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Blocked greasing point

Grumpy

I have one pin on my tractor front end loader that won't take grease.

I have checked the nipple and that the hole through the pin is clear. I've tried using a grease hammer with white spirit and I've tried heating it up with a gas torch. All to no avail.

It's a through pin secured by a through roll pin which is of course itself stuck so currently I can't drive the main pin out.

It doesn't have a hard life so leaving it could be an option but that doesn't sit well with my inner mechanic! So, all I can think of is to get really radical with the gas torch, what, to the point of cherry red? As I said, it's working ok atm so I don't want to *** it up!

I would welcome any other suggestions that have worked for you in the past.

Thanks G.

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  • 0

    Is this a pin with a grease nipple at one end,  a through boring and then a cross hole to reach the bearing surface? You have checked that the through boring is open so the cross hole appears to be blocked. Do you know if the pin is running in a bush of some sort? 

    I have had some success by putting the whole joint in a plastic bag full of Xylene (Hammarite solvent) for a day or so but I don't know if that is possible in your case.

  • 0 in reply to Roger B

    Thanks for your replies. It's exactly as you described Roger but I don't think that there's a bush. I can't move the pin or get it out without removing the wretched roll pin, is there a tried and tested method to do this? YouTube's keen on blow lamps, what do you think?

  • 0 in reply to Grumpy

    For removing roll pins a correctly sized punch is important as well as being able to get a good square hit.

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