[TR] Front Pullet Hub Removal

Mon Jul 19 13:14:51 MDT 2021

Cliff:

Thanks for the tips. 

List:

The oil seal was inside a metal housing pressed into the timing cover.  I had a heck of a time getting it out and damaged it slightly.  See attached pictures.  Seal1.jpg shows it removed but resting on opening in orientation it was installed.  I don’t see this part listed on Moss or TRF.  I am assuming this is the oil seal housing that needs to be reused with new seal.  Thoughts??

Thanks in advance

Jim Henningsen

Ocala, FL

From: Cliff Hansen <cliff_hansen at outlook.com> 
Sent: Monday, July 19, 2021 12:41 PM
To: Jim Henningsen <trguy75 at gmail.com>
Cc: 'TR List' <triumphs at autox.team.net>
Subject: RE: [TR] Front Pullet Hub Removal

Would that bushing be from the rear of the crankshaft, where the input shaft of the transmission rides? If so I also have one in my bin, and that’s a good tip.

>From the other email, I take it you are already planning to remove the timing cover to replace the seal. I would replace the timing chain and tensioner, they are not expensive.

The hub pulley may need a speedisleeve if the old seal has worn any  kind of groove.

When you replace the timing cover, there is a stud in the middle that has to have a fiber washer and gasket sealer between the shoulder on the stud and the timing cover, otherwise oil will leak at this spot.

I did this job about two years ago, leak free since and that’s a good feeling.

Cliff

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From: Jim Henningsen <mailto:trguy75 at gmail.com> 
Sent: Monday, July 19, 2021 10:28 AM
To: 'Cliff Hansen' <mailto:cliff_hansen at outlook.com> 
Cc: 'TR List' <mailto:triumphs at autox.team.net> 
Subject: RE: [TR] Front Pullet Hub Removal

Cliff, so true.  I’m refreshing the 72k orig mile 4A and I definitely run into the “while I’m there, let’s fix this too so I don’t have to go there again for another 20 years.  

I took the extension and large crank bolt out.  I had a 2 inch long thick bronze bushing that fits perfectly on my pulley bolt and flush against the crank.  That provided the strength to pull the pulleys and hub free.  

Thanks, Jim

From: Cliff Hansen <cliff_hansen at outlook.com <mailto:cliff_hansen at outlook.com> > 
Sent: Monday, July 19, 2021 11:14 AM
To: Jim Henningsen <trguy75 at gmail.com <mailto:trguy75 at gmail.com> >
Subject: RE: [TR] Front Pullet Hub Removal

The pulley hub is keyed to the front of the crank and probably adhered with years of crud. My guess is that’s what sticking. Some PB Blaster, and a few raps with a mallet (I use a deadblow) may persuade it. It’s difficult to use a puller since there’s nothing in the center to push against, unless you can find a short bolt to thread in where that large dog bolt was removed.

Since you are in there, if there’s evidence of oil leaking from the timing cover, it’s most likely from the seal between the cover and the pulley hub. But I can see how changing that seal would slide into even more work (hey there’s the timing chain, I should replace that…)  BTDT.

Here’s hoping the pulley hub cooperates.

Cliff

Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986>  for Windows 10

From: Jim Henningsen <mailto:trguy75 at gmail.com> 
Sent: Monday, July 19, 2021 4:25 AM
To: Cliff Hansen <mailto:cliff_hansen at outlook.com> 
Subject: Re: [TR] Front Pullet Hub Removal

Cliff,

Yes, I removed the crank bolt.  The pulley seems pretty tight.  Will see about getting it off today. Thanks, Jim 

On Jul 18, 2021, at 8:39 PM, Cliff Hansen <cliff_hansen at outlook.com <mailto:cliff_hansen at outlook.com> > wrote:

Jim,

I take it you have removed that enormous bolt through the extension. The stock pulley is a two part assembly. You remove the 6 bolts through the hub and pulley halves. Then it just pulls off the front of the crank.

Cliff

Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986>  for Windows 10

From: Jim Henningsen <mailto:trguy75 at gmail.com> 
Sent: Sunday, July 18, 2021 4:57 PM
To: 'TR List' <mailto:triumphs at autox.team.net> 
Subject: [TR] Front Pullet Hub Removal

List:
Converting my 67 4A over to the Bastuck narrow fan belt kit. This kit
retains the fan extension tube and fan.   I have the radiator out and fan
blade and fan extension removed.  I have the stock pulley at the top dead
center position (hole at the top).  Have not removed one of these before.
Any tips on removing would be greatly appreciated.  I still have the cross
tube and was hoping it could be removed while that is still installed.
Thanks in advance!
Jim henningsen
Ocala, FL
61 3A
67 4A
75 6
81 8

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