19
Recommended Maintenance Schedule
Note:
Determine the left and right sides of the machine from the normal operating position.
Service Interval
Maintenance Procedure
Check the engine oil level.
Check the blades and blade attachment bolts. Tighten if they are loose.
Check the air cleaner.
Each Use
Remove grass clippings from the impeller fins.
Remove the grass clippings and dirt from under the housing.
Clean the air intake area around the engine.
Check the blades and the blade attachment bolts. Tighten them if they
are loose.
5 Hours
Replace the blade mounting bolts if they are worn or damaged.
Inspect the cutter disc. Change if the cutter disc is bent or the pem
inserts are lose or worn.
25 Hours
Clean the air cleaner. (1)
Change the engine oil. (2) (3)
Clean – replace the air cleaner. (1)
50 Hours
Sharpen or replace the blade; maintain it more frequently if the edge
dulls quickly in rough or in sandy conditions.
Clean the fuel filter.
Check for leaks in the fuel system and/or a deteriorating fuel hose.
Replace parts if necessary.
Inspect the spark plug and replace it if necessary.
Clean – replace the air cleaner.
100 Hours
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.
Replace the air filter. Replace it more frequently in dusty conditions.
150 Hours
Replace the spark plug.
Storage
Empty the fuel tank before repairs or before storage.
(1) Service more frequently when used in dusty conditions.
(2) Change the engine oil after the first 5 operating hours (first oil change only).
(3) Change the engine oil every 25 hours when used under heavy load or high ambient temperature.