Lotus Elan

Tips from the Workshop

PostPost by: englishmaninwales » Mon Jan 29, 2018 3:08 pm

Brian?s tip in January?s Club Lotus News Elan section (to run a 3/4? tap through the hinge to prevent the nylon pin going very tight when trying to adjust) gets a big +1 vote from me :D

Well timed too as I read it just before fitting the replacement hinge pins yesterday.
Malcolm
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PostPost by: MarkDa » Mon Jan 29, 2018 6:50 pm

It's not a a size I have to hand!
Perhaps we can ask our suppliers to do it before they despatch.
Or possibly using a bolt in and out a few times will so the trick as well?
Last edited by MarkDa on Tue Jan 30, 2018 3:28 pm, edited 1 time in total.
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PostPost by: Elan45 » Tue Jan 30, 2018 2:43 pm

I still say to buy a piece of 1/4 in keystock to make into a dedicated tool for turning and adjusting the hinge pins. The keystock will go into the pin farther than the 1/4 in that a 1/4 drive extension and not strip out the nylon pin.
Roger
'67 Elan S3 SS DHC
'67 Elan FHC pre-airflow
'67 Elan S3 SE upgrade to 26R by Original owner
'58 Eleven S2 (ex-works)
'62 20/22 FJ (ex-Yamura)
'70 Elan +2S RHD
'61 20 FJ project
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PostPost by: englishmaninwales » Tue Jan 30, 2018 5:35 pm

Roger, I agree absolutely about the 1/4 bar, that?s what I used, inserted fully into the square recess. However, it was horribly stiff. The 3/4? UNF tap (?8.5 from eBay) cleaned up the thread nicely so the nylon pin was easy to turn for the initial installation and height adjustment of the door.
Malcolm
1966 Elan S3 Coupe
1994 Caterham 7
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PostPost by: MarkDa » Tue Jan 30, 2018 6:25 pm

That's not a bad price for the ease of installation and piece of mind for future adjustment/ removal.
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PostPost by: Elan45 » Thu Feb 01, 2018 2:13 pm

Be careful when ordering a tap. Common thread pitches are 10 and 18 threads per inch. I think I have a pitch gauge down here in Florida and I will check it once I get out in the shop today.

I agree that running a tap through to clean the thread is a good idea, but I would think most of us Elan owners have pins already installed and to keep them from being damaged with too short an engagement, I think everyone should have a dedicated tool made from keystock. Also, before trying to turn the bottom pins, clean the swarf/ debris out w/ a small screwdriver and compressed air or shop vac.

Roger
'67 Elan S3 SS DHC
'67 Elan FHC pre-airflow
'67 Elan S3 SE upgrade to 26R by Original owner
'58 Eleven S2 (ex-works)
'62 20/22 FJ (ex-Yamura)
'70 Elan +2S RHD
'61 20 FJ project
'76 Modus M1 F3
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PostPost by: MarkDa » Thu Feb 01, 2018 2:43 pm

For 3/4" pitches are 10 for unc and 16 for UNF.
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PostPost by: oldelanman » Thu Feb 01, 2018 3:49 pm

Elan45 wrote:Also, before trying to turn the bottom pins, clean the swarf/ debris out w/ a small screwdriver and compressed air or shop vac.

And when you're done adjusting them, embalm the hardware and plug the open end of the lock nut.

doors-009.jpg and
Roger
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PostPost by: Elan45 » Thu Feb 01, 2018 5:08 pm

16 TPI thread gauge slips right in. If I'd only completely read that the tap purchased was 3/4 UNF.

Roger
'67 Elan S3 SS DHC
'67 Elan FHC pre-airflow
'67 Elan S3 SE upgrade to 26R by Original owner
'58 Eleven S2 (ex-works)
'62 20/22 FJ (ex-Yamura)
'70 Elan +2S RHD
'61 20 FJ project
'76 Modus M1 F3
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PostPost by: englishmaninwales » Thu Feb 01, 2018 7:24 pm

Elan45 wrote:............I would think most of us Elan owners have pins already installed and to keep them from being damaged with too short an engagement......

Roger


Wishful thinking in a car that is 51 years old and 14 previous owners!
In addition to fixing a broken winder cable, the door had to come off to repair the worn bottom cup bobbin, and I found a pin that needed replacing(square recess ok, damaged thread). The new one was extremely tight, hence the need to clean the thread. Problem solved. The ?Tip? was perfect timing


Malcolm.
1966 Elan S3 Coupe
1994 Caterham 7
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