Maintenance

If the clutch does not disengage, reinstall the shim and reference the Troubleshooting section.

c.Engage and disengage the PTO switch ten consecutive times to ensure the clutch is functioning properly. If the clutch does not engage properly, reference the Troubleshooting section.

Cleaning

Clean Engine Cooling System

Service Interval: Before each use or daily (May be required more often in dry or dirty conditions.)

CAUTION

Excessive debris around the engine cooling air intake and inside of the pump drive belt compartment and damaged or missing rubber baffles can cause the engine and hydraulic system to overheat which can create a fire hazard.

Clean all debris from inside of pump drive belt compartment daily.

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Clean all debris from rotating engine air intake screen and from around engine shrouding.

3.Clean all debris from around the engine and drive belts.

Remove Accumulated Debris from Engine (Briggs & Stratton Units Only)

Service Interval: Before each use or daily

Engine parts should be kept clean to reduce the risk of overheating and ignition of accumulated debris.

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Remove front panel from engine and clean around the intake manifold, fuel pump, and carburetor.

3.Reinstall the front panel.

Important: Do Not use water to clean engine. Use low pressure compressed air. See Engine Owner’s Manual.

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Exmark 4500-497 manual Cleaning, Clean Engine Cooling System