Storage
–When the machine is in storage for a long time, drain fuel from the fuel tank and carburetor, as follows: Drain all fuel from the fuel tank. Dispose of properly and in accordance with all local laws.
–Remove the spark plug and a few drops of oil into the spark plug hole. Then, pull the starter gently, so that oil covers the engine inside and tighten the spark plug.
–Clear dirt or dust from the cutter blade and outside of engine, wipe them with a
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Drain fuel | |||
| Humidity | ||
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Fault location
Fault | System | Observation | Cause |
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Engine not starting or with | Ignition system | Ignition spark O.K. | Fault in fuel supply or compression system, mechanical |
difficulty |
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| defect |
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| No ignition spark | |
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| plug or connector defective, ignition module faulty |
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| Fuel supply | Fuel tank filled | Incorrect choke position, carburetor defective, fuel |
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| supply line bent or blocked, fuel dirty. |
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| Compression | No compression when | Cylinder bottom gasket defective, crankshaft seals |
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| pulled over | damaged, cylinder or piston rings defective or improper |
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| sealing of spark plug |
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| Mechanical fault | Starter not engaging | Broken starter spring, broken parts inside of the engine |
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Warm start problems |
| Tank filled ignition spark | Carburetor contaminated, must be cleaned |
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| existing |
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Engine starts but dies | Fuel supply | Tank filled | Incorrect idling adjustment, carburetor contaminated |
immediately |
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| Fuel tank vent defective, fuel supply line interrupted, |
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| cable or |
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Insufficient performance | Several systems | Engine idling poor | Air filter contaminated, carburetor contaminated, muffler |
| may simultaneously |
| clogged, exhaust duct in the cylinder clogged |
| be affected |
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