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Grease Nipple


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#1 MichaelBeck OFFLINE  

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Posted September 21, 2015 - 07:14 PM

This isn't a problem with my tractor but with a friends - When going to grease it today, this front axle center and RHS rear hub grease fittings will not take any grease, even under a ton of pressure - Have removed and checked the nipple but the problem remains - Anyone know how to sort this?



#2 Bolens 1000 ONLINE  

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Posted September 21, 2015 - 07:18 PM

Likely the zerc/port is clogged with old solidified grease, remove the fitting then spray with some PB blaster to loosen the old grease, may have to do this a few times and poke a wire in there was well, if you keep at it you can eventually get grease to go through.


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#3 Deerlope ONLINE  

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Posted September 21, 2015 - 07:28 PM

For what little they cost just put in a new one.


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#4 MichaelBeck OFFLINE  

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Posted September 21, 2015 - 08:07 PM

Yep we put a new fitting on it, might poke about with wire and maybe give it a bit of heat as well. Wish we could get PB Blaster here, be handy as


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#5 Lauber1 OFFLINE  

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Posted September 21, 2015 - 08:45 PM

might not really be the zerk, but a blockage of junk past the zerk. You might have to tear down farther to get the hard stuff of the passage.


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#6 backyardtinker OFFLINE  

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Posted September 21, 2015 - 08:47 PM

I do this weekly at work. If you can get a drill bit in the grease port just burrow into the crud ( by hand, no drill needed. If you have a drill bit with a hex on the end, use a 1/4 inch socket on a nut driver) and also a few shots of carb cleaner will help dissolve it. A new grease gun coupler will help a lot too. Heat is helpful sometimes too but rarely needed if you do the other stuff first. The PB Blaster is usually the last element I put into the grease port once I clear out as much crud as possible, I fill it with the Blaster and then put the fitting in and put the pressure to it. The thin oil under pressure usually can then blow out the remaining crud.


Edited by backyardtinker, September 21, 2015 - 08:49 PM.

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#7 ol' stonebreaker ONLINE  

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Posted September 21, 2015 - 09:29 PM

  Just be sure it's not the gun coupler that's plugged. It can happen.

                                              Mike


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#8 chieffan ONLINE  

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Posted September 22, 2015 - 05:34 AM

Put the zerk in the gun and pump it once to make sure the gun is working and the zerk is open.  This zerk and the one in the steering shaft (where applicable) are probably the two most neglected lube places on a tractor.



#9 DennyIN ONLINE  

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Posted September 22, 2015 - 07:26 AM

I have a tool that you fill with light weight oil, put on the grease zerk and hit the end with a hammer to blow the zerk open and flush the fitting you are trying to grease.

one, there are others. 


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#10 DennyIN ONLINE  

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Posted September 22, 2015 - 07:27 AM

Norther tool IPA Grease Fitting Cleaner
Item# 403100

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#11 chieffan ONLINE  

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Posted September 22, 2015 - 08:10 AM

I have a tool that you fill with light weight oil, put on the grease zerk and hit the end with a hammer to blow the zerk open and flush the fitting you are trying to grease.

one, there are others. 

I have had two different one and neither one worked.  Not a tight enough seal around the head of the zerk to force anything in.  Zerk Zapper was one brand and had it replaced.  New one didn't work any better.  Best is still to start at the source of the problem and go from there.


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#12 LilysDad ONLINE  

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Posted September 22, 2015 - 08:21 AM

Wish we could get PB Blaster here, be handy as

If you can get trans fluid and acetone, you have the best thing there is.

 

I do this weekly at work. If you can get a drill bit in the grease port just burrow into the crud ( by hand, no drill needed.

If you have to do this, your not greasing often enough!


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#13 backyardtinker OFFLINE  

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Posted September 22, 2015 - 05:47 PM

If you can get trans fluid and acetone, you have the best thing there is.

 

If you have to do this, your not greasing often enough!

 

Thanks, you would think that's the case, but I can only grease the fittings when my customers PM's come due and usually that is every 90 days or later. Most fittings remain clear but certain ones often seem to plug up. I have a theory as to why but it is only speculation and hard to prove. ( It seems to happen to the fittings where the pins are subject to impact and exposed to a lot of crud, so....) I always grease every single fitting on every truck on every pm and it drives me nuts when I go back and have to clear grease passages that should be open.


Edited by backyardtinker, September 22, 2015 - 05:48 PM.

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#14 LilysDad ONLINE  

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Posted September 22, 2015 - 06:45 PM

Sorry! I guess I assumed you were working for a contractor or some such who owned the trucks.


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#15 backyardtinker OFFLINE  

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Posted September 24, 2015 - 06:36 AM

Sorry! I guess I assumed you were working for a contractor or some such who owned the trucks.

Nope, mobile fork lift tech :D


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