Distributor oil seal

[PhilW]

Does anyone know the size and material of the oil seal O ring on the shaft of the distributor. Thanks

[ekwan]

12mm hole size, 22mm outer diameter, 4mm thick. I am not sure if the oil seals are directional though.

Edited April 1, 2019 by ekwan

[PhilW]

Im not sure which seal this is. (12x22x4)  I cant find it in the parts book.  Where exactly is it located?  I am also after this O ring.  No2.  Anyone know what size it is.  SJ want £13 plus postage which I wont pay on principal unless it is proved to be something special.

[ekwan]

The distributor shaft oil seal is located under the advance weights. To access, you need to remove the distributor shaft.

As for part no. 2, I could measure that for you a few hours later when I get home since I have a stripped down distributor on my table.

[PhilW]

Eric I would appreciate that if you can. Thanks 

[910Esprit]

11 hours ago, PhilW said:

SJ want £13 plus postage

That's just ridiculous (yes I know they are in business)   A standard Nitrile O-Ring will be just fine and cost you maybe £1 or so delivered....    Think I also have some new ones knocking around if I can find them for measurement (they are thinner than a typical o ring)

[PhilW]

Thanks Steve.  Let me know if you find them.  Cheers

[ekwan]

24 X 1.5mm

[PhilW]

Cheers Erik.  24 inside or outside?

 

[ekwan]

21 minutes ago, PhilW said:

Cheers Erik.  24 inside or outside?

 

ID 24mm. Rubber is 1.5mm diameter.

 

[sailorbob]

SJ's do have their own alternative to A907E6251F for 84 pence. Their postage will cost you more

[PhilW]

Erik/Steve. O rings arrived. Dont look right to me. Cant see this is going stop much but maybe its enough

[ekwan]

[eeyoreish]

I had the same issue. Ordered the correct O ring from Lotus only to find it was a little slack in the dizzy and didn't look like it would seal against the outside of the housing either. In the end I replaced with a slightly fatter O ring from my box of standard ones. Sorry I can't recall the exact size.

[PhilW]

Yes i think i will try that. I think my seal wont do anything. Will let you know what i end up with. 

[ekwan]

You could try an o-ring with 2mm rubber diameter but it may be extremely tight fitting, if at all possible. Bear in mind, o-rings depend on "squeeze" both radially and laterally, for sealing. As the rubber material squashes radially,  it deforms laterally to fill the groove in which it sits. 

[PhilW]

Well Eric. That little plan didnt work!  See “No spark thread”. Will speak to someone other than SJ tomorrow. 

[TAR]

The o ring should fill the cutout, what you have fitted is not the correct one. 

[ekwan]

13 hours ago, PhilW said:

Well Eric. That little plan didnt work!  See “No spark thread”. Will speak to someone other than SJ tomorrow. 

I am speechless. Perhaps you could walk into a local o-ring supplier, or a motor factor with your distributor. 😥

[PhilW]

Yes. Ill find a fix. Thanks for your help with my sparking issue by the way👍