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Beer
(4) Beer tap keeps dripping beer
Possible Cause
Remedy
1. Damaged or deformed rubber seal in
beer tap valve shaft.
1. Replace rubber seal.
2. Damaged beer tap valve shaft.
2. Replace valve shaft.
3. Loosened rubber seal in valve shaft.
3. Disassemble beer tap and fix rubber seal.
4. Beer tap valve shaft will not move
smoothly.
4-1 Valve shaft sliding failure.
4-2 Abrasion powder in spherical lever
bearing.
4-1. Disassemble and clean beer tap. Completely deburr
beer tap. Especially deburr and chamfer edge of
lever insert hole in valve shaft sliding part.
4-2. Remove lever from beer tap to polish spherical
bearing.
5. CO2 gas pressure too low.
5. Adjust CO2 gas pressure to proper level.
(5) Underfoaming
Possible Cause
Remedy
1. CO2 gas pressure too low.
1. Adjust CO2 gas pressure to proper level.
The chart below is general example.
Adjust to gas pressure specified by beer manufacturer.
Temperature of beer keg CO2 gas pressure
10°C
0.20MPa
20°C
0.22MPa
30°C
0.32MPa
2. Beer dispensing manner.
2. Instruct user to make foam.
3. Beer too cold.
In winter, low beer temperature causes
underfoaming even after dispensing foam.
3. Instruct user to make foam.
Instruct user to keep temperature of beer keg above
10°C.
