Caterpillar 931B Backhoe cylinder repair. 

Super video production/discussion/demonstration/build…thanks for sharing and great tool build/discussion

Appreciate the never seize for the next guy.

I remember those vintage of Proto tools. I like using silicon grease on the backside of the seals

ALways nice to see you've posted something Gary. Loved the backhoe assist for loosening that cylinder top.

It's just a little tight when you have to break out the backhoe. Nice implementation of that seal tool. I'm sure I'll make one next time I do a cylinder.

Great video. I learned quite a bit. I use the ant-seize stuff all the time. Funny thing is that my Dominatrix uses the same lube. I can attest that nothing seizes and I've never had to visit the ER! OK, just kidding.

Absolutely wonderful Gary, thanks for sharing. I use to rebuild tipping trailer rams years ago, always very rewarding Big love to you and yours

And we appreciate you. Great demostration of cylinder teardown and refurbish. Have done a few pneumatic cylinders in days past that were rusted up like yours. Thanks for the look.

Are you also making a video of restoring the valve assembly ??I hope. Haven´t worked on hydraulic yet but it is coming my way soon. Thanx for sharing. Very nice channel

very Nice implementation of that seal tool Gary, thanks Mate.

Hi Gary . Nice job . I always use blunt screw drivers to get the seals in as well , never had an issue . Cat wiper seals you have to use emery paper to polish off the protective film before the locite . Cheers .

Great stuff Gary we really enjoy watching your videos thanks for taking the time to make them

That was a rough job. I think those seals were a bit close to done.

I have rebuilt my share of hydraulic rods and I enjoyed your video thanks Gary

Gary, you have a way of making the nastiest job look easy . Here I thought I was getting close to the record for "cheaters" ..... now I realize I wasn't even close ! As usual, your videos are both spellbinding and entertaining . Anyone who's missing out on your channel is doing themselves a disservice . Keep 'em coming, Gary !

Aluminum pipe wrenches are too good, especially when you are fooling with 48 's . Cheers!

I wish I was dating your daughter, I would be helping you every day! You have a good hand there.

I have a old backhoe and got a cylinder repair a few months ago. It cost me $800.00 to get it rebuilt. If I can find new seals next time I will try to do it myself. glad I seen your video

Special tools, are usually time savers, but home made tools are always money savers!

If force don't work you need a bigger tractor.

Hercules hydraulic seals Florida has all seals packing orings parts made in USA. By size or machine Getting cylinders off machine and apart is the issue . Pins and heads seized up. Oy vey!!! I had to cut some apart reweld . Especially in salt areas PS : CAT service recommended JB weld for rust pits on seal surfaces even on chrome rods . They sell a product actually for that. I put new seals in hot water to make them pliable to install. On JCB backhoe there are hidden retaining pins under piston head wear ring band. You will never get nut off rod unless pins are removed Also never use Chinese orings . Get quality rings from reputable source. Don't ask why I say this..lol

Nicely done! 3:08 that is a very nice way to say "Quit yer b|tchin, I actually know what I'm doing." 6:36 AND long sleeves and pants, unless you LIKE picking wire strands out of your legs and arms... (learnt from experience)

Thank you. glad that you are doing good.

Nice repair and build of the tool. I recently resealed a couple of cylinders on my Case wheel loader (similar, yet slightly different system than Cat); it's about time to do a couple more.

Cool video sir realy enjoyed watching it have done a few cylinders myself love doing them and you have some nice tools there i myself got s bunch of big wrenches and 1" socket sets for the big nuts and bolts

Great video thanks a lot

Well hell. If I knew you did cylinders too I would have had you do my fork lift cylinders. :)

Thanks for the video.

Woohoo...a new old iron machine works video! 👍 P.S. That’s not just “in the tight class”...that’s holy sh*t tight when it takes a backhoe boom pushing down on a 5 ft long cheater bar to break that cap loose. I’d say the rust holding that cylinder cap on was stronger than some of my welds. Lol

Thanks for sharing 👍

Nice job. Goodentight.

No matter what you are working on it seems that I am always picking up some good tips. It would be great to see you work on the hydraulic valve assembly.

Hello Gary, I made my hydraulic seal tooling myself to, we are machinist. Great to here from ya, great video, keep'um coming.

Good job.

Was that a cape chisel or a half round chisel you were using to collapse the dust seal? Thanks for the video!

Now how to design a parts washer and blast cabinet to be built in on a service truck. Or build a pallet loading version with the wash tank on the bottom and the sand blast cabinet on top.

Did you prime and paint the parts that you cleaned?

You got me beat on cheaters. You might have the world record there. I have done a few of those. Need to do my stabilizes on the backhoe. I hope you do a video on the valves. Good one Gary

No made in china pipe wrench can do that!! Good old USA tools right there. Great job Gary.

I have to make one too, very nice.

Nice work Gary

Great job mate

That seal insertion tool is genius. I enjoyed watching you do the work. Hope I never have to do it myself!

Awesome video Mr. Gary. I always enjoy watching you do your thing. Always a learning experience. I worked in the oilfield back in the 70's and we had a huge Climax pump that had 2.5 inch rods and 8 inch pistons. Not nearly as complicated as these cylinders but the same principle. We had to get some big cheaters most of the time also. We had a 60 inch pipe wrench and would use the boom line from the rig to pull on the cheater.