Quote:
Originally Posted by cho
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If the Dv's are crud-ed or plagued with some residues, service can be done,but
if those are worn I'm strong believer that service can not be done successfully due to shape and design of the DV's surface.
Attempt to do so by other members I spoke (on STD) failed miserably.
Delivery valve holders on the other hand can be easily done or even fabricated
cheaply.
cheers
ChO
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Too bad but if it is the way people have found the situation. It is the way it is. I only remembered some mentions over the years on people dealing with them but not the specifics of how over the years. Nor any success or failure rates.
A chance taken on a used delivery valve as a replacement for a suspected bad one is reasonable in my mind. If they are quite expensive new.