1. Check hoses and pipes for lack of cracks, an excess, deformation, aging and a contamination. |
2. Check the fuel filter for lack of a contamination or damages. |
3. Check a canister for lack of contaminations. |
4. Check operability of the limiter of overflow (the double-thread valve) and the fuel adjusting valve of cleaning. |
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5. Check operability of the double-thread valve, blowing it from two parties. If air passes hardly, so the valve is serviceable. |
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6. Check the adjusting valve of cleaning as follows:
– be convinced that temperature of cooling liquid is equal to 80-95 °C; – disconnect a hose of cleaning of the carburetor and blow in it. If the valve is closed, so its action normal. Start the engine and increase the frequency of rotation of a bent shaft up to 1500–2000 min.-1 and blow in a hose. If the valve is closed, check a condition of a vacuum hose or work of a thermal valve. |