Pre Maintenance Procedures; Lubrication; Engine Maintenance - Toro 23740 Operator's Manual

Pre Maintenance Procedures

1. Move the machine to a level surface.
2. Shut off the engine and allow it to cool.
3. Disconnect the spark-plug wire from the spark plug
(Figure 18).
1. Spark-plug wire

Lubrication

Lubricating the Broom-angle-lock Pin
and the Hex Shaft
Service Interval: Every 100 hours
Yearly
1. Lubricate the broom-angle-lock pin fitting with NGLI
grade #2 multi-purpose grease.
1. Broom-angle-lock pin
Figure 18
Figure 19
2. Remove the belt cover and the engine shield.
3. Move the speed-selector lever to the R2 position.
4. Dip a long, clean, small-tipped paint brush in
automotive engine oil and lightly lubricate the hex shaft
(Figure 20).
Important: Do not get oil on the rubber wheel or
the aluminum friction-drive plate as the traction
drive will slip (Figure 20).
Note: Rock the machine forward and rearward to
rotate the hex shaft.
1. Aluminum friction-drive
plate
5. Move the speed selector lever to position 6.
6. Lubricate the other end of the hex shaft.
7. Move the speed selector lever forward and rearward
a few times.
8. Install the belt cover and the engine shield.

Engine Maintenance

Servicing the Air Cleaner
Service Interval: Every 50 hours—Clean the foam
pre-cleaner (more frequently in dusty
conditions).
Every 200 hours—Replace the foam pre-cleaner.
Every 300 hours—Replace the paper air filter (more
frequently in dusty conditions).
Important: Do not operate the engine without the air
filter assembly; extreme engine damage may occur.
1. Release the latches on the cover for the air cleaner.
2. Remove the cover and clean it thoroughly (Figure 21).
Note: Be careful to prevent dirt and debris from
falling into the base.
18
Figure 20
2. Hex shaft