Maintenance; Lubrication; Disconnecting The Broom From The Traction Unit; Changing Brush Elements - Toro 30743 Operator's Manual

Maintenance

Caution
To prevent accidental starting of the engine, while
performing maintenance, shut engine off and
remove key from the ignition switch.
Note: Determine the left and right sides of the machine
from the normal operating position.

Lubrication

The broom must be lubricated regularly. If machine is
operated under normal conditions, lubricate with No. 2
general purpose lithium base grease after every 8 hours of
operation or daily, whichever comes first. Lubricate fittings
immediately after every washing regardless of the interval
listed.
The broom has (9) fittings that must be lubricated.
• Castor shaft bushings (2)
• Broom head pivot (1)
• Rotor bearing (1)
• Rotor yoke (1)
• Broom lift pivot tubes (4)
Disconnecting the Broom from
the Traction Unit
1. Position the traction unit on a level surface, lift the
broom to highest position and remove the 1/2" x 4" arm
lock pins and arm lock brackets.
2. Lower the broom, shut off engine and engage the
parking brake.
3. Remove the lift chain.
Warning
Since the right hand push arm is spring loaded to
about 100 pounds and left hand push arm is spring
loaded to about 150 pounds, a helper is needed to
push the push arm down. Sudden release of the
push arm could cause injury.
4. Have a helper carefully push down on right push arm
while you remove the capscrews, flat washers and
flange nuts securing the ball joint mount to the broom
mount. Now the helper can carefully allow the push arm
to move upward, which will gradually release the 100
pounds of spring load.
5. Have a helper carefully push down on left push arm
while you remove the capscrews, flat washers and
flange nuts securing the ball joint mount to the broom
mount. Now the helper can carefully allow the push arm
to move upward, which will gradually release the 150
pounds of spring load.
6. Disconnect wire from control box to actuator plug.
(Option)
7. Back the traction unit away from the broom.

Changing Brush Elements

The rotor assembly contains 34 brush elements.
4
2
1. Brush element
2. Brush retainer plate
1. Park machine on a level surface and lower broom head.
2. Remove bearing housing bolts.
3. Remove bolts from guard and hydraulic motor mount.
4. Start traction unit and slowly raise broom to highest
possible position and turn off engine. Block up broom
frame so it cannot accidentally fall.
5. Remove brush retaining plate.
6. Slide brush elements off rotor.
7. Slide new brush elements onto rotor so alignment pins
of element ride over extended bar of rotor.
12
1
Figure 6
3. Rotor
4. Guard
3