Re: Drop arm [3 Attachments]
Posted: Thu Sep 28, 2017 12:07 pm
Dear All,
Thank you all who replied on this. I now know that at least I have the thing the right way up. I will get it crack tested and go on from there.
What started me on all this was the restricted range of movement that is available to the drop arm on my car. I suspect that the steering box bracket, adapted when the car was first converted from MPJG, my be positioning the steering box wrongly so that the drop arm hits the sump. In Duncan's photo it looks as if the drop arm should swing below the sump. Is that the case?
Graham
On 28/09/17 19:42, Duncan morelists@yahoo.com [mg-tabc] wrote: > The --"newer" design has more meat where the bolt pinches, compared to the drop arms the factory used on the early TC's. > > Yes, the design was changed during production because of more likely failures. Here pics of the revised design on a '49 TC. Same part number you mentioned, on bottom (facing ground) of arm. This is a factory original arm. > TC9866 > CA > > ----------------------------------------- > On Thu, 9/28/17, kdcamer@295.ca [mg-tabc] mg-tabc-noreply@yahoogroups.com> wrote: > > Subject: RE: [mg-tabc] Drop arm > To: mg-tabc@yahoogroups.com > Cc: "Doug Pelton" doug@fromtheframeup.com> > Date: Thursday, September 28, 2017, 10:37 AM > > > > > > > > > > > > > I have two drop arms, neither of which are like > that. They have machined > > flats for the bolt which cut rather deeply into the boss. > The part number > > is 11157. Are these earlier drop arms? Have the earlier drop > arms been > > more likely to fail? > > > > Dave Cameron > > Metcalfe, Ontario > > TC/6781 > > > > > Hi Graham, > > > > > > > > > > > > Your drop arm shown in photo is correct. Not bent and > has the ball > > > inserted correctly. However you will need to remove > the drop arm ball to > > > insert through the end of the drop arm end casing. > Once the end assembly > > > is complete then refit the taper into the drop arm. > > > > > > > > > > > > Yes, the drop arm needs to be exactly 90 degrees to the > sector shaft. > > > Because you cannot see the orientation of sector shaft > inside the box, you > > > can reference a line on bottom of shaft to show the 90 > degree mark. New > > > sector shafts do not have this and you will need to > remove the box top. > > > > > > > > > > > > You also have the late version of drop arm so all you > need to do is have > > > it cracked checked and you should be good. > > > > > > > > > > > > If you need any further assistance, let me know. > > > > > > > > > > > > Best regards, > > > > > > > > > > > > Doug Pelton, Proprietor > > > > > > From The Frame Up > > > > > > 480-588-8185 > > > > > > For Fastest Service: > order@fromtheframeup.com> > > > order@fromtheframeup.com > > > > > > > https://www.facebook.com/From-The-Frame-Up-355259481321447/> > Like us on > > > FACEBOOK! > > > > > > > https://www.youtube.com/channel/UCeHmISiaXGCQTaA24hF46XQ> > See us on > > > YouTUBE! > > > > > > > > > > > > http://www.fromtheframeup.com/> > www.FromTheFrameUp.com > > > > > > > > > > > > From: mg-tabc@yahoogroups.com > [mailto:mg-tabc@yahoogroups.com] On Behalf > > > Of Graham Knight graham.knight5@gmail.com [mg-tabc] > > > Sent: Thursday, September 28, 2017 1:40 AM > > > To: MG-TABC List mg-tabc@yahoogroups.com> > > > Subject: [mg-tabc] Drop arm [1 Attachment] > > > > > > > > > > > > > > > > > > [Attachment(s) from Graham Knight included below] > > > > > > Dear All, > > > > > > I have attached a photo of my drop arm. > > > > > > Is it bent? Should the arm be at 90 degrees to the > sector shaft? > > > > > > Which way up should it be; ball up or ball down. > > > > > > Many thanks for your help. > > > > > > Graham > > > > > > > > > > > > > > > > > > --- > > > This email has been checked for viruses by Avast > antivirus software. > > > https://www.avast.com/antivirus > > > > > > > > > > > > > > > > > #yiv3925832756 #yiv3925832756 -- > #yiv3925832756ygrp-mkp { > border:1px solid #d8d8d8;font-family:Arial;margin:10px > 0;padding:0 10px;} > > #yiv3925832756 #yiv3925832756ygrp-mkp hr { > border:1px solid #d8d8d8;} > > #yiv3925832756 #yiv3925832756ygrp-mkp #yiv3925832756hd { > color:#628c2a;font-size:85%;font-weight:700;line-height:122%;margin:10px > 0;} > > #yiv3925832756 #yiv3925832756ygrp-mkp #yiv3925832756ads { > margin-bottom:10px;} > > #yiv3925832756 #yiv3925832756ygrp-mkp .yiv3925832756ad { > padding:0 0;} > > #yiv3925832756 #yiv3925832756ygrp-mkp .yiv3925832756ad p { > margin:0;} > > #yiv3925832756 #yiv3925832756ygrp-mkp 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