battery grease gun trouble any thoughts

JOCCO

Well-known Member
Milwaukee 12 volt like it a lot. Was working fine ran out of grease new tubes seem to not work tried several. Acts like the plunger and handle is not working. The pump piston in front seemed to work. Any thoughts guess will take it to the repair dealer at some point
 
They have a good warrantee but every so often I get a tube that is harder to bleed the air out of. If the bleeder button doesn't work you can unscrew the grease tube a few turns and that helps.
 
I have one air gun that is a pain that way. Every time I replace the tube I unscrew the discharge hose and pump it a few times. It will prime right away. If I don't do that I could be stuck fiddling with it all day.
 
If it's like a manual gun, just take the hose off, lightly hold your finger over the hole, let your finger be the check valve and pump until solid grease comes out, replace the hose. I never bother to tighten the hose, that way I can take it of if it gets another air pocket in the piston.
 
After you put your replacement cartridge into the tube, screw the tube back onto the head only about half way, then push the rod back in and pump the handle or push the button a few times before tightening the rest of the way.
In forty years I've never had a gun not self-prime this way. Also works to loosen the tube should you hit an air pocket later on for some reason.
Not so common anymore with the cartridge tubes but in the old days I remember my Grandpa filling grease guns by hand with a 5 gallon pail of grease and a putty knife. There were occasional moments of frustration with air pockets then. But he had more patience then most. Had to to roll his own smokes.🚬
 
When I had trouble with mine I gave it a good look over and found it works much better if you remove BOTH caps.

Rick
 

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