Excavator Swing Bearing Replacement Fun Version - ConEquip 101
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- Опубликовано: 21 авг 2024
- ConEquip Parts Phone: 716-246-0030
Contact ConEquip and learn more about our business
Website: www.conequip.com
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Here is one method of changing out a swing bearing on an CAT 311B excavator. Often you will see a swing bearing replaced by lifting the cab off the undercarriage and rolling the tracks out. In this video, our mechanics secure the cab, separate the undercarriage, and lower the tracks down. With the cab secure, they replace the swing bearing and then lift the undercarriage back up to the upper structure.
Any job requires a tremendous amount of safety precautions. With this method, the upper structure is stabilized with jacks, a jack stand, the machine's arm, and a crane. Along the way, extra support is added.
The job is started by pulling the rotary manifold and capping off all the lines. Once the bolts from the swing bearing is removed, the tracks are lowered down. The turntable is then cleaned and inspected.
A forklift brings the swing bearing and places it on the turntable and the swing bearing is bolted down. At this time the undercarriage is raised up to the machine and lined up with the swing gear. The process requires slightly moving the swing to get the gear and the bearing to line up. This is why you cap all the lines in the beginning so you can use the machine's hydraulics.
The cab is then bolted to the bearing and entire machine is lowered back down. Once on the ground, the rotary manifold is hooked back up and the area cleaned.
If you need a swing bearing for your machines, definitely give ConEquip Parts a call. We carry high quality DYCO brand swing bearings for a fraction of the cost of an OEM swing bearing.
Contact ConEquip and learn more about our business
Website: www.conequip.com
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Phone: 1-716-836-5069
Email: sales@conequip.com
Postal:
2712 West Ave, Newfane, NY 14108
611 Jamison Road, Elma, NY 14059 .
Call 716-246-0030
This video is meant to both show one way to install a swing bearing while having fun along the way. One of the best things about our business is meeting super people like you, who love their families and the great country we live in! Thumbs up, thumbs down, kudos or criticism, we love hearing from you because we live in a FREE COUNTRY! God bless!
Aa
where didi you buy the bearing?
Tem como postar um vídeo trocando o pinhão que aciona o giro da maquina
You guys did a great job.I don't know how much safer you could have gotten unless you used a remote control robot. You took necessary precautions and finished the job with no damage to machine or human. This is the nature of the hard work you do. KEEP UP THE SPLENDID WORK AND THANKS FOR SHARING.
Thank you sir. God bless and have a fantastic Memorial Day weekend.
The local Kubota dealer wanted upwards of $7,000 to fix my little 4½ ton KX 121-3 excavator that has too much play in it. They said could take 30-35 hours. Sounds a little high to me. Now could be because they have 12 people handling the paper work generated by 4 or 5 repair techs. I cancelled my work order on it.
Please support the slew gear with more than a pry bar when fingers are gping under it, so easy for a pry bar to slip. Lift it block it, then silicone it.
Very, very good point there. Thanks Jim
Interesting subject, spoiled by the music and jokes. But keep at it and I'm sure your videos will improve. It takes a lot of effort to do this stuff, so hats off to you for having a go.
Thank you for the comment and encouragement! We always look to improve and value you most of all! God bless you and your family in 2019!!!
Great job guys
Thanks Harald. God bless!
I noticed that you didn’t replace the small gear you should always replace them both because they are worn out in the same manner unless you did and I didn’t see it in the video
I have a feeling they did not. Great catch. The next swing bearing video we do we will make sure that is done! Thanks for the feedback. How is life where you are???!! =)
Great job 🎉. I’m an excavator mechanic. Do i get the chance to work with you? I’m from ghana, west Africa
Good Work
Nice job thanks for sharing 👍
Thanks Black Smoke! God bless
I'm from Iraq I love you Caterpillar 😘😘
Good video , i have a mini excavator, nothing wrong with the swing bearing but i need to change the rubber tracks. It's on a komatsu pc40 just a 12,000 pound mini excavator but i am not realy a mechanic, but i do have some experience...not much though...iam pretty sure i can change the tracks if i can find a video on it ...i did help put a track on after it got a rock in the track and caused it to come off , the track wasn't adjusted right it was loose and i didnt know how to tighten it at the time
Good video, I feel like some wear my self after looking
Brilliant video thank u 👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍
well thank you!!!
Foi o melhor vídeo q já assisti muito bem explicado cada detalhe
Very good video. Enjoyed the beats, too.
Ha! Thanks! We beat to a different drum. =)
Great job 👌👌👌
Class A job !
A shop uses what they have for safety and developed out of necessity.Still its risky to do a job like this unless its at the manufacturer where they have the equipment designed specifically for this job.I cringed a bit at some of the things done.The block between the track and the support beam showing up late.Editing may have made some things look worse.When reaching in like during cleaning I personally make long handled scrapers,I dont reach in there.And putting a finger under the bearing to spread silicone?The other guys bar slips and its your finger. Not I,that is why God made sticks.I did appreciate the video.A different approach this shop has for their situation.I appreciate the mechanics skill and knowledge and their serious approach to a dangerous job.The teamwork was impressive which is crucial to safety.I laerned alot from the video and appreciate that.I like how reasons were explained by the mechanic.Thanks
you are not alone. We've had a few people mention safety issues with this way of changing out the bearing. Thanks for your opinion. It is highly regarded Matt.
Cool stuff. I would have thought they would have dragged the carriage out from under it to work on it so you aren't working in a pinch point if things went south while trying to clean it. Also , is that whole area inside the ring gear packed with grease or just applied to the ring gear?
Definitely a lot of debate if you should always roll the undercarriage out. Probably risk both ways. Grease was applied in all areas. Thanks for the comment!
a good mfg of equipment would buy a slewing gearbox with a pinion gear that is slightly softer then the hardened teeth of the slewing bearing. Also the pinion shaft of the gearbox should be male spline and the pinion gear is easily replaced at a low cost.
nice work Thanks
thanks SovietRufusnik!!!
Very nice...like
Can't imagine any silicone sticking around and surviving that pressure. .! ..I guess some could cure near the edges and maybe down in the fine grooves of the machining finish
Most would definitely be expended. Great observation on your part.
Conequip Parts LLC ..I have a Hitachi ex120 and hope to someday be setup for a repair as that. ..have you done a video on track pins and bushing s
?
Good info
Thanks
This looks like Donald of M&M in Lexington Tennessee
I noticed that you didnt replace the rotator gear itself , it will be as worn as the swing bearing , was it replaced or did you forget to add it in the clips , cheers good video .
Koala Meat it can be replaced from above at a later date you know how people cheat to save money
Noticed the cylinders don’t even have hose burst valves on them, surely there is a better way
Interesting thought. Thanks for the comment
1. kill the music, it's terrible 2. kill the humor, serious subject needs a serious voice, this isn't comedy. there are several comments on safety, does the CAT manual offer any standards on how this should be done or is every shop on its own?
Thank you for the feedback Henry! We truly appreciate your participation in helping us do a better job with these videos. What type of work do you do? How is your 2019 going so far? God bless!
You forgot to fill the cavity with Grease gear can't run dry !
yikes!!! so that's why it failed a month later!!
@@Conequipparts yes sir 🙌grease is key to long bearing life you got to put at least 10 gallon on that machine of grease in there before you reinstall . Swing gear cant get it from the Swing bearing.....
I've done lots of these bearings interesting approach to it the place i believe you went wrong is the undercarriage should come out from under the machine and the bearing surface machined done it without machining and the bearing will not last good luck
Great response. This was the first time we saw the job performed this way. What do you think the advantages might be? God bless you and your family in 2019!!
that big!!! LOL try changing that on a 375!!! its a lot BIGGER... YES I have changed it on a 375 cat in the field!!!
I can't even imagine. Big boys for big jobs. Thanks for sharing. God bless!
We are preparing to do a 375 field repair any tips suggestions? Thank you!
@@mikedenny214 safety, safety, safety!!!
well like coneequip said safety above all else!!! but lots of cribbing & at least other piece of equipment to help move the parts around. clean it before you start then move it from where you cleaned it so your not laying in the crud!!
@@pisom4314 Thank you I appreciate it!
Hey great video guys. I bought a jcb 8065 excavator. Unknown to me the slewing motor gear was all chewed up. The swing bearing ring gears appears fine? I have measured slack in the bearing with a dial indicator from the track frame to the underside of main body at 15thousanths. That seems pretty good to me? What could cause this and would you try to just replace slewing motor gear? That is what i am planning. Anybody ?
Interesting Jim. If you call us, we can hopefully get you pointed in the right direction. Here is a number. Ask for Garrett. 716-219-1058
I have not seen in the video,when they put the 20k of grease that the year carriers.🤔
A crane should not be side loaded like that.
That's a hoist, not crane.
Why do you need a service manual to look up torque specs? use a standard torque table.
great question!
Not all bolts are done up to standard spec
Depending what they'd use for
Manufacturer specs are anyways first go to
Failing that then use a torque table
Because a torque table gives you use the optimal torque for that bolt, not for the place you put it in. A torque table may be deceiving for some applications
So not due to wear but ingress of crap? Could better design of regular washing have prevented this?
A cab of silicone doesn't exactly inspire confidence! Both the substance itself and no certainty about how much to put on and where. Why not a gasket -- rubber, plastic, copper?
Breathtaking job.
Slewing bearing
Nice video just loose the annoying background music 😎
garat garat sar
I see more faces than the equipments.
good job but HOW many price it
Indian rupees
great question
Any mistake there, means your life
What's a job like that cost a guy.
That's a great question. Would range from $500 to $1500 we would guess
Drums annoying shit... Is this intended for children, seems kind of animated.
Thanks for the comment. Aren't we all children at heart?!!! God bless
Закалибал этот барабанный звук
Hi! Gays names nati from 🇪🇹 have treble with komatsu pc220_7 When you operat with full acceleration the engine will be shatoff.
Thanks Gays. I am big fun of you.
Why the unnecessary pixelation 😝 so distracting on an otherwise quite interesting video
Thanks for the comments. The mechanics didn't want their names shown so we obliged. Trust me, it would have made my editing easier without having to add that!
But you call the guy Don several times ?
@@patrickp4384 you think his name is Don?
Yes you called him Donald
You can clearly read Donald on his non-pixelated right side of the chest.
The music junked another video 👎👎👎👎💩💩😬😬
That actually sounds like a good song title!
You guys worked with very low safety standard, how brave you are when you put your head under the cabin and it's very dangerous (unsafe action).
This baby excavator look so cute for me but still dangerous for you if you work like that.
I replaced Slewing Bearing of 5230 Caterpillar excavator in 2006 and never ever seen anyone put their head under the cabin like you did.
Please do your job safely maaannnn, today is not your last day to do this job because you still have another day to do the same job like this. Think about your wife and children who always waiting for you comeback with the same condition as when you go to work and never ever make them worries about your safety.
Thank you for this thoughtful and informative response. I can't imagine how amazing it is to install a swing bearing on a 5230. Thank you for your hard work and kind words. God bless.
5230 um yea someone got underneath the house to work on it. Can't be scared all your life.
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It's not safety
I don't feel the supports were adequate. For crane failure with that guy leaned in over the track, I lost a nephew that way. I think I would build special supports for this job that could work for all types excavators. I never realized how dangerous this would look to me. I am a retired heavy equipment mechanic, and I have done jobs like this myself. we would have charged a couple thousand just for work, not the bearing.
Thank you for commenting. So sorry for your loss. The crew had supports all around. The crane was only another precaution. Certainly no job is 100% safe but this was as safe as rolling the undercarriage out from under the machine.
Ish that was so dangerous guys. Working under suspended loads that that is not permitted
With jack stands, extra support, machine arm support, and a crane, confidence was very high.
bad editing, appalling music and a misplaced sense of humor, turned an interesting subject into a joke.
Thank you for your comment. They help us to know what we should consider in future videos. God bless!
Can't hear what the guys talking about half the time because the music is about to blow the speakers out. I don't get what's up with people and their rediculous sounds and levels on RUclips.