Toro 23740 Operator's Manual page 23

Figure 32
1. Nut
4. If the shear pin is damaged, remove the pin, replace it,
and secure the it with a nut.
Replacing Worn or Damaged Broom
Segments
Service Interval: As required.
1. Raise the broom by setting the caster positions.
2. On both sides of the unit, remove and retain the
carriage bolts, washers, and locknuts that secure the
end bearings to the broom support.
Figure 33
1. Broom support
2. Locknut
3. Washer
3. Manually pull the power unit rearward to remove the
broom assembly from the unit.
2. Shear pin
4. End bearing
5. Carriage bolt
4. Support the spline shaft on either side of the gearbox.
5. Stand the broom core assembly on end so that the
removable end retainer plate faces upward (Figure 34).
1. Hardware
2. End-retainer plate
3. Broom segment
6. Remove and retain the hardware from the end-retainer
plate (Figure 34).
7. Remove the damaged broom segment(s).
8. Install the new segment(s) by staggering the metal ring
alignment fingers as shown in Figure 34.
Important: You may damage the broom assembly
if you do not properly install the broom segments.
9. Install the broom assembly onto the unit.
Important: Make sure the that bearing setscrews
are tightened before operating the broom.
Checking the Broom Cable
Service Interval: After the first 2 hours
Yearly
1. Turn off the engine, wait for all moving parts to stop,
and disconnect the spark-plug wire.
2. Remove the belt cover and engine shield.
3. With the broom lever disengaged, ensure the gap
between the broom-clutch assembly and the tab is 3.2
mm (1/8 inch).
Note: If the broom is not properly adjusted, refer to
Adjusting the Broom Drive (page 24).
23
Figure 34
4. Support shaft
5. Alignment fingers