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Author Topic: Tips for freeing stuck undercarriage  (Read 898 times)

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Online Maine logger88

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Tips for freeing stuck undercarriage
« on: November 11, 2017, 05:55:41 PM »
My new to me E120B cat excavator was used loading a manure pile and then sat for quite awhile before being used again and now the chains are froze up bad it barely will travel straight and forget turning without help from the bucket. I am wondering if I can just loosen the tracks and run it hoping they will free up or if I should do something else?
79 TJ 225 81 JD 540B Husky and Jonsered saws

Offline mike_belben

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Re: Tips for freeing stuck undercarriage
« Reply #1 on: November 11, 2017, 06:18:13 PM »
I always heard to park it in water.. Supposed to work miracles but i couldnt say, no experience.  If you cant get it into a puddle (or dig one in place) maybe dump waste motor oil on the chains and let it work in.

Offline mike_belben

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Re: Tips for freeing stuck undercarriage
« Reply #2 on: November 11, 2017, 06:21:07 PM »
On second thought.. Hand sprayer and a diesel/motor oil mix.  Hillbilly penetrant, weed killer, stump burner, insecticide, fence paint, wood sealer, flea and tick ointment and general antiseptic

Offline maple flats

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Re: Tips for freeing stuck undercarriage
« Reply #3 on: November 11, 2017, 06:22:17 PM »
Since it likely has no blade, face the cab to either side, and use the boom/bucket to raise one track 6-12" off the ground, then pressure wash it. Next, run that track only, several revsThen lube all rollers with the proper grease or oil. Next, run that track only, several revs in each direction. Set that side down and then repeat on the other track., when lubing, set it on the ground for safety.
If it does have a blade, use the blade on one end and the bucket on the other and lift the whole machine 6-12".
logging small time for years but just learning how,  2012 36 HP Mahindra tractor, 3point log arch, 8000# class excavator, lifts 2500# and sets logs on mill precisely where needed,  Peterson ATS upgraded to WPF mill, maple syrup a hobby that consumes my time. looking to learn blacksmithing.

Offline coxy

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Re: Tips for freeing stuck undercarriage
« Reply #4 on: November 11, 2017, 06:30:23 PM »
my buddy has the same trouble with his case loader after pushing grass silage and not cleaning the tracks  the grass is like concrete after drying  the water trick my work even if you can use a garden hose to get them good an wet  and run it one track at a time like maple said

Online Maine logger88

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Re: Tips for freeing stuck undercarriage
« Reply #5 on: November 11, 2017, 06:56:22 PM »
Great ideas guys I will try them! The machine is in the shop right now with the cylinder head off it cause it was pushing coolent as well but when I get it out I will take the steam cleaner to it and try running the track off the ground adding some lube as I go! Mike don't forget for those of us in the northeast vehicle rust protection 8)
79 TJ 225 81 JD 540B Husky and Jonsered saws

Offline mike_belben

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Re: Tips for freeing stuck undercarriage
« Reply #6 on: November 11, 2017, 09:39:06 PM »
Im from massachusetts.  Ive sprayed a lotta motor oil!

Offline coxy

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Re: Tips for freeing stuck undercarriage
« Reply #7 on: November 12, 2017, 06:07:25 AM »
where from mass 

Offline Ford_man

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Re: Tips for freeing stuck undercarriage
« Reply #8 on: November 12, 2017, 04:41:45 PM »
Use a lot of Blue Creeper.

Offline Ed_K

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Re: Tips for freeing stuck undercarriage
« Reply #9 on: November 12, 2017, 05:08:46 PM »
 I did the same as maple flats. Only I used light hydro oil on a TD6.
Ed K

Offline mike_belben

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Re: Tips for freeing stuck undercarriage
« Reply #10 on: November 12, 2017, 08:04:49 PM »
Ludlow and springfield

Offline tacks Y

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Re: Tips for freeing stuck undercarriage
« Reply #11 on: November 12, 2017, 09:49:49 PM »
With my TD8E, I removed and pressed them a part and back together. Tried oil and fuel, I had got ash on them before parking for the winter. Chains were like new so they froze up bad. Good luck.   


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