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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Hi,<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>David has already steered me in the right direction with regard to the reamer.<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>And a further query…..<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>It seems very likely from what I confront in my car and from the advice received to date – for which many thanks -..it seems very likely that the issue is caused by the pump plunger being stuck or, I suspect, not quite orientated.<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Despite what you guys suspect by now(!), I study form religiously before I delve into these things and have been brought up short by a section in the BMC manual, Section G8, “Pump Valve”. One is told how to put the “pump body” back in using one of many mythical special tools and then the manual addresses the insertion of the “plunger” (piston):- “The pump plunger is prevented from rotation when in position by a guide peg carried in the front casing. When assembling the pump, the plunger should be inserted with the flat on its head facing the rear of the unit. It is possible to guide it past the guide peg by means of a screwdriver inserted through the side of the casting”.<o:p></o:p></span></p><ol style='margin-top:0cm' start=1 type=1><li class=MsoListParagraph style='margin-left:0cm;mso-list:l2 level1 lfo5'><span style='mso-fareast-language:EN-US'>Can that procedure be carried out when the OD is still in the car as is implied by the manual?<o:p></o:p></span></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l2 level1 lfo5'><span style='mso-fareast-language:EN-US'>If so, where is the access point through which one can insert a screwdriver? (Strikes me that oil would gush out…..If the pump ever restarted pumping!)<o:p></o:p></span></li><li class=MsoListParagraph style='margin-left:0cm;mso-list:l2 level1 lfo5'><span style='mso-fareast-language:EN-US'>If not so, is there a trick involved in getting the plunger up and correctly sited?<o:p></o:p></span></li></ol><p class=MsoListParagraph><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoListParagraph><span style='mso-fareast-language:EN-US'>Simon<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> Healeys <healeys-bounces@autox.team.net> <b>On Behalf Of </b>Henry G Leach via Healeys<br><b>Sent:</b> 30 August 2021 01:57<br><b>To:</b> 'David Nock' <healeydoc@sbcglobal.net><br><b>Cc:</b> 'Healeys' <healeys@autox.team.net><br><b>Subject:</b> Re: [Healeys] Overdrive pump queries<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>David-help this guy out here...he is getting desperate! He has been at this project for months and can't get enough pressure. What size reamer and where can he get one? He lives in UK. Thanks, Hank<o:p></o:p></p><p>-----------------------------------------<o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>From: "David Nock" <br>To: <a href="mailto:gradea1@charter.net">gradea1@charter.net</a><br>Cc: "Michael Salter", "Healeys"<br>Sent: Sunday August 29 2021 12:28:02PM<br>Subject: Re: [Healeys] Overdrive pump queries<br><br>Smacking the check ball will not make a new seat in the pump. You must cut a new seat with a special reamer. <o:p></o:p></p><div><div><p class=MsoNormal>David Nock<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div></div></body></html>