. capscrews and flat
washers
2. Self-tapping screw (2)
4. Ball joint mount
5. Flange locknuts
6. Jam nut
7. Ball joint
12
Connecting the Left-Hand Push
Arm to the Cutting Unit
1. Remove the capscrews, nuts, and flat washers from the
push arm mount holes in the left castor arm.
Warning
The left-hand push arm is spring-loaded to about
150 lb. (667 N). Sudden release of the push arm
could result in injury.
Another person is needed to push the arm down.
2. Have another person carefully push down on the push
arm until the ball joint mount contacts the front of the
mount bracket on the cutting unit. Immediately slide a 4
x 4 in. (102 x 102 mm) block of wood between the top
of the push arm and the underside of the chassis.
Warning
Make sure that the wooden block does not
accidentally slip out.
Note: If the holes in the ball joint mount do not line up
with the holes in the mount bracket, turn the ball joint until
correct alignment results.
3. Secure the ball joint mount (Fig. 13) to the mount
bracket with 2 capscrews (7/16 x 3 in.), flat washer
(7/16 in.), and nuts (7/16 in.). The head of the
capscrews and flat washer must contact the ball joint
mount.
4. Tighten the large jam nut against the front of the left
push arm (Fig. 13). When tightening the jam nut, hold
the ball joint straight to permit proper oscillation during
raising and lowering of the cutting unit.
5. Carefully remove the block holding the push arm down.