Victaulic 12 Inch, Size 25 mm, Material Brass, Packaging Type Box

Features valve design, Materials, And testing conform to meet the specifications of awwa c, 508 for water and wastewater treatment servicesremove any accessories from the valve. Remove the packing nut. Remove and discard the old packing four pieces . Remove the shaft bearing/packing package obtained from the valve. Be careful not to damage the hinge shaft. Remove and discard the old o, Ring from the bearing. Clean the bearing with water. Lubricate the new o, Ring with silicone grease. Install the new o, Ring onto the bearing. Make sure the o, Ring is pushed all the way down against the bearing. Apply a non, Permanent, Thread, Locking compound onto the first two threads of the bearing. Slide the bearing back onto the shaft, And tighten until snug. Do not tighten the bearing completely or insert the packing at this time. Remove the bearing from the opposite side of the valve. Be careful not to damage the hinge shaft. Remove and discard the old o, Ring from the bearing. Clean the bearing with water. Lubricate the new o, Ring with silicone grease. Install the new o, Ring onto the bearing. Make sure the o, Ring is pushed all the way down against the bearingapply a non, Permanent, Thread, Locking compound onto the first two threads of the bearing. Align the bearing with the and thread, Hinge shaft the bearing into positiontighten the two bearings to a torque of 100 150 ft, Lbs 136 203 n m stack the new packing together one male, Two v, Rings, One female . Slide the packing over the hinge shaft and into the packing box. Replace the packing nut. Tighten the packing nut to a torque of10 15 ft, Lbs 14 20 n m . Do not exceed 20 ft, Lbs 27 n m depressurize and drain the system to remove the valve from service. Loosen and remove the two bolts/nuts from the top access coupling. Remove the top access coupling. Remove the gasket and the top access cap. If the gasket is torn or worn, Replace it with a new, Victaulic, Supplied gasket of the same grade. Remove any debris from inside the valve body. If reusing the make sure, Same gasket the gasket is lacking any dirt. Lubricate the gasket with victaulic lubricant. Install the gasket onto the valve. Make sure the gasket lip does not overhang the end of the valveinstall the top access cap onto the valve. Center the gasket to cover both sealing zones of the cap and the valve. Install the coupling housings over the gasket. Make sure the housings keys engage properly with the valve body and the top access cap. Insert the bolts, And apply the nuts finger, Tight. Make sure the bolt track heads seat properly in the bolt holes. Insert the key into the keyway in the shaft. Install the lever onto the shaft by aligning the keyway in the lever with the key in the shaft. Tighten the set screw by using an allen wrenchslide the weight to the desired location on the lever. Install a flat washer and nut onto the bolt. Tighten the nut to secure the weight in position. Tighten the nut to secure the eye bolt. Install the spring by looping one end over the eye bolt and the alternate end through the slot in the leverinstall the bracket with four bolts and lock washers. Tighten the bolts until the lock washers are fully compressedremove the retaining rings from the boundaries of the pivot pin. Remove the pivot pin. Secure the clevis of the air cushion to the lever by inserting the pivot pin. Install the spring plate parallel to as shown, The lever above. Place one lock washer and a nut onto the end of each bolt. Tighten the nut until the lock washer is fully compressed