1-CUBE GMD User Manual - Page 10

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5.1.3 D

ISCHARGING OF THE SAMPLE

Close the sampling valve on the tank, then open both inlet and outlet valves to remove any pressure

inside the hoses and the GMD. Then disconnect the inlet hose (3), place the outlet hose (5) to the

drain and turn the device upside down. At the same time hold the inlet hose (3) 10 cm over the

device. Check visually if the transparent vessel (6) is empty.

If you are going to measure other samples, you don't need to empty the GMD. You can rinse the old

sample with the new one by leaving the new beer flowing through the GMD about 30 s. If you are

finished with measurements, don't forget to clean the device. Wipe device with a damp cloth.

5.1.4 C

LEANING OF THE DEVICE

Open the inlet valve (1) and the outlet valve (2). Place the outlet hose (5) to the drain. Connect the

inlet hose (3) to the potable water supply. Afterwards open slowly the water cock and rinse the

device with water. Both ball valves (1,2) have to be open during rinsing.

Warning! Pressure of water must not exceed value 250kPa.

Whole internal space of the vessel (6) must be filled with water during cleaning. During rinsing pull

out and consequently press down several times the button (9) to rinse both pump and capillary.

It is important to remove any traces of beer to prevent the piston of the pump getting stuck.

After rinsing:

Once the cleaning is over, switch off the water cock. Disconnect the inlet hose (3) from the water

cock. If you plan to use the device next day, do not discharge the water from the device and pull up

the button (9) to suck the water inside the pump.

If you want to discharge the water then place the outlet hose (5) to the drain and turn the device

upside down. At the same time hold the inlet hose (3) 10 cm over the device. First open the outlet

valve (2) and subsequently open the inlet valve (1) and discharge the water. Check visually if the

graduated vessel (6) is empty.

Clean the external surface with soft flannel moistened with water. After this handling the device is

ready for next measurement.