1. four-stroke gasoline engine oil for clean petrol (90th), lubricating oilSAE30 four stroke engine oil. New idle-running 2 hours, engine oil change only after normal use. Normal use of accumulated about 30 hours of work to replacethe oil. Check the oil level before and after each use.

　　2. continuous working four-stroke air-cooled gasoline engine, the crankcasetemperature should not be more than 90 degrees, overheating after 15-20 minutes of downtime can continue working. Fuel fill must be conducted in a cold state.Cold machine at a low speed for 3 minutes after normal use, do not cut the grasswhen not used for a long time max.

　　3. gasoline engines do not overdrive. Except in cases of emergency, at low speeddown.

　　4. to the correct oil, genuine, clean, and to clean, fresh gasoline.

　　5. non-professionals may not adjust carburetor. Must be adjusted, after oilneedle clockwise and gently tighten and counterclockwise twist 1.5 to 1.75.

　　6. air filter should be checked frequently, with SOAP and water, cleaned orreplaced periodically.

　　7.100-300 gasoline engine running hours later, using wood or bamboo carbon clearagain. When removing the cylinder head, remove cylinder, cylinder head, piston,valve attached to the carbon. Carbon must not enter the cylinder and the valveseat.

　　8. keep the engine especially cylinder fins clean.

　　9. fuel, inspection, repair, maintenance, disconnect the spark plug CAP, do notsmoke, away from open flame.

　　10. not in indoor operation. When the machine is working apart from theoperator, and unrelated persons to leave the machine 1-5 meters.

　　11. inspection before and after each use of the machine parts and other parts ofthe tightness of the bolts.

　　12. the clutch, the clutch the exposed before the machine is not installed, notstarting engine.

　　13. other lubricating parts of the machine, follow the instructions to add oilor grease on a regular basis as needed.

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