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F'ing grease guns....

Old 09-03-2020, 06:37 PM
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Default F'ing grease guns....

Friends...

Annually my Jones Bros 20 takes a trip from NH to .... somewhere stripers and albies are biting for Sept and October... I am doing finishing touches on trailer for the 150 mile drag from New Hampshire. Checking tires, lights, and greasing the $%&$# bearings.

What is the secret to using a freaking grease gun? The concept so simple... a pump that pumps grease through a fitting. I understand the pump part... but the grease cylinder...

I purchased and threw away three grease guns this week. Two small, one large. I load the grease. Get 2-6 pumps of grease, then nothing. It's obviously air lock of some sort.

The plunger is mysterious to me... I release plunger and it goes all the way in... when I am done with a cartridge 90% of grease is BEHIND the plunger.

I have spent 2 hours on youtube videos... and armed with all that knowledge, I still cant get grease into my bearings.

But I did learn... a torch on a zerk fitting does unclog it nicely. But I still cant get the grease out of the tube, through the pump, into my bearings.

WTF?????

BTW. I purchased a $120 grease gun today from amazon, its made in Germany by Air Tec Lube Shuttle. Its a grease gun with no plunger. It just siphons out the grease and uses 100% of the tube. Presently I cant get more than 10% of grease out of the freaking guns I buy.
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Old 09-03-2020, 06:53 PM
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Buying a good one. Lincoln and Allemite are the best manual guns out there in my experience.
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Old 09-03-2020, 07:03 PM
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Get a real one

https://fastoolnow.com/graco-225773-...enser-package/

The only hand one I have is vintage and you have to pack it by hand,no tubes.

Every one that uses tubes seems to have always been a problem
Old 09-03-2020, 07:04 PM
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Store grease tubes vertically before use, plastic cap up.

Pull the plunger back and lock it. Then unscrew the top. Unlock the plunger and eject the old tube. Pull the plunger back and lock it again. Pop the plastic cap off new tube, drop it in the gun, then pull the metal cap off. Screw the top on loosely. Release the plunger and push it all the way in. Pump grease in to trash can or rag as you tighten the top, and you're good to go.
Old 09-03-2020, 07:30 PM
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Originally Posted by STIPulation View Post
Store grease tubes vertically before use, plastic cap up.

Pull the plunger back and lock it. Then unscrew the top. Unlock the plunger and eject the old tube. Pull the plunger back and lock it again. Pop the plastic cap off new tube, drop it in the gun, then pull the metal cap off. Screw the top on loosely. Release the plunger and push it all the way in. Pump grease in to trash can or rag as you tighten the top, and you're good to go.

that is exactly what is not working for me.... I have spent two hours watching youtube videos on grease guns.. presently there are two grease guns in the woods near my house... both the distance I could fling the darn things... I do all... I release the plunger on the tube. The plunger goes all the way in. But I pump and pump with little grease. My latest grease gun from Home Depot has a bleed valve on top. The best I can do is get about 5-6 pumps of grease, then nothing. So I hold the bleed valve down and pump 20-30 times. Once I get grease I am good for 5-6 pump of grease, then back to zero grease, 20-30 pumps bleeding the grease gun, then 5-6 pumps again.

I have this silly expectation that I should drop a grease cartridge in, pump it up... grease my bearings, and go fishing..... reality is, I can barely get any grease out of now my third gun. So I know I am doing something wrong. Hopefully my $110 German made grease gun from Amazon solves the problem.
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Old 09-03-2020, 07:33 PM
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I have worn out many . There are a few basic things you need to do to help it run correctly .
1 The plunger rod . There is a locking point when the rod is fully out, you find it by rotating handle in either direction to find the stop. There is also the hold open lock on the rod .

2 Put tube in gun screw on head and unlock plunger so it can push up the grease pump . find the locking point in step 1 with plunger out. Push and pump at the same time to purge out the air . Pump about 5 or 6 strokes to make sure air is out .

3 Measuring volume of remaining grease . Draw plunger rod till you feel it touch the plunger . Do not pull back , this can un-prime head . Simply feel it and thats how much is remaining . If you leave the rod out you will see it move in with each stroke .

4 Reloading , avoid pumping when gun is empty . Un screw the pump end first step every time , Never pull plunger back first ! Once head is off plunger moves easy without sucking prime out of head . Put in new tube and purge as described in step 1 .

The battery guns are excellent and are dealt with the same way . I have had to push hard sometimes to get the plunger to start in a fresh tube . Hope this helps they can be a PITA .
Old 09-03-2020, 07:54 PM
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After loading a fresh tube in the gun and screwing the head tight, remove (unscrew) the pipe that feeds the grease into the nozzle. Pump the handle down. Cover the hole the grease/air comes out with your finger before you pull the handle back (out). Do this until you get solid grease from the gun, then put the pipe back on.
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Old 09-03-2020, 08:05 PM
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When you replace the cartridge, screw the lid about half way on and release the plunger. Start pumping. When it primes, then you can screw the lid on the rest of the way and won’t have anymore problems.


Sometimes you have to be smarter than what your working with🤪🤪
Old 09-03-2020, 08:07 PM
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here is my confusion. You push the follower handle/rod in after putting a new cartridge in. The follower rod goes ALL THE WAY IN. Obviously the plunger is not going all the way up, so the rod is separate from the plunger? Because I press it all the way in, get my 5-10 squirts of grease, then nothing. So I throw away a full cartridge and get another. There is something in the rod/plunger that escapes me.



Old 09-03-2020, 08:24 PM
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The plunger isn’t going all the way in.There is a metal rod with a spring. That spring pushes the flat plunger against the grease forcing it out. The rod and the plunger act independently. In other words, when you pull the rod out, it will catch the plunger and pull it back too. When you engage the plunger, the metal rod will go all the way through the grease cartridge, but the flat plunger stops at the grease near the back of the cartridge. Hope that makes sense.

The gun is locking up on you because of air. They typically have bleed screws near the nozzle that you need to loosen them pump the air out. Once grease starts coming through the bleed screw, you tighten it back down and it should work appropriately again.
Old 09-03-2020, 08:26 PM
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There is a spot where the rod will lock to the plunger , only in one area of rotation then you can push it in to purge any air while pumping . Leaving head loose is also helpful .
Old 09-03-2020, 08:30 PM
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Once I get my 5-6 pumps I can’t even get the damn gun off the fitting to start the whole priming process over again.....
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Old 09-03-2020, 08:34 PM
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Originally Posted by autobaun70 View Post
Buying a good one. Lincoln and Allemite are the best manual guns out there in my experience.
Even the Lincoln’s are junk now! Followed the directions to a T and still had issues that the OP has.
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Old 09-03-2020, 08:46 PM
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This guy understands my grease gun angst... I bought one of these today...

Old 09-03-2020, 08:47 PM
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Originally Posted by cfarmd View Post
Once I get my 5-6 pumps I can’t even get the damn gun off the fitting to start the whole priming process over again.....
TY- U understand my pain!😱
Old 09-03-2020, 08:53 PM
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Originally Posted by jerseygeorge1 View Post
here is my confusion. You push the follower handle/rod in after putting a new cartridge in. The follower rod goes ALL THE WAY IN. Obviously the plunger is not going all the way up, so the rod is separate from the plunger? Because I press it all the way in, get my 5-10 squirts of grease, then nothing. So I throw away a full cartridge and get another. There is something in the rod/plunger that escapes me.




Again. Unscrew the head half way after loading a cartridge and pump. This let’s the air bleed out. Also what kind of grease are you using.
Old 09-03-2020, 08:54 PM
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I hate those things too. They are haunted. I switched to torsion axles so I wouldn’t have to grease the bearings anymore.
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Old 09-03-2020, 08:54 PM
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Have 2 M18 guns. Easy peasy
Old 09-03-2020, 09:52 PM
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Is the end of the grease tube you removed the plastic cap from undamaged and even all the way around? I've had the cardboard end of a tube of grease catch on the plunger piston such that the piston wouldn't go into the tube. If this happens the grease tube may not fit all the way into the gun. The metal cap on the tube, where the pull ring is, may not be flush with the grease gun tube. If you remove the tube from the grease gun at that point you should be able to see that the cardboard end is not a smooth circle all the way around, and it can be corrected.
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Old 09-04-2020, 02:55 AM
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As a farmer I changed tubes hundreds of times. When your gun gets empty or is new unscrew the tube. Pull the plunger rod all the way out and lock it in the slot. Pull out empty cartage and dispose of. Take new cartage and remove bottom cap then place it in tube. Pull tab off exposed end and thread on pump. Tighten half way and then release plunger rod. The rod can be pushed through the plunger back into the tube. Over a trash container start pumping until the handle feels firm and a steady stream of grease comes out with each stroke. The first few strokes will push out grease and air. Make sure all the air is expelled otherwise it will lock the pump when you are trying to grease a fitting. Tighten the tube all the way.

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