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<p class="MsoNormal">I’m installing a new water pump on my TR4A. The pulley was supplied separately. The slot on the pump shaft for the woodruff key measured 0.125” in width, the key itself is 0.122” in thickness. The key fits snugly in the pulley slot but
is loose enough on the pump shaft that I’ll never get the pulley installed – the pulley pushes the key out of the shaft slot.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Any advice here? I’ve considered:</p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">Staking the round part of the key to expand it a bit.</li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">‘gluing’ the key in the pump shaft using threadlocker or sticky gasket adhesive.</li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">Buying a 3/32 key and filing it down (groan).</li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m worried that the loose key will eventually wallow out the shaft on the pump and make it useless.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks in advance,</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Cliff</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986">
Mail</a> for Windows 10</p>
<p class="MsoNormal"><o:p> </o:p></p>
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