When
Issue with the check valve that could not be solved by cleaning (for example, persistent leakage)
Damage of inlet check valve
Parts required
Inlet 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 | Solvent line |
2 | Inlet check valve |
3 | Pump head |
Follow these steps
On the inlet check valve, disconnect the solvent line.
Loosen and remove the inlet check valve with your fingers.
Tighten the new inlet check valve with your fingers.
On the inlet check valve, connect the solvent line.
Purge the pump using the solvent of 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).