Update the CHAINCASE SEALING BAND

pierodn · Nov 2, 2015

Hi All,
someone knows a CHAINCASE SEALING BAND update?.
May be a thick sealing band?.
Thank you.
Piero

texasSlick · Nov 2, 2015

"Sealing Band" implies you want one for an Atlas or Dominator. An "O ring" would be for a Commando.

Slick

DogT · Nov 2, 2015

If you mean the regular Commando large O-ring for the chain case, I find it useful to put the O-ring in the groove with silicone and the use a very light smear of silicone on top of the o-ring and then install the outer cover.

Craig · Nov 2, 2015

DogT's method works for me too ..... never a drop of ATF escapes ..... "great old minds" work the same I guess ...
I also make sure the mating surfaces are spotless before I start the process ...
Craig

concours · Nov 2, 2015

Craig said:
DogT's method works for me too ..... never a drop of ATF escapes ..... "great old minds" work the same I guess ...
I also make sure the mating surfaces are spotless before I start the process ...
Craig

+2

DogT · Nov 2, 2015

Also make sure the outer case is flat and the inner case is not bent from installing the wrong shim behind the center stud that goes to the cradle.

grandpaul · Nov 3, 2015

I once had a non-Andover chaincase o-ring that was thicker, sort of neoprene possibly. I have no idea where it came from, it was on one of two Norton choppers I rescued with a BSA chopper.

It was hard to look at...

debby · Nov 3, 2015

If you guys want to argue about the correct name, the parts list calls it a "chaincase band rubber"

So there you go - you're all wrong!

Bob Z. · Nov 3, 2015

I have used automotive 1/8" windshield wiper vacuum hose successfully.
Nice and pliable as it is a hose rather than solid rubber.
Intended for use on 1/8" OD fittings, but fits the primary cover groove perfectly.

Metric dimensions are approximately 5.5mm OD and 2.25mm ID.

mudplugger · Nov 3, 2015

I hope you did something good with that chopper, otherwise the rescue would be wasted. lol

pierodn · Nov 3, 2015

debby said:
If you guys want to argue about the correct name, the parts list calls it a "chaincase band rubber"

So there you go - you're all wrong!

Hi Guy.
You are in wrong.
Andover 1971 web parts lists says "CHAINCASE SEALING BAND".
http://www.nortonmotors.de/ANIL/Norton% ... 08&Part=23

grandpaul · Nov 3, 2015

mudplugger said:
I hope you did something good with that chopper, otherwise the rescue would be wasted. lol

The composite photo is "Before" and "After"

Craig · Nov 3, 2015

Yup ... I had one of those soft rubber neoprene sealing bands for a while ..... worked as good as the o-ring style .... maybe a bit easier to install ... only ever saw that one , it had arrived in bunch of used parts .... called Brit Cycle to replace it when time came and ended up with o-ring style again ...
Craig

mudplugger · Nov 4, 2015

wow that was well and truly rescued then, great looking bike now.

Update the CHAINCASE SEALING BAND

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