8. Maintenance
The engine revolution speed increases when you turn the idling adjustment screw clockwise, and decreases when you turn it counterclockwise.
Standard idling revolution speed:
2,300 to 2,700 rpm
MA11
(1) Idling adjustment screw
(2) Rotation increases.
(3) Rotation decreases.
blade, and keep the machine in a safe place away from heat and humidity.
MA12
(1) Tank cap
(2) Fuel tank
■MAINTENANCE BEFORE LONG-TERM STORAGE
WARNING
This machine is highly inflammable.
•When you take fuel out, keep the fuel tank well away from flames.
•Be careful not to spill the fuel, and completely wipe off all fuel spills.
IMPORTANT
•If you will not use the machine for a long time (two months or more), take out the fuel from the fuel tank and carburetor. If you leave the fuel tank and carburetor filled with fuel for a long time, the fuel might deteriorate and clog the inside of the carburetor, thus causing engine problems (such as wrong start or insufficient output).
•When storing the machine for a long time, loosen the cap of the fuel tank slightly. Excessive tightening of the cap might deform its packing over time.
1.Brush off dirt from the machine, and check the damage or slack of each part. If you find any abnormal part, repair it completely ready for the next time the machine is used.
2.Extract fuel from the fuel tank, switch on the engine, and leave it running until it stops naturally.
3.Remove the spark plug, and pour 1 to 2 ml of
4.Supply some grease to the gear case, and apply anti- rust oil to the metal parts such as the throttle wire.
5.Apply a little oil to the blade, put the cover on the
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