<div dir="ltr"><div>Just after I wrote this I found the error of my ways.</div>
<div>It's embarrassing.</div>
<div>I put the damn pump valves in incorrectly.</div>
<div>I've had this thing apart many times and didn't notice it until just now.</div>
<div>I found a good way to check the pump operation when it's off the engine. Put both push rods in and move them back and forth while holding the pump body with the other hand. It makes an audible sound if working correctly. If you connect a fuel source to it, fuel will flow out of the other fitting.</div>
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<div>Anyway, I get a big DUH for this one.</div>
<div>I'll let you know if it starts.</div>
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<div>Thanks,</div>
<div>b<br><br></div>
<div class="gmail_quote">On Mon, Aug 25, 2008 at 1:35 PM, Bob Kane <span dir="ltr"><<a href="mailto:getterflash@yahoo.com">getterflash@yahoo.com</a>></span> wrote:<br>
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<div style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman, new york, times, serif">You are now deeper into the DZ than I have been, I've replaced the pump but not rebuilt one yet. I'll look at the old pump I have, the pushrods should be in the stock positions.<br>
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<div> </div>Bob Kane<br><a href="mailto:getterflash@yahoo.com" target="_blank">getterflash@yahoo.com</a></font>
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<div style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman,new york,times,serif">----- Original Message ----<br>From: Bob Wilson <<a href="mailto:wilsorc@gmail.com" target="_blank">wilsorc@gmail.com</a>><br>To: General pattern discussion <<a href="mailto:nsrca-discussion@lists.nsrca.org" target="_blank">nsrca-discussion@lists.nsrca.org</a>><br>
Sent: Monday, August 25, 2008 1:59:36 PM<br>Subject: [NSRCA-discussion] 140DZ rebuild...Help!<br><br>
<div dir="ltr">
<p>I've completly rebuilt a YS 140DZ but I can't get the pump to work.<br>I've torn this thing down so many times I could rebuild it in my sleep but there are a few questions I need to ask about the pump assembly.</p>
<div>Which pump push rod should be longer, the upper or lower?<br>How should the pump plunger be installed? Open end up (towards engine head) or down.<br>It appears that the pump gasket openings are small and may inhibit the pump valve operation. Is this a concern?</div>
<div> </div>
<div>Any help would be appreciated.</div>
<div> </div>
<div>Bob Wilson</div>
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