Used an impact wrench and welded nut to remove seized hydraulic pin

[TractorDale]

The pin on the backhoe bucket was frozen to the point it had ripped a weld free from a 1/2" steel bracket. Would not budge with lots of heat, PB blast, sledge and drift. So welded a 1 1/8" nut on the end and using the impact wrench back and forth many times it broke free. Dewalt and the Harbor Freight impact socket got the job done.

 

[sixdogs]

The pin on the backhoe bucket was frozen to the point it had ripped a weld free from a 1/2" steel bracket. Would not budge with lots of heat, PB blast, sledge and drift. So welded a 1 1/8" nut on the end and using the impact wrench back and forth many times it broke free. Dewalt and the Harbor Freight impact socket got the job done.View attachment 868112

Good thinking.

 

[JohnP3616]

Nice! Good job thinking of that.

 

[5030]

If you had greased it in a timely manner, it would have come out no issue. Obviously you didn't.

 

[Coffee drinker]

Grease and it will not seize. Good thinking though. Repetitive vibration will loose anything. Even things we don't want loose.

 

[5030]

Never had a seized pin on any of my tractors or implements and I just replaced a standard bucket attachment setup with an ATI 2 pin quick detach on a buddies Kubota and he kept it greased and I removed all the pins no issue at all.

 

[caver]

I have two on my loader dump arms seized. When I bought the backhoe I didn't noticed the pins were seized and had wallowed out the outer hole. I actually noticed they were seized when I did the initial greasing on it after purchase. I may make one more attempt. I even tried heat on the outer while hitting the pin ends with upside down can of computer duster spray.

 

[Thomas]

 

[Sportsman762]

Good innovative thinking on using the impact to rattle it out. Keeps the paint looking good unlike a hot wrench.

If you had greased it in a timely manner, it would have come out no issue. Obviously you didn't.

It is easy to jump to a conclusion without all details. If OP has a 756C backhoe the ears of the bucket are not greasable. Not all pins on equipment is greasable. I know my Massey 32A loader has almost no grease fittings on it. After 46 years the pins come out easy as it is darned sloppy from wear. Massey royally screwed up with the design of the 32A loader with small wear areas and no grease fittings. The equivalent Fords had many more grease fittings and wide wear surfaces. Backhoes and loaders love grease! (sorry got off track)

I know that i was working on a Ford 655D and had a terrible time getting a pin out. The ears on the stabilizer were not greasable and the pin had seized up in the holes. It was terrible to get out and took hours to get out using a torch and a big sledge as I could not figure out how to get a puller on it. No amount of greasing would have cured the lack of grease fittings on the ears.

 

[dstig1]

Good thinking! The heat from welding plus the impact wrench can loosen a lot of things.

 

[nyone]

Until you need a propylene rosebud and a 1in air line supplying a 1in gun to turn the nut on the pin the operator hasn't greased you havent lived. I did many of these jobs on loaders loading salt in the early 2000s.

The torch was so loud you would need hearing protection to use it.

 

[5030]

Didn't take me long to ascertain the lack of grease once I saw a picture of the pin... You can easily see the gall marks on it.

If I had any fulcrum pins with no grease fittings, I'd be machining them for fittings, plain and simple. Either than or adding fittings to the outers which is a simple drill and tap operation. You will never find any exposed rotational assemblies on any of my tractors or implements with no lubrication fittings. Just don't happen here. I've never had to 'beat' out any pin in 35 years of farming. Not gonna happen here and grease is a lot cheaper anyway. Besides a galled pin robs power from the hydraulics because it has to overcome the interference fit to work and probably was making some noise as it protested to the galled situation. Kind of reminds me of people who don't maintain their equipment properly and don't wash them either. You will rarely find any of my equipment cruddy and I never wash my hay tools but they all get blown off when I'm done with them. I dislike crud as well as dry fittings. No excuse for that except complacency.