Posted by copey on Thursday, February 26, 2009 at 17:39:35 :
In Reply to: Short answer posted by David Sherman on Thursday, February 26, 2009 at 04:07:32 :
the little vent hole to drill and pipe thread it and put a rubber line and run it up and away from the mud abd dust that accumulates on the vent >at the top of foot or so line i would put a filter like you see on vacum lines the let air in but no dirt ~ Copey