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1. Completely to open a butterfly valve of the first chamber and to record in this situation by a wooden brusochok (it is shown by an arrow, 1 – the lock lever; 2 – restrictive screw; 3 – emphasis). |
| 2. To close a butterfly valve of the second chamber the gate drive lever. |
| 3. To turn out the restrictive screw (2) so that it did not concern an emphasis (3), and then to wrap the screw to an emphasis contact. Then to wrap the screw on a quarter of a turn and to zakontrit it paint. |
| 4. To close butterfly valves. |
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5. To measure an internal gap And and an external gap In in the drive of a butterfly valve of the second chamber of the carburetor. The gap And has to be (0,4±0,1) mm, a gap In – (1,0±0,1) mm. If gaps differ from specified, to adjust them, turning in the ends of a fork of the lever (1). |
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