Toro 30722 Operator's Manual page 18

the cutting unit, drive the roll pin out of the yoke at
traction unit PTO shaft and remove the entire drive
shaft from the traction unit.
Figure 21
1. Drive shaft yokes
2. Yokes in phase
DANGER
If the engine is started and the PTO shaft is
allowed to rotate, serious injury could result.
Do not start the engine and engage the PTO
lever when the PTO shaft is not connected to
the gear box on the cutting unit.
4. Disconnect the spring from the lift cylinder cotter pin.
Remove the cotter pins and clevis pins securing the
lift chains to the lift arm.
WARNING
The right-hand push arm is spring loaded to
about 45 kg (100 lb.) and the left-hand push
arm is spring loaded to about 150 lb. (68 kg).
Sudden release of the push arm could cause
injury.
Another person is needed to push the arm
down during this procedure.
5. Have another person push down on the right push
arm while you remove the capscrews, flat washers, and
locknuts securing the ball joint mount to the castor
arm on the cutting unit (Figure 22). Now the helper
can carefully allow the push arm to move upward,
which will gradually release the 45 kg (100 pounds) of
spring load.
3. Roll pin and capscrews
1. Right-hand push arm
2. Castor arm
3. Ball joint mount
6. Have another person push down on the left push arm
while you remove the capscrews, flat washers, and
locknuts securing the ball joint mount to the castor
arm on the cutting unit (Figure 23). Now the helper
can carefully allow the push arm to move upward,
which will gradually release the 68 kg (150 pounds) of
spring load
1 2
7
1. Flange nuts
2. Ball joint
3. Jam nut
4. Left-hand push arm
7. Roll the cutting unit away from the traction unit.
18
Figure 22
4. Capscrews and washers
5. Ball joint
6. Jam nut
3 4
Figure 23
5. Ball joint mount
6. Capscrews and washers
7. Castor arm
5
6
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