H.Koenig BW1880 Manuel D'utilisation page 19

CLEANING BEER TAP MECHANISAM
Beer cooler need conformity with hygienically demand, it need clean
before the first use or for long time use, clean the whole machine
with dry cloth. Otherwise two cleaning way is recommended as
following:
1. Load the warm water into the cleaning kit.
2. And connect the end of piercing pin, press the water into the pin to
clean the pin tube, and push the water out from the beer tube at
the other end. And repeat this cleaning work till the beer tube
clean (need 3 bottles warm water at least), please clean the beer
tap mechanism as figure 30. Note: Please disassemble the tap
when make the cleaning. (Show as figure 29)
Beer connector must connect
with dispensing unit
Please open
the faucet
when you are
cleaning the
beer tube
Warning:
Never put the tap mechanism parts in the washing machine or
dishwasher;
Never use the chemical cleaning detergent to clean the parts, warm
or purified water is recommended.
Figure 29
Dispensing unit
Cleaning bottle
This connector must connect
with cleaning bottle
Figure 30