It's Not Magic. Bobcat Excavator Swivel Joint Repair.

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HowIDidIt

HowIDidIt

10 ай бұрын

Bobcat 341 Excavator has a hydraulic leak at the swivel joint. The swivel joint allows the excavator to rotate 360° while supplying hydraulic oil to drive motors and blade functions.
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Seal Stretcher www.4tetradgroup.com/shop/p/p...
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Пікірлер: 61
@chrisowen9378
@chrisowen9378 10 ай бұрын
The in the field version of this video is probably rated R you're a better man than I !!!
@brucejensen3533
@brucejensen3533 10 ай бұрын
Thank you so much for taking the time to produce this content! Greatly appreciated.
@markkirschling9340
@markkirschling9340 10 ай бұрын
Any serious repair shop should not be without your seal stretcher and clasp. Great idea.
@CopperCreekCuts
@CopperCreekCuts 10 ай бұрын
Always enjoy your videos, thanks for the time to make them!
@taw8350
@taw8350 10 ай бұрын
Awesome video! Hardest repair I have experienced, it was on my X337. Nothing like standing your head trying to get the hoses back on the topside. My dealer told me it would take a miracle, he wasn’t kidding.
@weekendhack.whatsnext
@weekendhack.whatsnext 10 ай бұрын
I did the one on my 331 last fall and wish that I had that tool. I ended up using larger hose clamps to get the bands contracted again and it worked but definitely could have marked up the new bands. There was plenty of access from the top with mine though and that is a good thing because I never would have thought to grab the plasma cutter.
@dewaynehahn6873
@dewaynehahn6873 10 ай бұрын
For self install without a helper. Try a Harbor Freight atv winch with remote control. Hook up to 12volt and use remote to raise or lower unit into place. I have used this method on heavy control values lifting into position while under a machine.
@daved7024
@daved7024 3 ай бұрын
Superb instructional video. Thanks 👍😊
@christopherwebber1104
@christopherwebber1104 10 ай бұрын
hard plastic wrapped around with a hose clamp will resize rings also
@Kpa1983
@Kpa1983 3 ай бұрын
thank you for all the insight. will help me one day with my bobcat 430
@dane9175
@dane9175 10 ай бұрын
Thanks!
@blackdogexcavator21
@blackdogexcavator21 10 ай бұрын
Good info. Now, I may try rebuilding mine.
@andremachadoabreu2601
@andremachadoabreu2601 10 ай бұрын
Sou do Brasil e acompanho seu trabalho. Parabéns grandes ensinamentos👏👏👏
@Wrenchen-with-Darren
@Wrenchen-with-Darren 10 ай бұрын
Nicely done
@jessecooper2366
@jessecooper2366 10 күн бұрын
I find it’s easier to jack up the cab and screw the track assembly back if my excavator comes unscrewed. Lately I’ve had to be really careful on rotating around because I lost count.... so hopefully I’m not at 12 revolutions.
@thedelcodave
@thedelcodave 10 ай бұрын
Unlucky 13 spins and then you are having a bad day lol.
@dontrentlage2686
@dontrentlage2686 Ай бұрын
It is Ok to use Petroleum Jelly or hydraulic oil to lube hydraulic seals. works good. I worked for Amoco in the RD fuels lubricants division and am Master Certified. Also you can use the looped end of a piece of piano wire looped and crushed in a piece of tubing to ease in seals, or plastic pry for windshield repairs...
@kalen01
@kalen01 10 ай бұрын
Good video!
@johnathandoe3558
@johnathandoe3558 4 ай бұрын
Awesome video, very thorough, great camera angles, explanation on poi t etc. I don't think people understand the money you would have to pay for a course containing this info. Greatly appreciate it!
@jason-things_to_do
@jason-things_to_do 10 ай бұрын
Would it not be safer to use the ring compressor as each o-ring is being installed into the bore , as one would do when installing piston rings into a block?
@edwardwalker3280
@edwardwalker3280 Ай бұрын
I use to make these . Machining and assembly at the bobcat plant in Bismarck ND.
@russellgnuse
@russellgnuse 10 ай бұрын
Great videos when useing hot oil to install bearings how hot do you get the oil got a couple to install thanks
@Rprecision
@Rprecision 10 ай бұрын
Where do you get the hydraulic caps? Thats a smart idea
@WoodCutr1
@WoodCutr1 10 ай бұрын
I thought you could turn 16 times! unrelated, how much for your service truck crane in east tennessee? I need to pick the top of my excavator up out of the road
@jfitz9624
@jfitz9624 2 ай бұрын
I wish i would have saw this video sooner. I made the mistake of turning it 14 times and it came unscrewed. Really hard to restart the threads to screw it back on since the house weighs about 5000lbs…
@savagebeastking8703
@savagebeastking8703 10 ай бұрын
That’s totally magic!!
@GSPISGOD
@GSPISGOD 7 ай бұрын
Where do you find those big snap ring pliers?
@pablopablito1986
@pablopablito1986 5 күн бұрын
Does swing motor gets the fluid from swivel or control valve?
@rayzarcone2771
@rayzarcone2771 4 ай бұрын
Where can I find (buy) both the seal stretcher and the clasp tools?
@Rubmaster
@Rubmaster 10 ай бұрын
Tom Scott shows a nice animation on how this works, but for fluids on a roating house.
@jorsot8839
@jorsot8839 10 ай бұрын
Have a question 2003 mustang 2044 lost all hydrolics moves back and forth fine but dump and lift don’t work I put a gage on the house straight out of the pump and I’m getting 500 psi at full trotle. Think it’s the pump?
@ozarkarky
@ozarkarky 10 ай бұрын
13 spins? How do know over time, months or even years, where your at with those 13 spins?
@pegbars
@pegbars 10 ай бұрын
It's BS. I don't know why he's perpetuating that myth. It isn't threaded and has no reason to be. You can spin it around all day long if you want. This is evident by the design of the swivel... the channels are circular, not threads
@rrrusted2883
@rrrusted2883 2 ай бұрын
The easiest way to keep track of the rotations is to set a bucket of steam on the counterweight at the start of each job. As the machine turns it spills a little of the steam each time. Keep an eye on the bucket. As the steam gets close to the bottom then you know you only have a few turns left. 😉
@nitinmore623
@nitinmore623 2 ай бұрын
How many connections can be obtain on a swivel rotary union?
@tcraft1946
@tcraft1946 10 ай бұрын
Can you please make a video on the t870 hydraulic track tensioning system. Mine has issues!
@benasstoncius4325
@benasstoncius4325 10 ай бұрын
We had some issues with those aswell
@Papa.L125
@Papa.L125 9 ай бұрын
Question about case return. I have a 2019 T770 enclosed cab. Is there a case return is there a filter or some type of check valve? I have blown the motor seal on the output shaft on two different disc type forestry mulchers allowing hydraulic fluid to go into the gear box then blowing the bottom seal on the gear box. One Kubota and one Diamond brand mulchers. Mulcher dealers say when the cutter disc gets loader to heavy or stalled the return on the Bobcat is not accepting enough fluid. Any suggestions?
@tetradgroup
@tetradgroup 9 ай бұрын
No checks or filter, only main hydrostatic filter. Back pressure on case drain line could get up to 50 psi. Tee in a gauge to the case drain line at the quick connector and monitor pressure. Replace main hydrostatic filter as well.
@andrewarmstrong9194
@andrewarmstrong9194 9 ай бұрын
Could that inner section be put in the freezer to shrink, or would that not be as good idea?
@Texaca
@Texaca 7 ай бұрын
... i would think it could, and put the outer assembly in the oven, just set it at the lowest temperature, and lube the hell out of it when trying to assemble it... ✌🏼 A friend of mine did that with a press on ball joint for a power control arm, for a Civic. He lubed it with slick 50 or some Teflon lube, the joint slid down itself into the fitting by itself.
@Texaca
@Texaca 7 ай бұрын
...that Swivel Joint, is where the "FM" happens. I heard many complex things called that, when I was working for G.E. Computer Services at DFW Airport. A lot of ex-military guys used to work for RCA/G.E. Computer and Electronics services, many with Radio and electronics military training. I was very naive at the time, back in 1996. I asked one of the Senior techs what "FM" stood for, he replied, that's where the "F@#King Magic happens 🤣🤣🤣🤣🤣🤣
@oleyeller
@oleyeller 7 ай бұрын
I currently have the swivel out of a 2011 E50 for seal replacement. I want to replace all the rings on the fittings. Are the rings standard or metric? Durometer 70? Anything special. I want to use quality replacements as we all no a real pain to access. Any help or suggestions appreciated.
@tetradgroup
@tetradgroup 7 ай бұрын
You should be able to order the seals straight from Bobcat, that way you know you have the correct quality seals.
@oleyeller
@oleyeller 7 ай бұрын
Thanks! That's exactly what I will do.
@scrhino40
@scrhino40 8 ай бұрын
Bobcat dealer told me that they would have to separate the top on machine from the track frame to replace that joint I see they where wrong. Is it true it will come apart after 13 turns in 1 direction. Have a great day be safe
@tetradgroup
@tetradgroup 8 ай бұрын
No, just a bad joke. It will spin in any direction indefinitely
@scrhino40
@scrhino40 8 ай бұрын
@@tetradgroup I figure it was a joke but just wanted to make sure cause I didn't want some rookie on my excavator just to see if that was true. Nice video. I Learn something today about how to repair something. Thanks
@jay-od7kh
@jay-od7kh 2 ай бұрын
its a rotating oil distributor not a swivel joint 🤣
@hemanthkumar9893
@hemanthkumar9893 9 ай бұрын
Why there is 13 rotation is limited
@tetradgroup
@tetradgroup 9 ай бұрын
Just a joke
@I22I22I2
@I22I22I2 9 ай бұрын
you're gorgeous ♡
@alancaro526
@alancaro526 2 ай бұрын
What’s with this turn 13 times and it unscrewed itself joke being so serious always Ya’ll keep confusing peeps
@pegbars
@pegbars 10 ай бұрын
Why are you perpetuating that myth of unscrewing the cab? That's total BS. You can spin it in circles all day long if you want.
@micdiva
@micdiva 5 ай бұрын
No its not a myth. You can only spin an excavator so many times before it unscrews itself
@tommyk1073
@tommyk1073 10 ай бұрын
I’m curious..did I hear you correct? The house can be swung 13 times in any direction and it will come loose? Is that a joke or are you being serious? I’ve never heard of anything like this.
@pegbars
@pegbars 10 ай бұрын
No, he's full of BS. It just spins around in circles... it's not threaded.
@tommyk1073
@tommyk1073 10 ай бұрын
@@pegbars lol..good. Thought I missed something
@jeffwood7047
@jeffwood7047 9 ай бұрын
@@pegbars 🙃
@jeffwood7047
@jeffwood7047 9 ай бұрын
How many years of experience have you got with heavy equipment? @@pegbars
@madeinmaine6816
@madeinmaine6816 13 күн бұрын
What do I do now? I'm not sure if I went 10 × 2 the left or 8 × 2 the right. What if the last guy didn't write it down? The 4 times he went left. I'm so confused😅
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