John deere push mower js40 manual

Service - John Deere

NOTE: Carburetor is calibrated by the engine manufacturer and should not require any adjustments.

John Deere Js40 Manual -

If engine is operated at altitudes above 1829 m (6,000 ft), some carburetors may require a special hh altitude main jet. If engine is hard to start or runs rough, check the Troubleshooting section of this manual.

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John Deere JS40 Walk Behind Mower Parts

Overfilling with oil can cause the engine to not start or hard starting. Change oil after mowing or run the engine briefly to lower the fuel in the tank to the appropriate level. Run engine for at least five minutes to warm up oil. Keep hands and body away from hot surfaces when servicing or working near the engine and components. If oil is over the FULL mark on the dipstick, drain oil to reduce oil level in engine. If oil level is low, add oil to bring oil level no hher than FULL mark on dipstick.

John Deere Js40 Engine Service Manual -

Move the machine to an outside area before running the engine.

John deere push mower js40 manual:

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