Hkoenig BW1890 Manuel D'utilisation page 21

When you take out the
fastener of beer
dispensing unit, you
can move this unit
towards arrow
indication.
E. TO CHAGE A NEW CO2 CARTRIDGE (No need for Heineken
keg)
Please change the CO2 cartridge if can't pour beer out when the
CO2 pressure knob is at "on" position and has beer in keg.
When turn the CO2 pressure knob to "-" position, to close the
1.
CO2 supplying.
Open the top cover, loose the cartridge sheath, and take out the
2.
empty CO2 cartridge.
Insert a new 16g CO2 cartridge in the sheath, and screw the
3.
sheath tightly until you will hear a "Click", which indicates that
the cartridge seal has been pierced and the CO2 gas can flow
into the keg freely. Make us the bottle sheath is fixed tightly to
avoid the CO2 leakage. Then put CO2 bottle sheath into the top
cover.
Close the top cover of beer cooler.
4.
Turn the CO2 pressure knob to "+" position to turn on the CO2
5.
supply, and it is ready to pour beer out.
Reminder: each 16g CO2 cartridge can pressure more than 5L beer
out.
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Figure 27
You must take out
the right fastener at
first, then push the
left fastener out as
arrow indication,
you can pull out the
dispensing unit
finally.