Prominent Solenoid Metering Pump Gamma/ XL 1020

Read the safety information and specifications in the 'Storage, Transport and Unpacking' chapter.

Ensure the pump is disconnected from the mains power supply and cannot be switched on by unauthorized persons.

Ensure the system is at atmospheric pressure before working on hydraulic parts.

Are original spare parts being used?

Are the correct spare parts kits being used?

Check the diaphragm for damage as per 'Repair' guidelines.

Read the safety information and specifications in the 'Storage, Transport and Unpacking' chapter.

Disconnect the pump from the mains power supply.

Ensure the system is at atmospheric pressure before commencing work on hydraulic parts.

Check that all hydraulic components are secure and leak-tight

Is the flow correct after pressing [Priming]?

Electrical and Structural Integrity Checks

Check the integrity of electrical and structural components

Ensure all spare parts are available

Install the new vPTFE diaphragm

Valve and Connector Installation

Enter the order no. (part number) of the diaphragm or spare parts kit

Take protective measures, if necessary

Note the material safety data sheet for the feed chemical

Prevent the escape of feed chemical

Ensure that the system is at atmospheric pressure

Empty the liquid end by turning it upside down and allowing the feed chemical to run out

Flush out with a suitable medium

Replace the liquid end diaphragm

Unscrew the diaphragm rupture indicator using an AF 14 open-ended spanner

Clean the diaphragm rupture indicator with suitable liquid, preferably water

Test the diaphragm rupture indicator by immersing the tapered section in water

Does the continuous display indicate a diaphragm rupture?

Thoroughly dry the diaphragm rupture indicator