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Maintenance
Note: Determine the left and right sides of the machine from the normal operating position.
Recommended Maintenance Schedule
Maintenance Service
Interval
Maintenance Procedure
Each Use
• Check the engine oil level.
• Check the stopping time of the blade brake. The blade must stop within three
seconds of releasing the bail; if it does not, contact an Authorized Service Dealer
for repair.
• Remove grass clippings and dirt from under the housing.
• Clean the discharge tunnel and the discharge tunnel plug.
5 Hours • Check the blade and the engine mounting fasteners. Tighten loose fasteners.
25 Hours • Clean the foam pre-cleaner of the air cleaner.
50 Hours
• Change the engine oil.
1
• Sharpen or replace the blade; maintain it more frequently if the edge dulls
quickly in rough or in sandy conditions.
• Clean the blade brake clutch shield.
• Check for leaks in the fuel system and/or a deteriorating fuel hose. Replace
parts if necessary.
• Clean the fuel filter.
• Remove grass clippings and debris from under the belt cover.
• Lubricate the pivot arms.
75 Hours • Adjust the self-propel drive system.
100 Hours
• Inspect the spark plug and replace it if necessary.
• Clean the cooling system; remove grass clippings, debris, or dirt from the engine
air cooling fins and starter. Clean the system more frequently in dirty or
high-chaff conditions.
• Lubricate the gear case.
• Adjust the blade brake cable.
• Service the wheels.
150 Hours
• Replace the paper air filter. Replace it more frequently in dusty operating
conditions.
Storage • Empty the fuel tank before repairs as directed or before storage.
1
Change the engine oil after the first eight operating hours.
Important Refer to your engine operator’s manual for additional maintenance procedures.
Caution
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.