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<blockquote data-quote="patooyee" data-source="post: 592387" data-attributes="member: 483"><p>If the pressure goes too high you can blow a line or blow the back cap off the pump.</p><p></p><p>Also, the reason that keeper is pressed in and not welded is as a last-ditch fail-safe. If somehow the pressure regulating mechanism otherwise fails, pressure will blow that keeper out internally and the pump will fail without any external damage / shrapnel / pressurized spray. By welding it in you've eliminated that fail safe and now run those risks.</p><p></p><p>Lastly, a properly functioning pump shouldn't blow that keeper out. If it is it indicates other problems.</p><p></p><p>In most pumps it's not just pressed in either. It is pressed and epoxied. If it blows and it is simply pressed back in without being re-epoxied it will likely easily blow again, even under normal operation.</p><p></p><p>How afraid would I legitimately be in your case? Probably not very. Just describing the function of that keeper. I'm not sure what it's official name is either, but I feel like it's not "keeper." <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>I agree, if you're on the trail and can't get off without welding that keeper in then ya gotta do what ya gotta do.</p></blockquote><p></p>
[QUOTE="patooyee, post: 592387, member: 483"] If the pressure goes too high you can blow a line or blow the back cap off the pump. Also, the reason that keeper is pressed in and not welded is as a last-ditch fail-safe. If somehow the pressure regulating mechanism otherwise fails, pressure will blow that keeper out internally and the pump will fail without any external damage / shrapnel / pressurized spray. By welding it in you've eliminated that fail safe and now run those risks. Lastly, a properly functioning pump shouldn't blow that keeper out. If it is it indicates other problems. In most pumps it's not just pressed in either. It is pressed and epoxied. If it blows and it is simply pressed back in without being re-epoxied it will likely easily blow again, even under normal operation. How afraid would I legitimately be in your case? Probably not very. Just describing the function of that keeper. I'm not sure what it's official name is either, but I feel like it's not "keeper." :) I agree, if you're on the trail and can't get off without welding that keeper in then ya gotta do what ya gotta do. [/QUOTE]
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