Grundfos Self-Priming Dosing Pump DDA 60-10 FCM-PV/T/SS-F-32A1A1FG

Ensure the following conditions are met

Fill a measuring beaker with dosing medium

Read off and note down the fill volume V1

Place the inlet line in the measuring beaker

Start the calibration process in the 'Setup > Calibration' menu

Enter the factory calibration value displayed by the pump after 200 dosing strokes

Remove the inlet line from the measuring beaker

Put on the stipulated personal protective equipment

Take suitable steps to ensure that the returning liquid is safely collected

Empty dosing head and flush it if necessary

Dismantling the Deaeration Valve

Manually unscrew deaeration screw (1)

Check if liquid leaks from the drain opening on the dosing head.

Check if the drain opening is blocked or soiled.

Dosing Head and Valves Inspection

Check if liquid leaks from the dosing head or valves.

Tighten dosing head screws with a torque wrench if necessary. Torque [Nm]: 6 (+ 1).

Tighten valves and cap nuts if necessary.

Check if a service requirement is present at the pump display.

Warning: If the diaphragm is possibly damaged, don't connect the pump to the power supply!

Put on the stipulated personal protective equipment.

Set pump to 'Stop' operating state using the [Start/stop] key.

Take suitable steps to ensure that the returning liquid is safely collected.

Empty dosing head and flush it if necessary.

Press the [Start/stop] and [100%] keys at the same time to put the diaphragm into 'out' position.

Check if the symbol (-) is displayed.

Acknowledge the 'Stop after power failure' alarm by opening the 'Alarm' main menu if active.

Dismantling the diaphragm and valves

Empty dosing head and flush if necessary

Set pump to 'Stop' using the [Start/stop] key

Press [Start/stop] and [100%] keys to put diaphragm into 'out' position

Ensure returning liquid is safely collected

Dismantle suction, pressure, and deaeration hose

Dismantle valves on suction and discharge side