It's STUCK! Can We Get This BIG Cylinder Apart!? | Hitachi ZX470 Cylinder Rebuild | Part 1

This big cylinder rod is stuck and it definitely puts up a fight! This video is Part 1 of rebuilding a stick (dipper arm) cylinder off a Hitachi ZX470 excavator. This cylinder needs rebuilding so we can put it into our exchange fleet but the customer couldn't get it disassembled and the rod is stuck in the barrel. So we use a few different methods including the hydraulic press, the forklift, the big Stillson pipe wrench and even a shipping container to try and get this stuck rod out and the cylinder disassembled!
WATCH NEXT Part 2 - Making the new barrel: • Making the NEW Cylinde...
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Our channel is all about showing you real life machining work from our workshop on the Gold Coast Australia. We specialize in manual machining, hydraulic repairs and heavy fabrication for the earth moving, mining and civil construction industries. So if you're a machinist that wants to see some big gear in action be sure to subscribe to our channel right now. We upload new videos every week that show lathe machining, milling, welding and all the good stuff that comes from a machining workshop. If that sounds like something that you would enjoy seeing, then make sure to join us by subscribing!
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[@CuttingEdgeEngineering]

Hope you guys enjoyed this Part 1 video! For those wondering, our mate has a cylinder disassembly bench with a nutbuster used to crack the nut and YES we have plans to get something like that setup in our workshop! 😁👍 WATCH NEXT Part 2 - Making the New Barrel: kzbin.info/www/bejne/n5i4goyOrsSjjqc Subscribe and hit the bell icon to turn on notifications so you don't miss our weekly uploads. 👇 🤳 📲Follow us online here: linktr.ee/CEEAUS 🛍Official CEE Merch shop: www.ceeshop.com.au 🎉Get Early Access & Ad Free videos in our Patreon community: www.patreon.com/cuttingedgeengineering

[@Murphyslawfarm]

😂😂😂 Kurtis mate busted his nut 😂😂😂. Yes I am 3 😂

[@importanttingwei7747]

Every week. Been waiting for 7 days

[@64Pete]

Have a crackin' weekend guys!

[@randytravis3998]

I will get in trouble for this one what kind of polish did you use on the rod ?? LOL.. almost fell out of my chair for the bloopers .great video

[@aarondavies8486]

Another great video kaz thanks you so much

[@sundaydriver4496]

As a guy that knows little of machinery and nothing of machining I appreciate that you not only show us your exceptional work but explain where the parts go what they do and how they work. The camera work is great as well focused exactly on the matter at hand and the curious details... thank you Curtis and Karen

[@Torta--is--PLUR]

Kurtis*

[@roberthocking9138]

I agree, as a retired castrol rep, I couldn’t tell you how important regular oil sampling is to any fleet, not just a random sample every now and then, a regular oil test every service will save any fleet 10s of thousands of $. Keep up the good work

[@CuttingEdgeEngineering]

cheers mate!

[@SeanBZA]

Military aircraft had a 100 flight hour oil sample, and the GSU equipment also had a sample taken every time any aircraft was done, as the GSU can supply hydraulic oil pressure for ground test. Any non normal result and all aircraft there got a hydraulic oil change, and the GSU as well, flush out the system twice with new oil, and change every filter as well, sent off for analysis in addition. You did not get many hydraulic issues with that method, and this is needed as that oil is used to keep the engine cool and lubricated as well, and a single failed bearing can result in airframe loss.

[@covrtdesign5279]

As an ex F-16 crew chief, we sampled oil after every flight, even if they flew for 10 minutes. Obviously different machines and circumstances, but I am still blown away that companies in this industry just destroy their equipment instead of have a down hour just to take samples, grease and lube, and a quick wipe down. I know time is money, but so is downtime and complete barrel rebuilds.

[@PurpleNovember]

I spent years as a heavy equipment tech and did fleet maintenance. I could easily tell who did sampling and who had a good tire guy. I have seen a few cylinders like this on machines that had regular oil samples taken. It’s not common but it does happen. Far more times contamination shows up in the samples and proper action is taken. Hopefully the rest of this machine’s hydraulic system is cleaned out correctly. When I was working on this stuff it was around 50k to go through the hydraulic system on a 30 ton excavator and the bigger ones could easily be over a grand. Most customers would just have peanuts(small pigs for hydraulic lines) blown through the lines. Then do a couple 10 hour filter swaps of bypass filters and hope for the best. The other thing they would do is send it through Ritchie Brothers and let someone else have the headache.

[@typrus6377]

​@covrtdesign5279 Have a customer I'm dealing with now who currently has 6 machines on their lot with over 20k USD in parts needed EACH simply because the operators were pencil-whipping their walk-around. No grease on the undercarriage suspension on 5 blew out components rated for 12k hours at under 2500 hours, and 1 machine they ran out of oil because of a very slow drip. 2000 hours and it needs an engine. Amazing what just a few minutes a day can prevent. Let alone regular sampling intervals.

[@frankwang5014]

Curtis is told the piston is seized inside the cylinder and won't come apart. Curtis thinks to himself "I'll buy it and show these amateurs how it's done".

[@bg3160]

Considering the piston was completely trashed, thank you for taking the time to remove the rings and show us the extent of the damage. That took time you could have spent building the new piston, so greatly appreciate the explanations and visuals. Looking forward to next week and the new piston, barrel and reassembly I'll bet you never thought there'd be a viewership like all of us "Wanna Be" machinists. Thanks for the patience and explanations. Oh, and thank you for the person behind the camera (Karen!) Wonderful work with the edits and keeping the flow going.

[@pcb1962]

I think he had to strip it so he can measure it up for the new build, I doubt that Hitachi will provide the drawings.

[@calebb5106]

i pulled the trigger on buying a lathe cause of Kurtis, I've been thinking about getting one for a few years now, but i finally got one while doing some car repairs and found out that imma need some custom made stuff and figured "welp, new tool time, and this time i have a reason!"

[@maxsnts]

I also use the "need to" excuse for new buys 😀@@calebb5106

[@Sgt_Bill_T_Co]

As a retired engineer, it's great to see this young gentleman taking so much care over his work, a true master craftsman! and first class video production,

[@irrobert1971]

I agree. A joy to watch!

[@josephking6515]

He's bloody good eh and so is Karen on the Kamera! 😁👍

[@salvatoreirato2273]

Even Homeless make everytime a wonderful job. Not to be forgotten.

[@Littlemosslad]

Kurtis has an uncanny ability to find the centre of gravity of nearly anything he lifts with the crane. Amazing.. I love watching your work guys, keep it up!🎉🎉

[@amahana6188]

I thought the same thing.

[@Watchyn_Yarwood]

I noticed that long ago and it is truly amazing!

[@laurilink7512]

All these things that are lifted already know that there is no point to bulge against. Or what I believe more, all these lifting ropes are well trained.

[@tlum4081]

I have to agree, Curtis is a master of judging the CG of a long object (unless the video is edited numerous times)

[@jordanpilati8562]

As someone who works with gantry cranes all day, there are always multiple attempts to lift something. Adjusting the straps just a half inch will throw off the balance.

[@zierlyn]

I've never gotten so much enjoyment out of watching a man polish his rod. KZbin algorithm brought me here. Hope you go viral! 🎉

[@aarongrabowski3775]

This comment is very sus!!!

[@Izawwlgood]

I love how methodical and thoroughly you do everything. You aren't cutting corners, you aren't rushed, you just have an extreme and steady attention to detail. It's definitely interesting to watch your work flow. Also, when separating the piston from the cylinder, you said "now we're going to attach it to something really heavy", totally missed opportunity to cut to Homey playing tug of war with a strap tied to the piston head. Great stuff as usual!

[@joeduffy3309]

Working for yourself is a huge advantage, not having a foreman on your back all day asking "Is that job nearly finished" is a blessing. I've walked out of so many jobs because of that I've lost count, some jobs just can't be rushed. If a customer tells me they are in a hurry, (Unless it's an emergency job) I point out to the yard to all the other work ahead of them and I suggest they go elsewhere, then all of a sudden they're not in such a hurry,

[@jwv6985]

I am always impressed with Curtis's skill and determination and Karen's expertise behind the camera. Great job to both of you! 😊

[@CuttingEdgeEngineering]

Thanks so much!

[@josephking6515]

Yep, *Kurtis* is the Konsumate professional. Kasabot?

[@Watchyn_Yarwood]

And just when you think Karen couldn't possibly outdo herself, she does! Awesome work, Karen!

[@joeyhoulihan2135]

@Cutting Edge Engineering How old is Homeless?

[@Stefan_Kawalec]

Or Karen's skill and determination, given Kurtis' shenanigans :)

[@Booker58]

Hi Kurtis, you make me feel very proud to be Australian, I don't know if your a awhere that there are other You Tubers speak very highly of you and your work. They have a enormous respect for you and the outstanding work that you do. Good to see a young man can show everyone how it's done properly. Keep up the good work and keep the videos coming.

[@keitharcher5723]

Kurtis usually seems so precise and professional. It was fun to watch him get a little red neck with tying the rod to a shipping container and pulling on it with a forklift. I liked that he had to get a little bit of a running start with the forklift too.

[@bkbinj6320]

Yeah, I was afraid he might move the container. I suppose there’s more heavy steel stored in there.

[@mhfuzzball]

@@bkbinj6320 Well, a 40-foot container weighs roughly 3,750 kilos empty, so that's a good start right there.

[@johnhasty2325]

Absolutely brilliant. Love the way Curtis takes us on a journey on how things work and go together. Not everyone would have seen how this stuff works. And he just tells a great story on how things work. A bright future ahead for the CEE team.

[@vk1pe]

Karen, your camera moves really tell the story. Lining up on that first pull by the forklift was instructive without any voice-over needed! ;-)

[@CuttingEdgeEngineering]

thanks for the great feedback!

[@dandeeteeyem2170]

I was thinking the same thing... People could use these videos as a manual for repairing their own components if they had access to a workshop.. So many how - to guides on here for free, with close up shots of the most important steps..

[@paladin50554]

I work as a machinist at a manufacturer of hydraulic cylinders. I also spent three years assembling them before I moved to machining. I love watching these cylinder repair and rebuilds. It is fascinating to see how you do a lot of stuff differently than we do them.

[@MikkoRantalainen]

Could you comment on doing the stuff differently? Do you think one method allows more accurate results and another allows faster work, or is there more important differences?

[@rlaxton666]

​​@@MikkoRantalainenThe big difference is probably that when @paladin50554 builds a cylinder it is pristine and new, whereas when Kurtis is working on it it will almost always be borked to shit 😂

[@criscross572]

If you haven't got a forklift iv got rams apart using a jetwash as a pump in the past, safer with the forklift tho.

[@paladin50554]

​@rlaxton666 it's true. Most issues we have are related to our own machining errors.

[@paladin50554]

​@@MikkoRantalainenthe biggest difference is in the scale of the work. Where I work we build anywhere from a single cylinder up to orders for several hundred. There are times where I have spent a week or more machining several hundred example of one part. There are also days where I'll machine one example of 6 different parts. Also everything we do is done with CNC mills and lathes.

[@crazymikeburles]

Thanks for giving us a window into the life of a very accomplished machinist. Have you ever considered making a video on the background of how your shop came to be and who mentored you early on?

[@johndehoog5567]

Love the can-do attitude at CEE. At 8:14 Kurtis with dead pan delivery says "We are going to tie it to something REALLY heavy." I can hardly wait to see what that means. LOL Thanks for posting. A total top drawer production as always.

[@gtbproductions1]

I remember when you made those BLUE stands about a year ago. Nice to see them being used.

[@oldclimber5502]

Always makes me smile when I see them in use, perfect .

[@BlueSpark-vy3fd]

yes they were a well planned solution that will last for years

[@kempy666999]

Thanks for the vid - roll on part two ⏳ Love the editing - especially how it makes everything flow so naturally. Great example is Kurtis drives the rod out of the workshop to have the nut cracked, Homey plays with a toy while Kurtis is away and then Kurtis returns with with the rod. Great storytelling - thanks Karen. I know bugger all about hydraulic rods/cylinders - so what it the purpose of the silicon bronze bit at the end of the rod? All the best, Paul

[@CuttingEdgeEngineering]

Hey mate, the silicon bronze is a sacrificial material because the rod end acts as a "choke" when it goes into the end of the barrel during the close cycle the silicon bronze prevents metal to metal contact and won't damage the cylinder if it does bottom out.

[@DrakeKillah]

This one was a treat! Love it when there's a bunch of different operations involved, watching Kurtis get the job done! With all the explanations that are short, to the point, and just *chef's kiss* perfect! The quality and consistency from you guys, is awe-inspiring🔥

[@vincentguttmann2231]

I'd love Curtis just *slowly* going up as the end of a video 😂

[@Smidge204]

As the old saying goes; "If brute force isn't working, you're not using enough."

[@JohnShalamskas]

If duct tape fails to work, you didn't use enough duct tape.

[@jackrichards1863]

There's another old saying.. it goes. That's NOT an old saying. I think you just made that one up.

[@GerhardtRoos]

Don't use force, use a bigger hammer.

[@ianharvey3465]

And if a bigger hammer isn't the answer, you're asking the wrong question.

[@kizzjd9578]

Metal cant be stuck if you turn it to a liquid

[@bumblebeebob]

It never fails to amaze me how people will bring their crap in filthy. I'll bet they pay their head mechanic less than Kurtis is charging them to wash it.

[@CuttingEdgeEngineering]

this!

[@darkwinter6028]

@@CuttingEdgeEngineeringAnd for that matter, parking it filthy! That grit and grime can’t be good for a machine. (Yes, I’ve been known to say that if your tractor isn’t dirty you’re doing it wrong - but don’t *leave* the machine that way!)

[@jaquigreenlees]

@@darkwinter6028 well if you have to bring water in to the job site in a tank I can understand not cleaning it daily.

[@bunnywarren]

I thought the same thing. I guess it might be more common if it's a used part that's being sold though - sold as seen with the dirt for free.

[@richkh]

Looks like they hired Karl as their head mechanic!

[@tjh44961]

I was thinking as I was watching today, how nice it would be to have everything on hand that is needed to complete a project, without having to stop, because you don't have a piece of tooling, or a tool, or piece of hardware. Even after more than 25 years as a hobby machinist, I never get through a part without having to stop. I realize that's partly poor planning on my part. But you almost always have what you need on hand. But then you blew my illusion, because you loaned your spanner to a friend, and it didn't get back to you. You're just like the rest of us. Thanks, Kurtis.

[@ED_T]

Your ability to estimate center of gravity is remarkable

[@MattysWorkshop]

Gday Kurtis and Karen, you got a good score with that cylinder, I was expecting to see the rod all chewed up but like normal I was wrong also it was good to learn what all the different seals do, well explained, have a great weekend mate, Cheers

[@CuttingEdgeEngineering]

Hey Matty! Hope you're feeling alright and the metal taste isn't too bad today. We definitely had a win with being able to re-use the cylinder rod. Take care & chat soon

[@einfelder8262]

@@CuttingEdgeEngineering Just make sure to polish that rod before you use it again.........

[@chele-chele]

First thing my mentor taught me was never lend out tools, no matter the excuse. I'll take the short term grief over the prospect of either not having a tool that I need or chasing one down that never made it back e.g. your flogging spanner!

[@MJMC56]

There's nothing quite as irritating/annoying/disappointing as lending tools and not getting them back.

[@hoilst265]

I've gotta say, it's slightly funny that someone flogged his flogging spanner. But I sympathise; an ex-mate of mine took my Made In Australia sidchrome socket that dad gave me. Bastard.

[@TomokosEnterprize]

Hi folks. I have fought a number of battles trying to get the big nut off the rod and piston. On our 640 we/I had a 12 ft snipe with 6 of us to break it loose with no luck. I finally called a friend up north who has a dedicated V shaped 30 ft long bench with a 12,000 lb electric winch and a hydraulic nut wrench of sorts, Hard to explain but it works great. I could send a cyl up and have it taken apart and back here in under 2 hours. Far cheaper than the gong show we were doing back here. With all the cyl work you do it would serve you well to build your own. All the oils are simply retained and drain into a bucket. Heat and age really beat this up. I wonder how long it had creeping or sagging before taking it out of service. I hope you all have a wonderful weeknd and some R&R too folks. See you for part 2.

[@ronkluwe4875]

Curtis - I sincerely hope your customers realize how lucky they are to have someone of your skill, expertise, and commitment to excellence available to work on their machinery. It is a joy to watch you work and all the best to you and your family.

[@Horus9339]

Never a truer word has ever been said 'Never let your gland touch your rod'. Thank you guys, have a great weekend.

[@MrArcadyus]

I'm amazed how knowledgeable you are about these machines.

[@hallsdzl]

"JUST STOP SAYING ROD!"😂 Please keep these outtakes. They're absolutely marvelous

[@lescrooge]

I am always impressed by how you tackle a problem. no brute force and ignorance here, just a proper methodical way. great job. great channel. always learning more with each new video. Respect from South Africa

[@covrtdesign5279]

You can tell how many horrible situations he had to deal with in the field. Made his own business and does it properly and with pure professionalism.

[@dandeeteeyem2170]

MUNTED 😂❤ The outtakes were hilarious... Thanks for pushing forward and making a new episode every week.. Some weeks it must be hard! Keep up the good work..

[@CuttingEdgeEngineering]

hey mate thanks for this comment, some weeks we are definitely under the pump but we enjoy sharing the work and videos!

[@Absaalookemensch]

You're such a great team. A real dynamic duo. How wonderful that you can spend time together at work. What a great idea to get scrapped parts to rebuild them. It's keeps you in work during quiet times. This cylinder shows the difference between work done by a grease monkey and a professional. As the saying goes, cheap costs. And an ounce of a professional saves you a ton of grease monkeys.

[@gorillaau]

A professsional makes something hard look easy. A grease monkey makes something easy look hard.

[@davidelliott5843]

The snag is that so many grease monkeys make a good pass at looking professional.

[@alonzochubb7061]

That piston should be a teaching item for owners/operators.

[@Paddington60]

Kurtis demonstrating his Superpower of seeing CoG when slinging things, good to see. It is very surprising that a relatively flimsy seal can hold back 3,000 psi, always a surprise. Good work on the camera and editing Giggler! How many George Birds are there now, I thought it might be four, they are bringing their friends to see the fantastic work. Homey taking things slightly easier this week. Thank you Kurtis, Giggler, and Homey! Live long and prosper!!! 🖖🏻

[@rolfbjorn9937]

Blindly assuming a 0.1mm/.003" of gap there and 8 inch diameter, it means ~ 0.1 sq inch so...about 300 lbs of actual force acting on it. Conversely, pressuring a garden pump with 25 PSI and an opening of 4." diam, that's a 100 PI Lbs (314.141592654 lbs ) of force...and with a cap that doesn't thread properly and launches itself, you've made a canon.

[@markbernier8434]

Outtakes were priceless on this episode. One bit I would have liked to see is the look on Karen's face when the press started to move across the floor. Have to admit it surprised me too. I'd have thought it was bolted down especially the way he uses it as a giant C clamp.

[@timhyatt9185]

i'm betting he puts a 6 or 10' bar of metal into the ground as an anchor post, for just this sort of purpose in the future...

[@jefflaufer3205]

I was sure Kurtis was going to chain strap the press to the back wall of the shop...

[@Parents_of_Twins]

I rebuilt the cylinders off of a Dynahoe 190-4 backhoe, small in compared to the machines you work on but big when compared to your average backhoe. I used a engine lift and my back to do them. Not the easiest thing I've ever done especially getting those nuts loose. Can't remember exactly what I did to get the nut loose on the dipper arm. I know the 4' pipe wrench and 6' pipe didn't work, but did bend my pipe wrench some. I know it was a combo of 3/4" impact with lots of air pressure and I think some heat, probably not the best way to do it but sometimes when you don't have a mate to help you need to improvise. I never heard of it having any issues and that was a decade ago so must have done something right. The skill with which you put those seals on is impressive. You make something that isn't easy for the average dude look easy.

[@vicferrari9380]

We've got a local cylinder shop that has a cool set up for pulling cylinders apart. They have a fairly heavy I-beam that they have welded substantial end plates on. Its sealed up with drains on the ends. It has holes on the sides to put pins across it. So they pin a damaged cyl on one end and they have a active live cyl pinned on the the other end. They couple the cylinders together and pull the one apart. All the oil is caught in the trough. I never seen it done but i imagine they could push it back together in it as well. It's a cool piece of shop built tooling.

[@sheddweller2066]

I am a just a beginner hobby machinist (with a completely different day job)but it amazes me that your videos about jobs I probably will never perform in my life can be so entertaining and informative that makes me look forward to them every Friday morning.

[@gusviera3905]

Man, what a mess. Looking forward to seeing the rest of your rebuild. And you two still have a great time with each other. The secret to success. Nice to see. Thanks for yet another great episode. See you next week!

[@tomoakhill8825]

I just watched my first CEE video yesterday. I have watched the abom79 KZbin channel for ten years. The channel is by Adam Booth, who is a third generation machinist in Florida. His channel started with him recording himself working in a shop identical to CEE, fixing large pistons, and gear shafts, in a large lathe. The thing I _love_ about this channel is how similar it is to the other channel. These machinists fix the same equipment on opposite sides of the world, using the same methods. Beautiful.

[@roneckler9937]

With the cost of this equipment, you would think that companies would have some sort of maintenance program in place to take care of it better. Thankfully they don't and it keeps your doors open to fix all this stuff. You both are awesome. Keep up the good work. Cheers from Florida!

[@SeanBZA]

They think they save money, which short term they do, but long term it is really expensive. Bet they also complain the ute needs an oil change every 15000km, then complain that, because they drive on dusty roads, that the engines and drivetrains are worn to nothing after 100 000km, because they never actually serviced them using the right schedule, which is in the handbook, and is 5000 km. 15 000km is if you drive on tar freeway, no dust, no dirt or water, and never stop running the vehicle except for servicing. But this will get it out of warranty, and then you buy a new engine, or buy a new vehicle, both profit for the manufacturer.

[@alexanderSydneyOz]

Personally, I suppose these sorts of industries have many staff who know how to use equipment, but are not so motivated or adept at the detailed record keeping required by well constructed maintenance schedules.

[@Simon-ho6ly]

@@alexanderSydneyOz Its more "well it doesnt NEED money spent right now, so dont, do it later... yeh later... later... its saving us money.... OMG WHY IS IT TOTALLY EFFING MULLERED???!!!" profit now takes priority over a problem that is NOT now even if you know you are pushing it down the road, it will come eventually.. when... later dont worry

[@dirtfarmer7472]

@@SeanBZA I think that’s it is called, penny wise & pound foolish

[@Sebastian-ed5kt]

​@@alexanderSydneyOzi work in maintenance and usually we just fix and repair stuff that's broken when we get called to do it + a few things with actual schedules for maintenance/ repair/ change

[@philipB31]

When it takes an entire episode to disassemble part of the project, I just know it’s going to be a huge amount of work. A new release/video from you is my favourite reminder that today is, effectively, the start of the weekend, much like an alarm clock, but a very pleasing one. Thank you, as always, for sharing.

[@andyf8088]

Kurtis is clever and has a great resource of tools and knowledge to use them, BUT I am even more impressed with his cleanliness and keeping his shop spotless.

[@gigantor56]

Thank you for all the explanation about how these things go together and how they work. Coming from an IT background I know nothing of these things. Time to go watch part 2 ! I get hooked on your content and have to go watch more after getting a Friday (Denver, Colorado) video. Should have kept the flying off bit at the end that was awesome!

[@GrumpyHarleyRider]

Another great video guys. Looking forward to seeing the cylinder completed.

[@CuttingEdgeEngineering]

Hey mate always glad that the videos are being enjoyed, we're even going to give this one a paint job 😂👍 Thanks once again!

[@DuncanAitken]

I love the breakdown and explanation of the gland seals on this one. Thanks Kurtis & Karen for another informative & entertaining video!

[@henrydorsetcase]

LOL "It's pretty munted, but it's not fucking munted". Clear, concise, accurate.

[@jamesjarrait2231]

As an American. I get the meaning from inference. But what does munted really mean?

[@henrydorsetcase]

@@jamesjarrait2231 Hi James - I'm a Kiwi and the CEE people are Australian (which are similar but not the same ...... just don't mention the rugby, or the league, or especially the cricket)... but I think the usage is similar across both nations. Basically it is a synonym for "f***ed" - in the sense of ruined, inoperable, non working, broken. Its just a bit more polite. It came to real prominence in NZ after the earthquakes when a Minister of the Crown referred to our central city as "munted". Fun fact: a person can be munted if they are under the influence of drugs or alcohol. Hope that's useful.

[@PaulMurrayCanberra]

I always enjoy the "not messing about" aspect of CEE.

[@MarengoScotland]

This series of videos is immensely educational, thanks for sharing! 😊

[@petermckee1061]

It breaks my heart to see any machinery end up like that. Thanks both for all the wonderful videos and big pats for Homeless. Cheers, Peter.

[@Greybeardmedic]

I absolutely love how methodical and precise you work. You are a real chess player when it comes to machinery. You seem to know what kind of dramas and bananas are coming your way 10 steps ahead and how to fix them. Thank you sir. BTW, keep feeding those birds and soon we can call you Cutting Edge Aviary.

[@luckyirvin]

after nearly 50 years as an assembly tech of electronic assemblies and cables, i find it so satisfying see how a master fabricator gets things done, with Karen, the master videographer recording and editing this fine fine show.

[@justdoit4170]

The best measurement ever, " It's pretty munted but it's not f**king munted. " 🤣🤣

[@MrRebar15]

*Cutting Edge Engineering Australia* Bravo well done, at first you don't succeed get a bigger hammer! Thank-you for taking the time to bring us along. GOD Bless.

[@brianbeasley7270]

You've opened my eyes to what a good machinist can do! Thanks.

[@curtisroberts9137]

Send the customer this video to watch you pull it apart with a note saying, "That was easy mates. Don't know what y'er F^$*ing problem was." You are living the dream K&K. Keep having fun!

[@coffeytime1979]

You're the man once again kurtis! 💪💪 whoever the other person was that couldn't get it done,either gave up too quick or just didn't have it in them to get'er done!! As always you guys rock!! Hopefully your weather is treating y'all good,well wishes from sunny Arizona 🤙

[@williambailey9378]

Your ingenuity has no bounds mate 👍 great work and filming Karen 👍

[@codylittle1229]

thanks karen for showing the degreaser and sharing tools and info

[@CuttingEdgeEngineering]

You are so welcome!

[@ICA17887]

It's always a pleasure to see CEE's videos and I thank you for all the work you've been doing for years for us, your fans. 👍🇫🇷

[@t0mn8r35]

That piston...ouch... Your videos are the highlight of my week. I look forward to watching your work, the spot-on editing and of course the various animals. We love Homeless!!!

[@suzykheeshond3640]

I love the videos. I am not a engineer or machinist, but it's the little things I learn like watching today was instead of the just beating one spot on a seal to get to a point to pull it out, punch in a few spots until you get a big enough dent to get the gap you need. 40 years or so of occasional seal replacements and I've just been beating the same spot and Kurtis made it look so much easier...

[@dieseldude8657]

What I really like about your videos is, your workshop, machines, and the yard are always clean and tidy. Apart from being a great machinists, everything is always immaculate. Thanks for the great videos too.

[@sadmule]

An idea for other stuck parts like that, some kind of fitting adapter to put pressure washer on push side of cylinder, can push out and no meas of oil to cleanup after as just water to let dry out. Same idea as hydro-forming

[@CuttingEdgeEngineering]

hey mate yes definitely an option

[@alro2434]

@@CuttingEdgeEngineering IF the leaking piston is less then the washers output.

[@josecondemarin9586]

What a great video!! Kurt as always you show so much professionalism. You should be a teacher for all those young guys getting into the business. Karen, you are superb. Love your editing and your sense of humor, hommie is just hommie. Take care, thanks 😊

[@MAG-1234]

Curtis is living up to the AC/DC lyrics: "I've got big balls!". Nothing like strapping a cylinder to a conex and yankin' on it with a forklift! Subscriber for life!!!

[@BruceBoschek]

That was interesting. It looks like that relatively soft seal resulted in binding that took amazing force to pull apart. This is one of those cases where improper assembly and poor maintenance resulted in a complete failure, necessitating barrel and piston replacement. As always, we appreciated the excellent discussion and the superb camera work. We wish you three a pleasant and enjoyable weekend.

[@julianreverse]

The piston is in top condition. Pet-free, non-smoking household.

[@aramirez8427]

Curtis, when Scotty beams you up to the Enterprise your brain is going to the Smithsonian.....Your attention to detail, engineering level explanation and professional approach to failed components is from another world.

[@alexanderross2786]

MAN YOU ROCK! You made separating the piston from the barrel look easy!

[@armandofrancogarcia1217]

Buenas días, muchas gracias a ustedes dos por sus Excelentes videos, reciban un saludo desde México.

[@lampadophoros]

Loved the little birds! And this episode was a really great clinical breakdown of that cylinder. Good step by step explanation. And superbly photographed, as always. Thanks!

[@kindablue1959]

"Well, its 'pretty' munted, but it's not 'f*ckin' munted" - LOL

[@zobrombie3023]

Giggles: "Having fun..." Curtis: "they won't be." I loved that one. Lol

[@azpcox]

Karen, when I end up laughing hard for the last 4 minutes, you’ve gone above and beyond. I mean, it is Kurtis distilled into 4 minutes of top notch fun. Add in your infectious laugh and it’s a wonder he even gets any good takes in at all. 10 hours of filming - 32 minutes of useable material. 2 minutes of omg he’s pulling the press outside!

[@daleburrell6273]

...that was a real DRAG-(!)

[@LadyAnuB]

How to get the cylinder apart. Stick Homey at one end and the Franna crane at the other and let Homey go! 😅

[@CuttingEdgeEngineering]

hahaa yes this that is the option when all other options don't work 😂

[@Kierpm96]

Damn Curtis really giving it the beans with the forklift trying to pull that rod out

[@CLCIII]

Simple Aussie ingenuity! I had a feeling when you said "someone else couldn't do it", that you were gonna make short work of it! 🎉

[@Murphyslawfarm]

G'day Kurtis, Karen and Homey. Cool video of some carnage. Have a great weekend you three 😀

[@johnmead1337]

Your videos really do have it all. Amazing skills and techniques about the work, Awesome team work with both of you, wildlife, and not forgetting the dog. Keep up the great work guys.

[@lqueryvg666]

OMG - the outtakes with the birds("I am so distracted right now") and lifting himself off the ground - priceless....

[@wallyschmidt77]

I caught myself looking at that trashed piston and thinking, "That's going to make a really great machining video!" Thanks, guys.

[@martinliebaug1957]

I am currently apprenticing to become a tool and die maker and your videos are running 24/7 for me. Good content!

[@paulforster4133]

watch and learn young Jedi

[@Fix_It_Again_Tony]

It's really amazing what you can find on the internet. This didn't exist 20-30 years ago when I was coming of age. The quality of the good content is worth years of experience. Good luck in your career.

[@high1voltage1rules]

OMG the ending had me in bits, 🤣🤣🤣🤣the out takes crack me up. just love this channel. love the repairs, your dog, and its great your wife lends a hand and records your video's! all works so well. just great💯😉 thanks for sharing, looking forward to the next tune in, 👍👍👍👍👍THUMBS UP👍👍👍👍👍 Anthony, United Kingdom

[@Ingveyisnthome]

Never get tired of watching Curtis do it all the correct way, wish I could work with him everyday

[@jcbro86]

That pipe wrench with a long arm cheater followed with “noooo” was my favorite part

[@brandonh5336]

That was a "fucking duh" moment. That nut was probably torqued in the neighborhood of 8,000 ft-lbs. His "flogging spanner" would still be worthless.

[@UKDrew]

Awesome as Always...Wow That ended up in a mess..Cant wait to see this...

[@Cole-xq2tl]

Starting the video off with Kurt's self proclaimed least favorite part of the job!

[@25vrd48]

My first disassembly of a cylinder quite a bit larger than that one I was told to use shop air , NO warning as to what was about to happen . Yeah the rod assembly came out after a few minutes of building pressure . You can imagine what happened as I wasn't told to use a chain to keep the rod assembly from shooting across the shop floor and stopping when it kit the concrete wall with a very loud sound . The seasoned mechanics with experience that failed to properly instruct me seeing as I was a new mechanic helper weren't too happy and voiced their opinion until our boss started chewing their butts for not being there and instructing me as to the correct way to do the job . Sure made a big mess and I was lucky no one was injured . A couple of years later me and another mechanic set up a cylinder that was going in the scrap trailer , out in the parking lot with plenty of room as we wanted to see how far the rod would go , it went about a 100 feet after we let the shop air stay hooked to the cylinder and we didn't think it would come out . Just as we were about to shut the air off the rod finally shot out , too bad we didn't have video camara's back then as it was a site to see . No witness's either .

[@P51]

Curtis: You're sense of an object's center of mass is truly IMPRESSIVE!

[@robbfisher2876]

You really should get a guy you know with a certain military helicopter to go visit that other guy you know and get your spanner back 😉

[@CuttingEdgeEngineering]

😂 good idea

[@markmartin5248]

Curtis, Thank you for taking me away from trump news. My country is very ill, but there is nothing I can do to rectify the situation. But you and yours are people of an integrity I was raised with and it it gives me much comfort to watch your videos. Your friend from NYC, now in New London . Long life.

[@johnbillington488]

You must be reading the wrong news, we have just as many corrupt pollies as the USA. Our police force is a bit better than yours but needs improvement, and we don''t have to put up with HOA's or what looks like a pretty crook CPS. Stay well. Cheers.

[@lightningstrikestwice6302]

Your comment regarding taking us away from our sick country and Trump news is spot-on! Kurtis shows us a high degree of skill in his trade. Integrity, a self-effacing sense of humor. Kindness to animals and other human beings. As a retired heavy duty mechanic I also appreciate how he keeps his shop pretty spotless, organized and efficient. Plus, he takes care of his body when he works. Remove large pieces of equipment by himself and I have yet to see him put his body at risk. He buys the equipment he needs to stay safe! Quite a remarkable gentleman! His site gives me countless hours of entertainment admiring his remarkable skills. And occasionally, good music! And a big thanks to the person taking and editing the videos. You do a wonderful job as well! Again, a big thank you from an old tired beat up mechanic living in the San Francisco Bay Area! God bless and take care

[@radardoug]

Thanks for the detailed explanation on how all the seals and bits in the gland work. I've seen lots of KZbin videos of guys replacing these but never this kind of detail about how they are supposed to work.

[@MadMathMike]

Kurtis being lifted away by the over head crane at the end was magical! 😂

[@neilhiggins350]

Isn’t it magic, the way the webbing leaps onto the forks when the forklift is driven into position. I wish I knew how to do that! 😅

[@bigstackD]

Shame ya cant melt it 🤔

[@WildSeven19]

Whichever one of you came up with adding the outtakes at the end is an absolute genius. I didn't know munted was a word, but I do now.