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 Post subject: grease nipples
PostPosted: Thu May 18, 2017 2:24 pm 
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Hello,
I want to grease the outer universals on the drive shafts, does anyone know what size nipple I need to purchase ? The joints are the original ones BTW with the grub screw fitted.
Thanks,
Michael.


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 Post subject: Re: grease nipples
PostPosted: Thu May 18, 2017 5:13 pm 
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I'm fairly confident they are 1/4" UNF with a long shank to make it easier to get the grease gun in between the yokes of the u/j.
Like these....http://www.ebay.co.uk/itm/like/36015719 ... 797&crdt=0
Edit: Or better still, these, because we know these are right :wink:
http://www.chriswitor.com/proddetail.php?prod=144825RM

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 Post subject: Re: grease nipples
PostPosted: Thu May 18, 2017 5:22 pm 
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Thanks Dave,
I should have checked Chris's site first, he has the right stuff.
Mike.


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 Post subject: Re: grease nipples
PostPosted: Fri May 19, 2017 9:03 am 
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I have to admit to keeping the old grease nipples when I changed UJs in the past (when they had grease nipples that is!). So I have a 'few' in a drawer. Somewhere!

If you intend to leave the nipples in place (which should be OK) do make sure that t hey don't foul the UJ spider!

Cheers,
Mike.

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 Post subject: Re: grease nipples
PostPosted: Fri May 19, 2017 6:29 pm 
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That's very good advice from Mike (as always), though I believe he means that care has to be taken to avoid a foul with the prop shaft flange rather than with the spider. To expand on this...

When fitting a new UJ having a long grease nipple, it needs to be assembled with the spider in a rotational position such that the nipple won't hit the flange due to the running angle of the prop shaft when on the car. (I wish I could think how to explain that more clearly!) Get it wrong and the nipple will need to be replaced with a plug (grub screw), or the assembly taken apart and refitted correctly.


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 Post subject: Re: grease nipples
PostPosted: Sun May 21, 2017 5:53 pm 
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I've never realised that the rotational orientation made a difference to the position of the grease nipple - I suppose I just assumed that it was symetrical. Many thanks for that insight David - it's the first bit of real "I never knew that" information I've received for a long time where I truly would never have guessed.

But when I last looked at fitting grease nipples to the outer drive shaft coupling I'm sure I concluded it would need an angled nipple, as the coupling was in a tunnel through the trailing arm housing. Or is there a hole in the arm aligning with the nipple to get the grease gun through?


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 Post subject: Re: grease nipples
PostPosted: Mon May 22, 2017 10:36 am 
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Thanks David! Yes, of course, the nipple fits into the spider! David post has also reminded me that the flange (and the other end on the shaft) is a bit asymmetric allowing a bit more room for a grease nipple so it is important to make sure the hole in the spider is in line with them!

Clifford - I find I'm always learning something new!

Cheers,
Mike.

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(1949 LandRover was blue should be light green!)


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 Post subject: Re: grease nipples
PostPosted: Tue May 23, 2017 4:44 pm 
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Clifford Pope wrote:
...But when I last looked at fitting grease nipples to the outer drive shaft coupling I'm sure I concluded it would need an angled nipple, as the coupling was in a tunnel through the trailing arm housing. Or is there a hole in the arm aligning with the nipple to get the grease gun through?

I can't recall the situation with the drive shaft outer grease nipple offhand, but I'm sure someone else will know.


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 Post subject: Re: grease nipples
PostPosted: Wed May 24, 2017 6:25 am 
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I've always partially withdrawn the driveshaft from the swing arm to grease the outer UJ. I've never seen any angle nipple there or a hole in the swing arm itself to give access while the drive shaft is still installed. Can't see any reason why not though although aligning the grease gun through the hole could be interesting!

Cheers,
Mike.

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1967 Herald 1200 Convertible rust should be white
1971 2.5PI Saloon Sapphire blue
1973 2.5PI Saloon rust some Honeysuckle
1973 Stag French blue
(1949 LandRover was blue should be light green!)


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