ok, first i will post the stats for the system i am working with.
80' run with 6' of rise.
5' 3/16 restriction on each of 12 beer lines.
2 input, 2 return glycol lines in the trunk line.
cooler temp is 36°
beer temp at faucet is 36.8°
the end of the trunk line is split to 2 towers with a glycol input and return going to each.
each tower has cold plates on the shanks for the glycol to cool them.
the beers are arranged left to right as follows:
tower 1
-alaskan oatmeal stout
-alaskan esb
-bud
-bud light
-alaskan amber
-alaskan summer
tower 2
-margarita on tap
-redhook ipa
-guiness
-pyramid hefe
-heineken
-coors light
ok, now to my problem. all the imports and craft beers pour great, but the domestics pour like there is a hotspot in the line. i get a second of foam then about 10oz of clear beer, then foam.
i will have to go back to the site to check and see what all the pressures are at, but up until a week ago the entire system was working fine. i installed the entire system 4 months ago and have cleaned it every 2 weeks per A-B standards as my job de****ion dictates. the problems started about 2 days after the last cleaning. any help on this is appreciated.
-jomo