Main Industrial Valves hydraulic control valve is a kind of water is used since embellish type body, do not need to add oil lubrication, in case of damage of main parts in the valve, please follow the instructions below to remove. Main valve hydraulic control Industrial Valves is a kind of water is used since embellish type body, do not need to add oil lubrication, in case of damage of main parts in the valve, please follow the instructions below to remove. ( Note: in general consumption in the valve damage product for diaphragm and ring, other internal components damage little) 1. The main valve before and after the first side gate valve closed. 2. The piping on the main valve cover joint screw loosening, pressure release valve. 3. All hardware screws removed, including controlling necessary pipeline brass nut. 4. Take the cover and spring. 5. To get off axis core, diaphragm, piston, do not damage the diaphragm. 6. Remove the above things, diaphragm and examine whether the protection ring damage; If no damage do not again points to its internal parts. 7. If found that the diaphragm or ring was damaged, please loose the nut on the axis core, get to decompose the diaphragm or circle, comes out to replace the new diaphragm or ring. 8. To examine in detail the main valve internal seat, shaft core whether have damage, if there are other debris inside the main valve to clear it. 9. Combination is in reverse order will replace the parts after installed the main valve, no jam phenomenon should be valves 10. Please refer to the hydraulic control valve installation operation considerations to use
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