SNS 216 Part 2: Hydraulic Cylinder Tear Down
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- เผยแพร่เมื่อ 11 พ.ค. 2018
- We have three more hydraulic cylinders in the shop that need to be town down and measured for new seals. In this video we'll take them apart, measure all of the grooves, then identify which seals we need in the Hercules hydraulic book.
I used for the for the first time my new seal twister installation tools by Kit King USA. Here's a link if your interested in a set for yourself.
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I found this channel looking for hydraulic seal info. After getting some great information I started to watch the cylinder rebuild series. Then I looked at the other vids on the channel. When someone goes beyond expert they become an artist. You sir would be doing the work for Kings if we had them. I will never have the ability or tools to do what you do. I will remain happy being just above a hack in my abilities and enjoy watching your work. Thank you.
What I thoroughly enjoy is watching Adam move seamlessly between real world measurements in decimal and inch fractions, open a catalog and walk us through the process of picking out the replacement part number. Adam carries all of this in his head. He makes it look easy. It is not.
Well said! Hydraulic repair ain't easy.
Thanks for showing this!
I have a gland to repair and wasn't sure how to disassemble and measure everything to get the replacement seals.
This was very helpful.👍
The way the ratchet's handle is bent.... LOL
I bought a box Too! Those gloves work Fantastic.... Thanks Adam for the Tip
thanks again adam I learned a lot about cylinders today and I'm currently trying to rebuild an obsolete transmission jack and this info should really help me get the right parts the first time. thanks again awesome video
Hi Adam,
We always enjoy Adam.
Just keep them coming and thank you for sharing.
Cheers,
Craig
Its been a while since I had time to enjoy your work Adam. As usual this was great work. Interesting and useful Play by Play and good photography. Thanks so much
Looks like that ratchet has been subjected to some Abom torque in the past.
Adam, I appreciate you doing this video. With your permission I will use this as an in service tutorial for our elevator mechanics. Thanks!
Sure thing.
Thank u so much u are a good teacher the guys I work with are so fast they don’t even need to write any measurements down 🤯I’m so new to finding seals
Great video as usual Cousin. Passing along your knowledge to others. Keep up the good work.
Thanks Cuz, good to see you around!
Wish I had seen this before I had to take apart my Kubota lift cylinders. Good video, thanks Adam.
@2:14 Release the schmoo! Great work Adam, Love the videos. I learn something new almost every video I watch.
Great explanation of seal measurement. Learned a couple things ,thanks .
I use to rebuild a lot of header lift cylinders for Gleaner combines. To take them apart you took the 90° elbow off of the base end, and there was a round snap ring inside the cylinder on the end of the piston that you would work off with a small flathead screwdriver. Getting them off was easy. It took a little practice putting them back together, but once you did it a few times it was pretty easy.
excellent video man ! thanks for taking the time to post.
Thank you for breaking this down so in-depth! Gives me a lot of confidence to do it myself; and an excuse to buy new tools! I don't have any of those gauges/micrometers.
Love this kinda stuff. Keep up the great work man.
Thank you Adam for the information on identifying the seals. Matt C
mattcurry29 bridrs disi,s
Adam, Awesome video, thanks for sharing your knowledge and expertise, sure are a lot of parts to a cylinder.!.!.!.
Maybe Fernando would want to make that parts list into a more permanent version and keep it together with the machine in its "book" - save you some time next time
Thanks for taking us through your steps on rebuilding. Although I have taken apart a few cylinders, it's hard to recall the process when it was over 40 years ago! I have a leaking cylinder on my dump trailer that I'm going to have to address before too much longer. Might have a question or two when the time comes. Hope is okay to bug you..
Thanks for sharing Adam!
Razor!
That oil looked proper manky Adam. Possibly as much as 85% of hydraulic faults are due to contamination. This degrades seals and all other parts of the system. The most overlooked,yet the cheapest part to change is the filters and oil.
Your correct there. I've already suggested he change the oil and filters and he said he is going to.
Release the Schmoooo!!!! LOL Adam, videos like this from you are giving me the confidence to rebuild a couple leaky cylinders on my skid steer this summer. Don't be surprised if you get a panic email on patreon when I can't get it back together lol
Adam, Very instructing a lot of knowledge there.!.!.!.
Wish I had a dollar for every hydraulic cylinder I've had apart. I'll be contacting Hercules Fluid Power, that's a pretty handy seal catalog you have there. Thanks Adam!
Like how you got right to work : ) Nice job!
I really like the Hercules groove caliper set because they have 4 different pin lengths to handle different diameter/recess combinations well.
Learned a lot from this Adam. Nice work Bro -
Thanks Mark.
Pig mats, very useful item. Learned something new this morning. Never seen the inside of a hydraulic cylinder. I was surprised the book wasn't oily to start with. LOL - Interesting video. It went great with morning coffee!
When you watch a video about hydraulic cylinders and drink coffee, you must make sure that's coffee and not hydraulic oil in your mug. :D :D
Interesting video. You clearly know your subject.
Great job my friend thank you for sharing your knowledge your videos are very helpful
You sure Know your stuff Adam .. I would be sure to take it to you man !!
The nice thing about replacing damaged seals is you don't have to worry about damaging them as you take them out.
Excellent tutorial, Adam! Please keep CRC Distribution in mind for hydraulic seals. We use the same part numbers as Hercules.
I just done that on a john deere 210c on the dipper cylinder this week . Rod seal was just falling apart .Bought seals for whole tractor.Two down and nine to go.Someday
04:32 __ "Deterioration. Probably age-related failure." Now that's hitting way too close to home! ;o))
thank you Adam!!!
I really like your arched ratchet must work good around corners lol.
The shop I work at has those pressure cans also and we use wd-40 in them also and they work great for that.
I use my garage as a mini workshop so stains on the floor do happen. Once i put down the epoxy paint, no more stains. Nothing so far has stained the floor. You might want to look into it.
good stuff love the look through the seal catalog the details of the repair is the interesting part. you'll be feeling the chill of ac again soon and you'll apriciate it more good to see things are going well adam saw the space flight center loved it von braun wrote a book or his filling cab was condensed down into a book edited by three people james Ordway was one of them it has every rocket from Chinese bottle rockets to the Saturn system thick book reeeeal good
I have no idea who those three guys are who gave you a thumbs down. I bet they don't even like ice cream. I enjoy the details in the steps you take to get a job done and done right. As my moniker says, "Doright Al", I like to see a job done right. (The "Al" is for Alabama, State and Team. Sorry Abby.)
Gotta love them aluminum glands on a steel cylinder...
Hercules seal Florida has all you need.
I do this for a living I can tell what the seals are without even looking in the book. I got that hurclus book down to a T, lot of year doing it. Steven from hydraulic depot in Salisbury nc. But love watching your videos, maybe you should have been a teacher.
I'm just now getting in the trade..and I'm not understanding nor getting all the different names of wipers seals etc or how to measure or find in the book
Enjoyed Adam!
ATB, Robin
Almost miss doing that......almost. do miss the guys though. Howdy do from OKC.
Thnx Adam👍
I take it that book also details what fish each seal loves to eat the most to?? Whatta thing LoL
And what size club is best used on the babies...
Always use the bucket. Or you might find your shoes are now well oiled! 😊
That big 'ol ratchet has seen some heavy torque. Looks like it bent tightening.
From the look of the oil that came out of that first cylinder, it might be time to change the hydraulic oil and filter along with a system flush.
Very few of us have calipers like that!!
Could you stamp the cap with the measurements for easy look up next time?
The technical term for that pipe is "torque amplifier" :-)
Adam Is Fernando going to get you to repair that big ding in the larger seal nut ? I keep thinking you'd hate to see it go back on the tractor, after being through your shop, without it being made good. Thanks for Part 1 - looking forward to Part 2. Best regards from Australia.
Whenever I am dealing with stiff Teflon seals, I microwave some water and let the seals soak in it before installing. Makes them nice and plyable, easier to install
That technique is sometimes called out in the maintenance manual procedures for for repacking (replacing seals in) aircraft landing gear shock struts. The seal carriers in some struts have additional, deeper grooves that are loaded during assembly with a spare set of seals and backup rings. If a strut starts leaking in service, the part of the airplane supported by that strut is jacked up enough to allow the gland nut on the bottom of the strut to be unscrewed and the seal carrier dropped down. The old seals and rings are removed, the spare set moved from the storage grooves into the active grooves, and the carrier and gland nut reassembled. This is quicker than partially retracting the strut in order to remove the lower cylinder and axle assembly completely and repacking it. Unfortunately, the spare seal set has sometimes aged enough to fail prematurely after being moved into the active position, so some airlines choose to do a full repack anytime the strut leaks, and never use the spare seals.
I talk about this in the next video. An old hydraulic guy that passed away when I was in my teens had an oil vat that stayed warm. he would toss the seals in that oil tank for a while before he built the cylinder to get them nice and soft. I have yet to try that but want to.
You could put a small jar of oil in a pan filled with hot water. A quick and easy way to heat, but not overheat the oil.
Clay based cat litter will soak up the oil spill from the concrete. This material was used in machine shops years before it was used as cat litter. Modern crystaline cat litter does not soak up oil but is a good dessicant
Sawdust works pretty good too.....machine shops used to actually go to the wood-mills for it....
I hate that clay absorbent. Itscmakes a mess and kicks up dust. Oil absorbent mats are where it’s at these days.
Another disadvantage to the clay oil absorbents in a shop is that people are always quick to throw it down but no one seem to like to sweep it up again.
I use to use cat litter back in the day. Too much dust and no one likes to clean it up. I now use mats and since I have a industrial centrifuge I wring then out and reuse them. Old washing machines on the spin cycle also work well for spining the oil out.
Also, and this is a biggie here in California, when the inspectors come around and see the mats and how I recover the oil and reuse the mats they are happy. Throwing oily mats in the trash is a BIG no-no!
We have rules or laws here in Florida that specifies when you can or can't throw oily waste in the trash. They say you need to put oily waste like those mats or rags in a heavy duty trash bag, then throw in the can. If it's in abondance your supposed to dispose of all of the oily waste through collections areas, like at the land fill.
Looks like someone tried to remove the fitting with a "Non-standard" spanner wrench.
Nice!!
Hate it when the glans goes bad!
Man, that's where all the easy opening hydraulic cylinders are. I've "never" gotten one of those open without it giving me trouble. Usually worked with bigger stuff, but still I do not like those face wrench style seal nuts.
I like those hydraulic cylinders.They come apart easy ! All i ever work on never that easy to break apart. Lucky i say.
fls360 I used to be a cylinder mechanic myself. And I agree the ones he shows come apart nicely, there sure are some frustrating ones out there.
I’ve had my share of stubborn cylinders, and still see them often. I’d rather be Machining then tearing down hydraulics.
I am a forklift mechanic by trade and i do a lot cylinders in the field. I'd rather work on other things than having to pull cylinders and reseal 'em.
Yeah...forklifts...usually filthy, abused and worn out....some of the worst cylinders I've dealt with are the type with the 'square' wire retainer you have to feed through a small hole in the end of the cylinders....
Then there are the tie-rod cylinders...fairly easy...
Hey Doug, sometimes those cylinders will not spin apart. We’ve had some we had to cut apart, like the gland, retainer, and tube welded itself together.
If you were building your own cylinders, what would you choose for seals?
Any thoughts of putting on some epoxy on the concrete?
....20:00......looks like someone in the past did some hammer and chisel assembly.....? I found plenty of that when I bought a 1946 Harley.....used and abused, of course....bought it in 1977, already was 1/2 past dead.
Keep up the videos like just you've been doing, the majority of us really enjoy the attention to detail, and look forward to your Videos...!
Damaged during use.
Thank you so much. I had no idea how to do any of this. Is there any reference where seal kits are broken down so we can find an individual seal. For example, a Kubota 75545-63600 seal kit?
Curious if you could look up the make and model of the tractor and just buy a cylinder rebuild kit?
That might work if the dimensions of the cylinder hasn't been adjusted. He did mention another piston rebuild where a seal groove was resized because a proper sized seal coun't be found. So he could have checked the seal / o-ring sizes with a rebuilt kit and ensure the kit has the right size, but that's relying on who knows what supplier of the kit. He trusts the mfg of the book being used and feels confident rebuilding with those parts...the rebuild is his personal reputation and being the quality person he is, wouldn't trust it to any 'ol parts supplier.
Adam check out equipment hub here on TH-cam they have alsorts of machines saws you name it they show them running and you call to buy its cool esp when the things are large and top quality.
Just add 30 milimeters. *measures in imperial* :D
Hey Adam, great video. I was wondering if those Shars calipers are any good. I've come across them a few times but I'm just not sure if they're reliable enough to spend money on. My work place is pretty particular on what brands of tools they will pass for calibration. Thanks for any feed back.
I’ve been using them for over a year now with no problems. I did have one incident where the batteries failed twice so they sent me another one in exchange for the one that failed. Turned out to be bad batteries. I’ve had mine certified at work, and you can even buy them with a calibration and certificate. I’d suggest buy some and try them out. They have a good feel and work great.
Thank you sir, I'll give them a shot. I build submarines for a living so the navy is pretty strict on what they except. Thanks for the feedback its much appreciated.
Good thing they didn't hammer one of the holes. Probably thought they could tighten to stop leaking.
Thats a nice bend in that 1/2' ratchet haha.
Yeah...I was going to comment on the 'assembly torque'.......I'm surprised the tiny ratchet mechanism could take that.....
3/4” drive
looks like a 3/4. wonder whats the story behind that little accident
Big gouge on that rod flange but it doesn't look like it damaged the seals but maybe the treads on the tube ? Maybe not a big hit but several smaller ones.
That damage in the face did nothing to the cylinder.
Thanks very much for the reply. I greatly respect the years of experience you have done with heavy equipment repairs and you have the cylinder in front of you as I just see it through your video so you would be more qualified to identify problems. Hydraulic cylinders carry great weights that could be dangerous to people working in the area around the piece of equipment.
have you ever used Zatkoff and Sons for seals? they stock metric seals and some of the less common sizes. do you ever modify pistons or nuts to install phenolic bearings as an upgrade particularly I trunion mounted cylinders where the forces aren't always linear? Also have had to drill and tap the gland nuts/heads so you could bolt on an Abom size spanner>
paul iossi We also use CRC, and Alligany York. Yes sometimes we modify the pistons and glands and install wear bands.
Haha that ratchet has seen some Abom torque! Is that 3/4 drive ?? Even with a snipe ........
Yea it’s 3/4” drive. I remember Dad and I bending it but don’t recall what the job was. I just know we were trying to get something to move!
Dose Hercules have a store front or do you order them online. We order from them at least 3 times a week! Can't beat there service! Do you prefer the ptfe over like a1500 urethane piston seal?
I order them through work, Motion Industries. We’re a distributer for them. My favorite piston seals are the PS2700 series. Those snap in like a urethane seal.
Excellent video!! I was about rebuild my ford 3000 loader cylinders ... this will come in handy!! Do you think hercules seals would be superior to say Ford seals (if i can even get those Ford seals)?? Liked !! Subbed!
Yes the Hercules seals are high quality. I would assume Ford sources third parts from the same type of sources.
Does the maker of the cylinders not offer a rebuild kit?
There' so many parts that are only marked by stickers or paint, which don't last long. After a few coats of rust converter paint over what's left of the original, hard to say who made it.
Wiem że to już stary film ale czy możesz mi podać co to za książka z której korzystasz ? Nieźle zredagowana.
Y do de rached ben wen it turn?
Regarding catching the oil from that hydraulic cylinder, a friend used a drip pan on his engine stand that hung off a collar on the vertical bar and caught oil drips and dropped parts. One of those would work great on that deadman you use to support the horizontal cylinder. You could run a drain hose right into your oil bucket if needed. I’ve heard those ptfe rings go in better if soaked in boiling water, but I haven’t done one since I read about it. Hmmm might have been a different or modified material, you wouldn’t think teflon would be heat sensitive.
I think one of the large shallow drip pans for car oil changes would work good too, with it lined with the pig mat.
Do you check the Hydro rod if its bent Adam? :) Cheers, Troy
I visually inspected it yes.
I'm surprised to learn that these replacement parts are still printed into 'telephone books'.
Seems like they'd be a perfect candidate for being able to lookup thru a database online.
You can source them online too. I prefer a book, especially in a shop environment.
One would think so. I've found when it comes to hydraulic seals, and fittings very few companies implement a very good lookup. In addition those online tools tend to point you towards a single seal or fitting. The books give you the advantage of seeing adjacent sizes which is helpful when you are having doubts about your measurements or the measurements are provided by somebody else. Most of the suppliers use the catalogs too. Only time they go to the computer is to check inventory.
I agree, books have there advantage. Unless you use it, you don’t understand. Easy to flip through those pages then navigating a website.
All sounds well and good
But many companys have attempted to put this stuff online
And many companys have failed
Iv never used one that works well
Always slow and laggy
And you can't just skip 300 pages online
Gotta navigate back though the menus
Books ftw
RELEASE THE SCHMOOOO!
MicrophonicFool 😂
Was that a DAMNIT I just heard at 5:52?
The description says "town down".
‘Damn it’.
Ladies and gents, that’s the closest you’re going to come to profanity/crudeness on this channel. If you’re thinking about letting your kids learn here, go ahead. It’s a good place.
Y’all caught me
Abom79 I think we can stand the odd one here and there. When I think about the language used at my workplace...this place is a chapel in comparison.
What is that grey roll you used. Looks like thick paper towel
I know what it is, it's called Pig Mat, also used in auto shops to absorb oil spills. Just Google it up, they make it to soak up specific stuff depending on application as far as I know.
Kenneth James thanks! Found it!
You're going to love that stuff... the gray type is great, but white has its uses as well. I'm never going back to any other method of spill pickup, they have a customer for life.
Thanks for the name Kenneth! helps me out as well. About the "paper towels" these are made of Polypropylene, that is because it absorbs oils very well. I can't recall who but a well known youtuber talked about it in a video but he showed the difference (paper towel on water (absorbsvery well), paper towel on oil (somewhat absorbs but not really), PP on water (does not absorb) and PP on oil (absorbs very well). Maybe AVE, or Applied Science.
The company name is called PIG Industries. We call it Pig Mat. I use the grey heavy duty mats, those are for water and oil. The white mats are oil only. So much cleaner then clay absorbent.
@19:25 That'll be about tree fiddy.
Hey Adam, I was going through my great grandads toolbox and found a gem you might like. It's a 5/8 X 4-1/8 Simonds Molva T series tool blank. After 4 generations I'm shocked it's never been ground into! This one just got away some how. If you're interested let me know, I'll send it your way.
Drop Adam an email, the address is in the about section of this channel.
Adam; what’s with that huge crack across the new shop floor?
Didn't listen to the contractor and skimped on rebar ;)
Back when I poured that slab, I never thought it would be a shop floor. It was just a cheap slab to park my boat on.
Hey Adam, I dont typically comment. But I've been watching your videos for sometime now. I was a hydraulic cylinder mechanic for a about a year and change and I am currently working in our machining department within the same company. And I've been enjoying seeing you take these apart. Of course, with anything there are similarities between us and differences too, in the process of taking them apart and putting them together. All in all though, awesome videos, thank you for posting. And one last thing, I am recently recovering from an eye injury from my shop where I was working on cast iron for a client and a chip cut my eye when on the lathe. I'm looking into better safety glasses. Any recommendations for me?
Adam did a video not too long ago about what his PPE gear is. go look for his "Shop Talk 24" video.
I prefer the Smith & Wesson 3G glasses myself. They fit my face well, cover a wide area, and hook behind the ears.
c6quad3 Will do, thank you very much.
Abom79 I'll be sure to take a look at those. Thank you very much.
You know things are bad when Abom needs a cheater pipe!
LOL was I the only one expecting Adam to say "release the shmoo" when the gland came out?
I'm pretty sure he has the t-shirt as well, double miss :P
Adam check out this TH-cam channel by the name of ( homesteadonomics ) and check out his portable welding cable build He has a two part series on this, just thought you might be interested.
Is that deep gouge in the outside face of the gland a severe pecker mark, or did that poor cylinder get used for target practice? Looks almost like a bullet strike.
I’m sure that was battle damage from use.
Looks like a hammer and cape chisel was used for tightening that gland into the cylinder....
I was 'The Welder' in a machine shop that did a LOT of cylinders....plenty of that damage caused by failure to buy a $25 adjustable pin-spanner...or in too much of a hurry to just make one...
release the schmoo!
G Andersson good enough for the girls i go out with!
Those glands got stookum.