FLOWTECH flowpress WMDA Operation And Maintenance Manual page 20

20
Un-screw cap turn cap push cap on socket Twist cap
Attach a length of hose to the hose tail on the drain valve and put the other end to drain. Then, using the cap
off the isolation valve, open the drain valve:
Locate the bleed screw on the pump. The following diagrams show examples of typical bleed screw
locations for most pumps
:
Do not use excessive force when tightening the bleed screw as this may damage the pump casing.
If the pump has a plastic bleed screw like the one shown below, do not use excessive force or attempt to use
any tools to turn it as this may damage the pump casing.