| 1. Be convinced that on an arm of a cable there are no deformations, in integrity and the correct installation of a rubber cover. |
| 2. Press a butterfly valve pedal to the full. |
| 3. The butterfly valve should open completely, if necessary adjust. |
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4. Check distance from the limiter (3) to a cover (2) (1 – a cover, 4 – nuts). |
| 5. If necessary adjust the specified distance rotation of lock-nuts. |