SERVICE ENGINE
Checking and Cleaning Air Filter Elements
cCAUTION: Avoid injury! Touching hot surfaces can burn skin. The engine and components will be hot if the engine has been running. Allow the engine to cool before servicing.
IMPORTANT: Avoid damage! Dirt and debris can enter the engine through a damaged filter element:
•Do not wash paper element.
•Do not attempt to clean paper element by tapping against another object.
•Do not use pressurized air to clean element.
•Replace element only if it is very dirty, damaged or the seal is cracked.
Check and clean air filter elements at the intervals recommended in the Service Intervals section. See the engine manufacturer’s owner’s manual provided with your machine for the complete procedure.
Checking Spark Plugs
cCAUTION: Avoid injury! Touching hot surfaces can burn skin. The engine and components will be hot if the engine has been running. Allow the engine to cool before servicing.
Check spark plugs at the intervals recommended in the Service Intervals section. See the engine manufacturer’s owner’s manual provided with your machine for the complete procedure.
Adjusting Carburetor
NOTE: Carburetor is calibrated by the engine manufacturer and is not adjustable.
If engine is operated at altitudes above 1829 m (6,000 ft), some carburetors may require a special high altitude main jet.
If engine is hard to start or runs rough, see the troubleshooting section of the engine manufacturer’s owner’s manual provided with your machine.
Possible engine surging will occur at high throttle with transmission in “N” neutral and mower engagement lever disengaged. This is a normal condition due to the emission control system.
After performing the checks in the troubleshooting section and your engine is still not performing correctly, contact
your dealer.
Replacing Fuel Filter
cCAUTION: Avoid injury! Fuel vapors are explosive and flammable:
•Do not smoke while handling fuel.
•Keep fuel away from flames or sparks.
•Shut off engine before servicing.
•Cool engine before servicing.
•Work in a
•Clean up spilled fuel immediately.
1.Park machine safely. (See Parking Safely in the Safety section.)
2.Turn fuel shutoff valve to off position.
3.Disconnect the fuel hose from the outlet side of the fuel filter, and drain gasoline into a properly marked container.
4.Remove the fuel filter from the inlet fuel hose. Discard filter.
IMPORTANT: Avoid damage! When installing a new fuel filter, the filter arrow must be pointing in the direction of fuel flow.
5.Connect a new fuel filter to hoses.
6.Turn fuel shutoff valve to on position.
Service Engine - 15
