Thread: hypro d403grgi
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Old 08-14-2012, 09:52 PM
bug-guy bug-guy is offline
LawnSite Senior Member
Join Date: Apr 2006
Location: spring hill/brooksville
Posts: 880
diaphram pumps need water(spray solution) on 1 side of the diaphram and oil on the other side. running it dry on either one can damage the diaphrams
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