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8.2.6. Rope of a butterfly valve

Check and adjustment

PERFORMANCE ORDER
1. Check as the lever mechanism of a butterfly valve functions.
2. If at completely squeezed out pedal the gate opens not up to the end, ask the assistant to take a pedal of pressed, weaken adjusting nuts and adjust a rope so that the tag or the limiter of the course, were at the required distance from a cap.
3. Tighten nuts and again check how the lever mechanism functions.