[TR] [NET] Pilot bush -- TR3

Fri Nov 26 12:56:20 MST 2021

All I know is, nothing else worked until I got the idea to tap the ID of
the bush (9/16 tap) then threaded in a bolt of that size long enough to
bottom-out in the hole behind the bush. The force of the threads pushing
outward freed the bush with something of a ‘pop’. Glad it’s out!

Dave

On Fri, Nov 26, 2021 at 12:56 PM Michael Marr <mmarr at albiontechnical.com>
wrote:

> That’s an old machinist’s trick - if a bushing is too loose in a hole,
> knurl the outside and the peaks created by the knurling tool will take up
> the excessive clearance. But I doubt that that caused it to stick, because
> the contact area between a knurled Bush and its hole is somewhat less than
> a plain bush and its hole. Maybe somebody loctited it.
>
> Mike
>
> Sent from my iPhone
>
> On Nov 26, 2021, at 11:43, DAVE HOGYE <dlhogye at comcast.net> wrote:
>
> 
> I haven't seen one that is knurled like that.  Perhaps that's what made it
> difficult to remove.  Glad you got it out.
> Dave H.
>
> On 11/17/2021 2:21 PM David Friedlander <forzion7 at gmail.com> wrote:
>
>
> Thanks again to everyone. I divided a method for getting the pilot bush
> out.
>
> See photo:
>
> <image.png>
>
>
> I didn't know it had a knurled end! No wonder it had such a grip on the
> crank!
>
> Dave
>
>
> On Wed, Nov 17, 2021 at 4:35 PM tritriple <tritriple at aol.com> wrote:
>
> When all else fails......dynamite!!!! Just a small charge....
>
>
>
> Sent from my Verizon, Samsung Galaxy smartphone
>
>
> -------- Original message --------
> From: David Friedlander via NET <net at newenglandtriumphs.org>
> Date: 11/17/21 3:41 PM (GMT-05:00)
> To: Sujit Roy <triumphstag at gmail.com>
> Cc: Randy and Valerie DeRuiter <deruiterville at hotmail.com>,
> tritriple at aol.com, Triumphs <triumphs at autox.team.net>, New England
> Triumphs <net at newenglandtriumphs.org>
> Subject: Re: [NET] [TR] Pilot bush -- TR3
>
> Thank you, everyone for all your well-informed and helpful responses!
>
> I have now removed the flywheel and delivered it to the local machine shop
> for resurfacing. In the meantime, the pilot bush STILL will not come out of
> the back of the crankshaft and I am devising plans to get it to move. I
> love when people say, "Do this and it will just pop out!" Riggght....  :- )
>
> Dave
>
>
>
> On Wed, Nov 17, 2021 at 3:28 PM Sujit Roy <triumphstag at gmail.com> wrote:
>
> When taking flywheel off on a Stag they recommend replacing the bolts. Not
> cheap.
>
>
> On Wed, Nov 17, 2021, 12:03 PM Randy and Valerie DeRuiter <
> deruiterville at hotmail.com> wrote:
>
> No problem with an impact wrench for removal.  To reinstall, here is my
> version of a flywheel locking tool.  I'm unsure of the Churchill Tool
> number, but note the calibrated on the 2x4 wedge where the flywheel teeth
> dug in and locked.  Just tap the wedge in the starter hole to immobilize
> the flywheel, torque down, and remove the highly calibrated tool for later
> use.
>
> Randy
>
>
> ------------------------------
> *From:* Triumphs <triumphs-bounces at autox.team.net> on behalf of David
> Friedlander <forzion7 at gmail.com>
> *Sent:* Wednesday, November 17, 2021 11:27 AM
> *To:* tritriple at aol.com <tritriple at aol.com>
> *Cc:* triumphs at autox.team.net <triumphs at autox.team.net>;
> net at newenglandtriumphs.org <net at newenglandtriumphs.org>
> *Subject:* Re: [TR] [NET] Pilot bush -- TR3
>
>
> Since the flywheel/crank rotate when I try to loosen the flywheel bolts
> with a ratchet wrench, is it permissible to use an air impact wrench to
> loosen them or is that not a good idea?
>
> Dave
>
>
> On Wed, Nov 17, 2021 at 10:34 AM John Bowe via NET <
> net at newenglandtriumphs.org> wrote:
>
> A couple ways to remove bush..... If you have a wood dowel the right
> size.  Fill the hole with grease and then jam dowel into bush. The pressure
> of grease behind bush should push it out.  Another way is to find a thread
> tap the right size for inside bush and wind it in. The tap will bottom out
> in flywheel and pull the bush out.  If you have a small seal puller with
> the outside facing arms that could work if there is room for fingers to get
> behind bush edges.    Just a few of many ways.    See ya, John B.
>
>
>
> -----Original Message-----
> From: David Friedlander via NET <net at newenglandtriumphs.org>
> To: TR3 Triumphs <triumphs at autox.team.net>; New England Triumphs <
> net at newenglandtriumphs.org>
> Sent: Wed, Nov 17, 2021 10:03 am
> Subject: [NET] Pilot bush -- TR3
>
> Good morning listers!
>
> A quick question: To remove the pilot bushing from the crank, do
> I also have to remove the flywheel? I've already removed the disc
> and pressure plate but the pilot doesn't seem to want to budge....
>
> Thanks for any insights,
>
> Dave
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