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5. MAINTENANCE
NOTE: Determine the left and right sides of the machine from the normal operating position.
Recommended Maintenance Schedule
Service Interval Maintenance Procedure
Each Use
• Check the engine oil level.
• Check the stopping time of the blade brake. The blade must stop
within 3 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 area
5 Hours
• Check the blade and the engine mounting fasteners. Tighten them
if they are loose.
50 Hours
• Change the engine oil (without the oil filter).
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.
• Remove grass clippings and debris from under the belt cover.
• Lubricate the pivot arms.
75 Hours
• Adjust the self-propel drive system.
100 Hours
• Change the oil filter.
• 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.
300 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 5 operating hours.
NOTE: Refer to your engine operator’s manual for additional maintenance procedures.
CAUTION
POTENTIAL HAZARD
♦ If you leave the wire on the spark plug, someone could
accidentally start the engine.
WHAT CAN HAPPEN
♦ Accidental starting of the engine could seriously injure
you or other bystanders.
HOW TO AVOID THE HAZARD
♦ Disconnect the wire from the spark plug before you don
any maintenance. Set the wire aside so that it does not
accidentally contact the spark plug.
5.1 Checking the Engine Oil Level
Service Interval: Before each use.
Make sure that the oil level is between the Add and the Full marks as shown on the
dipstick (Fig. 4). If the oil level is below the Add mark, add oil. Refer to Section 3.4.1
Filling the Crankcase with Oil.