8. TROUBLESHOOTING |
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PHENOMENON | MAIN CAUSE | MEASURES |
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The engine does not start. | • Bad fuel (different quality, deterioration) | • Replace it with normal fuel (page 18). |
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| • Excessive sucking of fuel | • Open the choke, open the throttle full |
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| open, and pull out the rope repeatedly |
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| (page 20,21). |
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| • Clogging of the muffler exhaust vent | • Clean the muffler (page 34). |
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| • Contamination of the spark plug electrodes, | • Clean the electrodes or replace the plug |
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| (page 32✩). |
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The engine does not accelerate. | • Bad fuel (different quality, deterioration) | • Replace it with normal fuel (page 18). |
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| • Clogging of the muffler exhaust vent | • Clean the muffler (page 34). |
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The engine stalls when the throttle | • The idling revolution speed is too low. | • Readjust the idling adjustment screw |
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is returned to its original position. |
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The engine rotation speed changes. | • Clogging of the fuel filter | • Clean or replace the fuel filter (page 31✩). |
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Abnormal vibration | • Deformation or damage of the blade | • Replace the blade (page 27✩). |
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Deterioration of fuel consumption | • Clogging of the air cleaner | • Clean the air cleaner (page 31). |
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| • Blunt blade | • Replace the blade (page 27✩). |
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| • Bad lubrication of the flexible shaft | • Supply grease (page 33). |
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•When the symptoms in the left column do not improve after taking the measures in the right column, please contact the shop where you bought this product.
•For the measures marked with ✩, please buy ZENOAH’s genuine parts at the shop where you bought this product.
WARNING
•Do not modify or disassemble the machine. Modification or disassembly of the machine might cause the machine to be damaged during operation, or cause an unexpected accident due to the leakage of fuel or malfunction of the machine.
•When you carry out inspection or maintenance of the machine, keep the machine clear of fire (such as a lit cigarette). Otherwise, the fuel might catch fire.
•Use ZENOAH’s genuine or dedicated tightening parts (bolts, nuts and screws). Use of other manufacturers’ parts might damage the machine, or cause an unexpected accident due to parts falling off while the machine is in operation.
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