Avanti MBD5L, Instruction Manual

Page: 16 / 38

16
DRAUGHT BEER TROUBLE GUIDE
CLOUDY BEER
When beer in glass appears hazy, and not clear.
Causes Corrections
FLAT BEER
Foamy head disappears quickly: beer lacks usual zestful brewery fresh flavor.
Causes Corrections
1)
•
Greasy glass
1)
•
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.
•
Excess amount of germicides build up and leave
a fatty film on glass, which may cause flat beer.
•
It is preferable to steam and sterilize glasses
where health laws permit.
•
Wash glasses thoroughly with a good detergent.
•
Do not use soap.
•
Do not dry-wipe glasses. Permit glasses to air-
dry by placing them on wire or corrugated metal.
•
Rinse in fresh cold water just before serving
beer. It is best to serve beer in a wet glass.
2)
•
Improper drawing of beer into glass.
2)
•
Open faucet quickly and completely.
•
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.
•
Beer drawn without head has appearance of
being flat.
1)
•
Over chilling beverage cooler and/or
beverage lines.
1)
•
Excessive low temperatures may cause hazy,
cloudy beer, particularly when beer lies in cold coil
for long periods of time. Make certain that lines are
thoroughly cleaned, and then raise temperature
slightly.
2)
•
Contaminated air source. If possible
change to CO2 gas as a pressure
source.
•
Defective Thomas or tongue vents.
2)
•
See flat beer, correction #7
•
Always draw fresh air from an outside source to
compressor. Attach hair felt filter to the outside
intake, in addition to filter in line.
•
Bacteria growth may result from beer backing up
through defective vents in air line, air pressure will
then carry this into beer barrel.
•
Check and replace defective vents frequently, and
thoroughly clean air line.
3)
•
General conditions causing cloudy
beer.
3)
•
See wild beer corrections #2, #5, #6, and #7, and
flat beer corrections #5, #7, and #8.