| 1. Remove the air filter, then start the engine for several seconds, then switch off it. Looking from above in the carburetor, open manually a butterfly valve. When opening a butterfly valve the double stream of fuel given from a spray of the accelerating pump has to be observed. In the absence of a stream of fuel execute check as follows. |
| 2. When checking operability of the accelerating pump it is necessary to give to the float-operated camera fuel from the additional tank. |
| 3. Mount primary camera of the carburetor over a volumetric glass. Completely open ten times and close a butterfly valve, and you make opening of the gate within 1 second then return the gate to a starting position and in 3 seconds repeatedly open it. Check that the cam of the accelerated turns of idling did not limit movement of a butterfly valve. |
| 4. Measure amount of fuel which the accelerating pump gave to a volumetric glass, and compare these data with provided in subsection 6.1.1. |
| 5. If adjustment is required, weaken the screw of fastening and turn a cam in the required direction then tighten the screw and repeatedly check productivity of the accelerating pump. |
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6. For adjustment weaken the screw (under an arrow) and turn a cam plate in the required direction. |
