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Grease Gun Priming Solution

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Tugboat

10-20-2002 04:47:44




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Sometimes, after I change out the cartrige on my grease gun I have a tough time getting it to prime. Well, I figured it out yesterday and thought you guys may be able to use this idea too.
Clamp the pump end of the gun in your vice and pour in some oil. (just enough to fill the pump. Doesn't take much) Reinstall the cartrige and housing.
The oil pumps out first and pulls the grease right behind it!
I been fighting these things for 59 years, but no more!
Try it, you'll like it.
Regards, Tugboat

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Bus Driver

10-21-2002 05:30:44




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 Re: Grease Gun Priming Solution in reply to Tugboat, 10-20-2002 04:47:44  
Storing the cartridges on end with the tab end down helps in that any air trapped there at the filling plant will tend to move to the end stored "up".



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Buct (OH)

10-21-2002 09:33:32




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 Re: Re: Grease Gun Priming Solution in reply to Bus Driver, 10-21-2002 05:30:44  
Bus driver has it right, grease cases are marked in big letters THIS END UP. Sideways stored grease tubs are nutten but trouble. Leave the top of the gun a few threads loose, pull the follower handle back and give it a 1/4 of a turn to lock it to the follower and push it against yout belly while you pump the handle. Air comes out in a couple pumps and your done.



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Ron

10-20-2002 19:24:55




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 Re: Grease Gun Priming Solution in reply to Tugboat, 10-20-2002 04:47:44  
Are you guys RICH, or something.???..!!!!!

I use the bulk 5 gallon bucket, with the follower, and never have a problem with my grease gun...!!!!! One heck of a lot cheaper, too....!!!!! ! Besides, it holds more, too..!!!



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cannonball

10-20-2002 17:38:18




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 Re: Grease Gun Priming Solution in reply to Tugboat, 10-20-2002 04:47:44  
i use the vise method but i just turn the loading rod till it locks and push down while pumping..pushes grease right up ..also i never tighten the barrel all the way...always works..use a 2 air lincolns and stewart warner hand gun..have nice day may god bless



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Jim in UK

10-20-2002 06:19:31




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 Re: Grease Gun Priming Solution in reply to Tugboat, 10-20-2002 04:47:44  
I have experienced the same thing that you are speaking of, but have always loosened the top of the grease gun to (hopefully/eventually) get the air out of it and the gun primed. I will have to try this out. It sounds like a "to good to be true" solution.



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JohnnyB

10-20-2002 11:27:26




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 Re: Re: Grease Gun Priming Solution in reply to Jim in UK, 10-20-2002 06:19:31  
I seldom have any trouble with a new cartridge. I have hired many hands that did not know the correct way to load a gun with a cartridge. That's one of the first lessons I teach em now. I laughed hysterically the first time I witnessed my 60 year old Father-in-Law try to load up a new cartridge. For those of you that don't know: 1.Pull back the rod and lock it back in the little key hole slot. 2. Unscrew the gun between the pump and body (not between the body and end cap) 3.Remove the old paper tube 4. Install the new cartridge 5. Remove aluminum tab 6.Screw the pump back on 6.Release locked rod and pump 7.Bleed using bleeder screw if needed (most don't need bleeding)

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Tom - K of P

06-20-2006 10:24:09




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 Re: Re: Re: Grease Gun Priming Solution in reply to JohnnyB, 10-20-2002 11:27:26  
One extra note of item 1:
1.Pull back the rod and lock it back in the little key hole slot

On my grease gun, I would still have problems screwing the pump end back on, because the spring is not compressed enough. I pull the spring back as far as I can, then lock it into a (fully)compressed spring with either a vise, or a vise-script( not allowing the rod to go back into the grease gun) before screwing on the pump end.

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Tom

10-20-2002 16:52:11




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 Re: Re: Re: Grease Gun Priming Solution in reply to JohnnyB, 10-20-2002 11:27:26  
Bleeding the air out by unscrewint the pump end is the method I use most of the time. You can also take off the hose or 1/8" pipe from the discharge and, on the return stroke of the pump, cover the outlet with a finger. This forms a vacume in the pump cylinder and aids in pulling the air/grease into it. Works best if there isn't too much air to remove. Maybe after unscrewing the end to bleed.



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Tooly

10-20-2002 23:48:17




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 Re: Re: Re: Re: Grease Gun Priming Solution in reply to Tom, 10-20-2002 16:52:11  
solved this problem for once and all!
I use bulk grease , but this should work for
cartridges too.
I removed the end and removed the plunger spring and
replaced the piston rod with a 5/16 thread rod,
next I welded a 5/16 nut to the end cap.
now i can force the piston against the grease
which aways forces any air thru - no more air locks ever!



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