Avanti BD6000 - Manual (Page 18)

18
FLAT BEER
Foamy head disappears quickly: beer lacks usual zestful brewery fresh flavor.
Causes Corrections
1)
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Greasy glass
1)
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Do not wash beer glasses together with glasses
that have contained milk or any other fatty
substance. Lipstick is a fatty substance.. Make
sure it is removed from glass.
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Excess amount of germicides build up and leave
a fatty film on glass, which may cause flat beer.
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It is preferable to steam and sterilize glasses
where health laws permit.
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Wash glasses thoroughly with a good detergent.
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Do not use soap.
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Do not dry-wipe glasses. Permit glasses to air-
dry by placing them on wire or corrugated metal.
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Rinse in fresh cold water just before serving
beer. It is best to serve beer in a wet glass.
2)
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Improper drawing of beer into glass.
2)
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Open faucet quickly and completely.
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Check and find the correct distance to hold
glass from faucet when drawing. Proper foam
should be a tight creamy head, and the collar on
the average glass should be ¾” to 1” high.
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Beer drawn without head has appearance of
being flat.
3)
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Not enough pressure.
3)
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Increase pressure if beer runs too slowly.
Correct flow is to fill
4)
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Defective Thomas and Tongue Vents.
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Pressure is shut off.
4)
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Check all washers frequently, particularly the air
vents. A clogged vent will obstruct the flow of air
or Co2.
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Check source of pressure. Check power source
when air compressor is used. Air compressor
should never be connected to light switch. Make
certain to have a separate electric plug outlet for
the compressor.
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Check CO
2
tank, if empty, replace (See inside
cover for proper procedure).
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When barrel is tapped, and proper pressure
applied, pressure must always remain on until
barrel is empty.
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If beer is started without first applying pressure
beer will be wild at the start, and flat towards the
end.
5)
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Pre-color, or beer system, too cold.
5)
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With an accurate thermometer, check
temperature in pre-cooler or box.
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Temperature at the faucet should always be
colder by at least two degrees than at the
pre cooler or box.
6)
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Sluggish pressure regulators.
6)
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A regular seat, or the regulator diaphragm, may
require replacing.
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Also, check the same as you would for
Corrections 3 & 4.