David Jenkins
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| posted on 23/12/07 at 11:34 AM |
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Nipples!
I thought that'd get your attention... 
Now that the covers are off the transmission tunnel I'm trying to grease the UJ nipples on my propshaft. Trouble is, the grease is just
squirting out between the end of the grease gun and the nipple. I doubt if anything's going in.
It's a Draper grease gun, so not exactly professional grade. It does click onto the nipple, but not exactly a positive fit. Are there
different size nipples (ooer!), e.g. imperial & metric? Or is it simply down to a crummy gun and/or poor technique?
David
P.S. No boob pictures please - I'm a married man!
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rusty nuts
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| posted on 23/12/07 at 11:43 AM |
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Could be a blocked nipple , try taking it out and pumping grease through it . The angle of the grease gun to the nipple also needs to be as straight
as possible.
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bonzoronnie
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 posted on 23/12/07 at 01:46 PM |
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Grase my nipples
Yes there are both metric and imperial nipples.
Have you tried pushing in the small ball to check it is not siezed/blocked. 
Ronnie 
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daviep
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| posted on 23/12/07 at 04:39 PM |
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Do you have a flexible hose or a metal tube on your grease gun? If you have a metal tube try to push the connector on to the nipple as you pump,
sometimes this works.
A blocked nipple should still seal you just can't pump any grease in to it. Normally don't seal because the face has been damaged.
There are a few different versions of grease nipple but they are grossly different and you couldn't use the wrong gease gun by accident. Metric
and Imperial only applies to the threaded portion.
I maintain equipment which has 128 individual grease nipples I know how time consuming / frustrating a nipple which won't seal or won't
take grease can be .
Regards
Davie
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David Jenkins
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| posted on 24/12/07 at 09:19 AM |
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Well, I poked the ball in the nipple, and clean grease squirted out, so I reckon I must have got some in there...
I'll just do the back UJ, check that there's some in there too, then leave it alone.
(This is about the only job for which I need a grease gun - the rest of the time it just sits on a shelf)
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