Service Engine Engine Warranty Maintenance Statement Maintenance, repair, or replacement of the emission control devices and systems on this engine, which are being done at the customers expense, may be performed by any nonroad engine repair establishment or individual. Warranty repairs must be performed by an authorized John Deere dealer. Adjusting Carburetor NOTE: Carburetor is calibrated by the engine manufacturer and should not require any adjustments. If engine is operated at altitudes above 1829 m (6,000 ft), some carburetors may require a special high altitude main jet. See your John Deere dealer.
Possible engine surging will occur at high rpm with no load (with transmission in "N" neutral and PTO switch in the OFF position. This is a normal condition due to the emission control system. If engine is hard to start or runs rough, check the troubleshooting section of this manual. After performing the checks in the troubleshooting section and your engine is still not performing correctly, contact your John Deere dealer. Avoid Fumes c CAUTION: Avoid injury! Engine exhaust fumes can cause sickness or death: · If it is necessary to run an engine in an enclosed area, use an exhaust pipe extension to remove the fumes. · Always try to work in a well ventilated area. Engine Oil 65