H.Koenig BW1880 Manuel D'utilisation page 15

Note: Please take out the Heineken adaptor
with collect ways, Press it according the
arrow indication, or will damage the fastener
Figure 24
3. Close the top cover; operate it as above step 6-12, as the
universal 5 liter keg, but step 9 is exception.
D. TO CHAGE A NEW BEER KEG (5 liter universal keg)
When the beer in the keg runs out, before changing a new beer keg.
1. Adjust the CO2 pressure regulation knob to "-" switch to shut off
the CO2 supplying and save the CO2.
2. Open the top cover of the beer cooler, pull down the tap handle to
release the rest gas in the keg (maybe with some beer bubble).
3. Then put the piercing pin into the new keg and put into the beer
cooler. Connect the gas-tube and beer tube from the keg lifter, by
pressing the white parts of keg lifter.
4. Disconnect the gas-tube and beer tube from the keg lifter,
5. Take out the keg by the keg lifter, and pull out the piercing pin from
the keg.
6． It is recommended to clean the tap mechanism when changing
Heineken
Beer connector
Figure 25