Hayward Butterfly Valve BYV11060A0VL000

Check for proper valve operation

If leaks or improper operation are detected, refer to troubleshooting guide

Depressurize and drain system before maintenance

3.1 Replacing Valve Disc and/or Liner and Seals

Ensure safety precautions are followed

Read the relevant sections to familiarize with the valve

Reference section 6 for identification of parts

Remove the gland using an extra deep socket

Remove the upper bearing from the stem

Ensure the following before starting the torque check

Retighten nuts after initial system start-up if necessary

Enter the initial torque applied to the flange bolts (in ft*lbf or N*m)

Use a torque wrench to uniformly tighten nuts to approximately 8 ft*lbf (10.8 N*m) in an alternating sequence

Continue alternating tightening until the recommended flange bolt torque is achieved

Is the proper tightening sequence followed as molded into the valve body?

Inspect valve for external damage

Ensure the system is depressurized

Drain the system before installing or maintaining the valve