Hkoenig BW1890 Manuel D'utilisation page 28

C. REPLACE THE SEAL CIRCLE OF BEER TUBE (SHOW AS
FIGURE 34)
Replace the new seal circle of beer tube if the connector has
leakage.
Turn out the beer tube as indication of bellowing figure
1.
Take out the seal circle of beer tube
2.
Replace a new seal circle on same position
3.
Turn the seal circle tightly to avoid any leakage
4.
All manuals and user guides at all-guides.com
Seal circle
Beer tube
Figure 34