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Primary gear oil seal adventures
https://www.ausmini.com/forums/viewtopic.php?f=2&t=98604
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Author:  simonw [ Fri May 24, 2019 8:31 am ]
Post subject:  Primary gear oil seal adventures

So have been tackling this and some might find it interesting ..
I havd 3 seals , all measured differently :

2 red = 54 ish mm id
1 black = 53mm id

Black did not like the primary gear. Od was fine but inner would not fit on .

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Homemade seal press: 60m pipe joiner coupled with gear change cap and crank bolt .
Works a treat if you have the right seal that’s wants to fit .

Thought the red did until I saw this

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Author:  simon k [ Fri May 24, 2019 12:49 pm ]
Post subject:  Re: Primary gear oil seal adventures

oil up the seal and the tape over the primary gear

Author:  Scoop [ Fri May 24, 2019 10:02 pm ]
Post subject:  Re: Primary gear oil seal adventures

Try using pvc duct tape instead of masking tape. It will slide easier.

Author:  simonw [ Fri May 24, 2019 10:13 pm ]
Post subject:  Re: Primary gear oil seal adventures

Scoop wrote:
Try using pvc duct tape instead of masking tape. It will slide easier.

Thanks scoop and Simon , will try when I get some more seals


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Author:  AEG163job [ Fri May 24, 2019 10:43 pm ]
Post subject:  Re: Primary gear oil seal adventures

I've never had any dramas with the red seals.

Author:  850_Van [ Sat May 25, 2019 7:28 am ]
Post subject:  Re: Primary gear oil seal adventures

I like your idea of the seal press. Are you able to show how it's put together/made?

Author:  mickmini [ Sat May 25, 2019 3:56 pm ]
Post subject:  Re: Primary gear oil seal adventures

It is really easy with the right tools - 18G1098 is a sleave that enables you to slide the lip of the seal all the way along the primary gear and over the shoulder that you seem to be catching them on. It also has a handy taper that eases the seal out to the shoulder diameter before you slide it along.

If you want to make your own version, just get a nice taper for the seal lip to get out to the shoulder diameter and slide straight onto the seal running surface, this is the key.

Attachment:
S20.JPG

Author:  simonw [ Wed Jun 12, 2019 9:47 pm ]
Post subject:  Re: Primary gear oil seal adventures

Seal tool in action .

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Author:  simon k [ Thu Jun 13, 2019 12:27 pm ]
Post subject:  Re: Primary gear oil seal adventures

that's a snazzy piece of work!

Author:  simonw [ Thu Jun 13, 2019 4:18 pm ]
Post subject:  Re: Primary gear oil seal adventures

simon k wrote:
that's a snazzy piece of work!


Haha yes it is ! A bit of bling that’s used literally for 2 mins ....
it’s available for anyone anyone who wants to use it .. postage only


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Author:  850_Van [ Thu Jun 13, 2019 9:42 pm ]
Post subject:  Re: Primary gear oil seal adventures

Hey Simon,
Did you buy the tool from minisport?

Author:  goodie [ Wed Jul 10, 2019 9:23 am ]
Post subject:  Re: Primary gear oil seal adventures

I was lucky , I scored these from an old Pommy BMC mechanic a few yrs ago,

Author:  drmini in aust [ Wed Jul 10, 2019 10:57 am ]
Post subject:  Re: Primary gear oil seal adventures

I made the same tools, years ago. :mrgreen:

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