Preparing for Maintenance
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
and keep the wire away from the plug, to prevent
accidental starting (
).
Figure 19
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 No. 2
lithium grease (
).
Figure 20
1.
Broom-angle-lock pin
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
(
).
Important:
Do not get oil on the rubber wheel or
the aluminum friction-drive plate as the traction
drive will slip (
Note:
Rock the machine forward and rearward to
rotate the hex shaft.
Figure 21
1.
Aluminum friction-drive
plate
2.
Hex shaft
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 (
).
Note:
Be careful to prevent dirt and debris from
falling into the base.
19
