Maintenance
Note:
Determine the left and right sides of the machine from the normal operating position.
Recommended Maintenance Schedule(s)
Maintenance Service
Interval
Maintenance Procedure
After the rst 8 operating
hours
• Change the engine oil without the oil lter.
Before each use or daily
• Check the engine oil level.
• Ensure that the engine stops within 3 seconds after releasing the blade
control bar.
• Inspect the mower blades for wear or damage.
• Clean under the lawn mower housing.
• Clean the discharge tunnel and plug.
Every 25 hours
• Lubricate the pivot arms.
• Clean the foam pre-cleaner (more frequently in dusty conditions).
Every 50 hours
• Change the engine oil (more often in dusty conditions).
• Check the fuel hose and replace it if necessary.
• Clean under the belt cover.
Every 100 hours
• Lubricate the gear case.
• Clean the air cooling ns.
• Change the engine oil and oil lter.
• Check the spark plug.
• Clean the fuel lter.
• Adjust the self-propel drive (model 22176 only).
• Service the wheels.
• Adjust the blade brake cable.
Every 300 hours
• Replace the paper air lter (more frequently in dusty conditions).
Yearly or before storage
• Empty the fuel tank.
Important:
Refer to your Engine Operator’s Manual for additional maintenance procedures.
If you leave the wire on the spark plug, someone could accidently start the engine and
seriously injure you or other bystanders.
Disconnect the wire from the spark plug before you do any maintenance. Set the wire aside so
that it does not accidently contact the spark plug.
Lubrication
Lubricating the Pivot Arms
After every 25 operating hours or when the season
ends, lubricate the pivot arms.
1. Move the rear wheel cutting height levers to
the center setting.
2. Wipe the grease fittings with a clean rag
19
