When
Issue with the check valve that could not be solved by cleaning (for example, persistent leakage)
Damage of outlet check valve
Parts required
Outlet check valve
Tools and additional items required
Solvent suitable for purging to flush out harmful substances
Solvent suitable for your application
Parts affected on the pump head
No. | Description |
---|---|
1 | Pump head |
2 | Outlet check valve |
3 | U-tube |
Follow these steps
On the pump head, remove the U-tube.
Loosen and remove the outlet check valve with your fingers.
Insert and tighten the new outlet check valve with your fingers.
On the pump head, connect the U-tube.
Purge the pump using the solvent for your application.
Inspect the check valve and connections for indications of leakage. Tighten leaky connections only when the system pressure is down to zero.
Test the pump for leakage. Run the script: E04 - Detailed Leak test (Pump).