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Author Topic: Daily carnage thread  (Read 32297 times)

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Offline teakwood

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Re: Daily carnage thread
« Reply #220 on: December 28, 2020, 07:59:52 AM »
I started to use my excavator for a trial run in the quarry, she hasn't worked much the last 2 years. i always noticed the turn table drop some grease, but it was just some drops. but after 3hours of work i was shocked by seeing the amount it squirted out. the machine is 20years old and has 8200h. the seal has hardened over the time and has broke of at one point.





It's a slewing bearing with balls inside. today i will measure it's play, have done it 2 years ago and it was ok.
does anybody have experience with excavators? maybe @kiko , @bushmechanic ??
National Stihl Timbersports Champion Costa Rica 2018

Offline Dangerous_Dan

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Re: Daily carnage thread
« Reply #221 on: December 28, 2020, 08:36:37 AM »
There is a sump that encloses the ring gear and the pinion off the swing motor.
It's probably full of something like water or the gear oil from the gearbox on your swing motor.
Get under the machine and pull the drain plug for that sump and see what comes out.
Water leaks in from where the swing motor bolts in.
If it's gear oil the seal for the pinion shaft on the swing motor is leaking.
If it's hydraulic oil you have more seal problems in the swing motor.
Check the gear oil in the swing motor, if it's empty you might just need the seal.
The pinion seal is easy to change.
Pull the swing motor and remove the seal cover around the pinion shaft and put the new seal in it and reassemble.
These seals are overpriced at the dealer.
It's best to pull it apart and measure for the seal and get the all rubber coated ones.
First you make it work, then you trick it out!

Offline kiko

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Re: Daily carnage thread
« Reply #222 on: December 31, 2020, 07:08:58 PM »
I agree with above. But think the seal is progressive damage. It has been over greased or there is liquid , water or oil that has increased the volume and forced the grease out bast the seal.

Offline teakwood

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Re: Daily carnage thread
« Reply #223 on: January 02, 2021, 07:38:47 AM »
I think i have figured it out, after talking to a excavator mechanic friend back in Switzerland and some internet research

the swing motor is fine, no leaking oil.
the big pinion and gear is also perfect, nice clean grease. (they're emerged in a grease bath, like 36liters)

the 93 rollers (actually balls) have 3 grease nipples around de slewing ring at 120degrees each. (books says, grease every 250h) they have been overgreased (my fault) and the seal has gone bad over the years.

Play is 1mm which is totally in the normal range.
the excavator should be fine for work, but will continue to drop grease. when the grease stops then i put a little more in, just a small layer of grease on the balls should be ok.

the seal can be changed as is, but i'm sure it's no fun.

seal is 210$ OEM in Miami, which i find very overpriced. or 10-30$ AM in china, korea,....
National Stihl Timbersports Champion Costa Rica 2018

Offline Kim_Ked

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Re: Daily carnage thread
« Reply #224 on: January 21, 2021, 07:53:56 AM »
 

 

 

 


So its been a while since I posted anything. I thought this would fit in. 
Its my Arbro1000.  I initially took it apart to replace the all the sliding brass wear parts within the machine. That was a good 1000$.  Once I got it apart, I realized that the entire top section of the delimbing head was in very battered condition. So off to a reputable fabrication shop who rebuilt it for me, top to bottom. Its like new now, 1500$ in fabrication later. 

So I get that top section back and put the machine all together.  Last part to go in is the new big 92MM adjustment nut (400$) in the pictures you see here. The old nut was in really bad shape by the time I got it out. Thinking this was it, I quickly realized that the new nut will not thread in to the frame! The manufacturer cant even get me a replacement insert with the internal threads on it.  So after many hours of grinding and cutting, removing the entire top plate and continuing to grind out the old insert, I can finally see a small crack developing where the insert goes through the frame.  This is shown in my third image.  

I'm really hoping that a machine shop will be able to make me a new insert ($$$), with my internal metric, 92MM thread that I can have a fabricator come and weld it back in for me. More $$$. I can weld but not good enough that I can sleep well knowing I had a good penetration between these layers.

Stress-full [I have typed a profane word that is automatically changed by the forum censored words program I should know better] man. Iv spent so much on this that It really has to work out.  This machine is 69K new and I can't replace it. I'm in way to far now to stop either.   I really need something to work out for me soon. This machine has been down since mid November waiting on these parts and repairs. Given the ridiculously low amount I'm getting now for stud wood, its going to take me a few loads just to pay for this one.

Thanks for watching!
1995 Daewoo Solar 130-3, 2001 Customized Arbro1000, 1995 Case 685, Patu525, Chevy C10 383Stroker!

Online mike_belben

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Re: Daily carnage thread
« Reply #225 on: January 21, 2021, 01:00:02 PM »
Thats a tough one.  Youre doing good work, keep at it man. 
Revelation 3:20

Offline BargeMonkey

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Re: Daily carnage thread
« Reply #226 on: January 22, 2021, 09:28:22 PM »
My mechanics like your serious.... 🤷‍♂️  lets get the parts, tools, load up the sleds and in we go 😆... that new 800 Assault will take a man right off the bars...



Offline snowstorm

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Re: Daily carnage thread
« Reply #227 on: January 23, 2021, 07:32:49 AM »
My mechanics like your serious.... 🤷‍♂️  lets get the parts, tools, load up the sleds and in we go 😆... that new 800 Assault will take a man right off the bars...

(Image hidden from quote, click to view.)

800  assualt i have one it is a weapon fairly quick

Offline snowstorm

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Re: Daily carnage thread
« Reply #228 on: January 23, 2021, 07:52:48 AM »
there is always something to fix. couple weeks back the hydraulic pump in the rottne gave up. found a good used pump. take the old 1 out and the spline is bad on the gear box. out comes the gear box. needs 1 shaft bearings. some of it is coming from sweden. 6.0 ford in 1 of the f550's. low power  then will not start no codes. scaned it low high pressure oil. 250 lbs takes at least 500 to start. changed the standpipes and dummy plugs air tested it. ran a jumper to the ipr valve while air testing. no leaks. left the jumper on spliced that inti the harness. and it started runs like a new one. so did putting 12 v to the ipr free it maybe. normally it only uses a volt or 2 or the new used connector?

Offline chevytaHOE5674

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Re: Daily carnage thread
« Reply #229 on: January 23, 2021, 06:19:08 PM »
Skid steer started pushing coolant about 100 hours back. Quick tossed a head gasket in and it ran like a top for 100 hours until it started pushing coolant again. So head is at the machine shop getting magnifluxed, pressure tested, rebuilt, etc. Started prepping the block and found a .002 to .003 depression right at the edge of 2 of the liners. This little Yanmar ran like a sewing machine quiet as can be and had great oil pressure. But things just got a whole lot more expensive.





Offline Walnut Beast

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Re: Daily carnage thread
« Reply #230 on: January 23, 2021, 06:45:39 PM »
How many hrs total are on the motor. You will have a like new machine when you get everything together 👍

Online mike_belben

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Re: Daily carnage thread
« Reply #231 on: January 23, 2021, 07:14:01 PM »
Yeah very little glycol is required to destroy oil.   Sucks man. 
Revelation 3:20

Offline chevytaHOE5674

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Re: Daily carnage thread
« Reply #232 on: January 23, 2021, 07:19:34 PM »
3200 hours on it now I think. Motor will be brand new when its all done. Rubber bits in the drive hub on the back of the motor is hanging out so that will get replaced. Scooped 50lbs of "debris" out of the belly pan. Before it goes back together ill drag it outside and powerwash the machine out as best I can for the middle of winter.

Not upset about it at all other than the fact I have a few step decks to load with hay that ill have to do with the tractor loader instead (which takes nearly double the time).

Offline BargeMonkey

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Re: Daily carnage thread
« Reply #233 on: January 23, 2021, 07:54:27 PM »
Not my picture, not my machine, and I wouldnt want to be this guy... @Skeans1  whats a new cab cost for a fancy harvester ? 100 installed ? 🤷‍♂️ 


 

Online mike_belben

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Re: Daily carnage thread
« Reply #234 on: January 23, 2021, 10:41:53 PM »
Didnt take any pics but drove 205 miles round trip and sawzalled the snot out of a cab chassis van today to pull a ford 460/C6 for my dumptruck build.
Revelation 3:20

Offline Walnut Beast

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Re: Daily carnage thread
« Reply #235 on: January 24, 2021, 01:26:38 AM »
Didnt take any pics but drove 205 miles round trip and sawzalled the snot out of a cab chassis van today to pull a ford 460/C6 for my dumptruck build.
Get some pictures next time 👍

Offline Tacotodd

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Re: Daily carnage thread
« Reply #236 on: January 24, 2021, 01:45:35 AM »
Mike, Id like to see where you sawsalled  and your logic in choosing those particular points.
Trying harder everyday.

Online mike_belben

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Re: Daily carnage thread
« Reply #237 on: January 24, 2021, 09:19:20 AM »
Well its a van so the engine has to come straight out the front, very little room for lifting with carb on.  I sawzalled the nose from top of grill to bottom of bumper between the frame rails.  Cut the floor pretty thoroughly then exhaust.  Unbolted starter/alt/PS pump, jacked it up, took out trans xmember, and rigged up 2x4s under the motor mounts like skis so it could be pulled straight forward.  Then hooked a cable basket to the forks and a choker off the tailhousing to lift it out and onto a pallet.  


 Was there Noon to 5ish taking my time.  I also got side mirrors, driveshafts and carrier, radiator, trans and oil coolers, brake master and booster, ignition module, etc.  He wanted $400, i gave $550 and feel i did pretty dang good.  People want $1000 to $1300 for junkyard 460/c6 lately.  Took a few weeks to find this.
Revelation 3:20

Offline Haleiwa

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Re: Daily carnage thread
« Reply #238 on: January 25, 2021, 02:24:28 PM »
Not my picture, not my machine, and I wouldnt want to be this guy... @Skeans1  whats a new cab cost for a fancy harvester ? 100 installed ? 🤷‍♂️

(Image hidden from quote, click to view.)

That one's a little hard to figure out.  Did he cut it with the head not fully gripping the log?  Or did he release the head with the log leaning back towards the machine?  It doesn't take long for a tree to fall the wrong way.  I remember the man who sold me my Valmet asking "Have you dropped a tee onto the cab yet?" soon after I started using it.  The answer was "No, but I did have a few limbs brush the window on the way down".
Socialism is people pretending to work while the government pretends to pay them.  Mike Huckabee

Offline so il logger

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Re: Daily carnage thread
« Reply #239 on: January 25, 2021, 02:58:23 PM »
Looks like they cut it with chainsaw and was using the harvester to push it. Got the power line too...

:laugh:


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