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View Full Version : what a pain in the _--- to change the diaphragm on my d-19 hypro pump.


ant
08-27-2002, 11:05 PM
what a pain in the _--- to change the diaphragm on my d-19 hypro pump.
it was easier to take the pump off and rebuild it on the bench...

do i need to put a few lbs. of compressed air in the top diaphragh?

and what is the trick on filling it up with oil?it took 5 min and only added 3 oz.
anthony