| 1. Disconnect sockets from solenoids. |
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2. Check resistance of coils of solenoids. |
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3. Give food and be convinced that air is included into the union E and leaves the union F. At food removal air should not pass through the union F. |
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4. Replace the block if results of one of checks negative, for this purpose disconnect hoses (And), wring out a latch (In) and turn off a bolt (C). |
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