- Thread starter SVcummins
- Start date
Guy I worked for 25 years ago had I little skid steer that did that to one boom cylinder. He unhooked the rod from the boom and the ran it with one cylinder for awhile. The bent one wouldn't really move much so I guess it worked. Had to have been hard on that poor machine though.
Hi , I bet you bent the rods, not cylinders. It reminds me of a fellow that bent a rod on a small excavator. He put it on a press with a block on each end to straighten it. When he put the pressure to it, it slipped and went through the shop door taking the mirror off a truck on its way out.
I have bent a few. You have to be careful when the rod is fully extended in the cylinder. Ed Will Oliver BC
I have bent a few. You have to be careful when the rod is fully extended in the cylinder. Ed Will Oliver BC
in the early 80's neighbor bought a new Duetz with a new Westerndorf loader , cylinders were what I consider upside down like yours. they bent severely like yours did hauling round bales .
I have never seen cylinder rods bend when the cylinders were installed the opposite way.
had some new rods built from some non chromed shafting materiel, always had to keep them retracted when not in use to keep from rusting.
I have never seen cylinder rods bend when the cylinders were installed the opposite way.
had some new rods built from some non chromed shafting materiel, always had to keep them retracted when not in use to keep from rusting.
john in la
Well-known Member
I also consider those cylinders on upside down.
With what looks like a round bale of hay picked up all the way so those cylinders are probably close to maxed out.
And let me guess. You were either moving the tractor or raising the loader fast where it caused a shock jolt just before they bent.
Cylinders are most likely still good just needs new rods. And put the rods at the top when you put the cylinders back on the tractor.
With what looks like a round bale of hay picked up all the way so those cylinders are probably close to maxed out.
And let me guess. You were either moving the tractor or raising the loader fast where it caused a shock jolt just before they bent.
Cylinders are most likely still good just needs new rods. And put the rods at the top when you put the cylinders back on the tractor.
olgentdc
Well-known Member
dang ,that took talent! , please tell us how so we dont have to try to figure out how to reinvent that bow,,. OK ,,.. Nothing Can be to dum or embarassing ,, Believe Me, Most of us have that sheepish grin , that run equipment,.. 30 yrs ago, i Learned my lesson not to bend them on my little Massey 1010 while backing up to level the grade with the bucket tipped ,,.then couple years ago, my son learned the same thing on my YANMAR ,,.. Dont DO THAT ! , we straightend the Yanmars ,,.But THey Leak -weep now and wont hold a heavy load in place .. the piston needs resealed..
shaun wallace
Well-known Member
It doesn't matter which way are mounted, rods up or down they will bend if overloaded. If do put barrels down there will be a bunch of plumbing changes. Ports on base end of cyl may interfere with loader frame.
flying belgian
Well-known Member
You can straighten them. I've straightened many. Put it in press between blocks of wood. Wood is so you don't nick chrome. You have to get them dead on straight otherwise they will bend again. Not that hard to do just takes a little time. You must have been carrying something very heavy with loader up in air which is a no no.
Actually bent them moviing some wood chips and straw but we have had trouble with the mount breaking off that holds the one cylinder to the main frame of the loader which I think is what caused the one cylinder to be overloaded then when the one bent it overloaded the other one bending it . I was pushing fairly hard on the chips mixing them with straw for bedding and I raised the loader to dump them and both cylinder rods bent I wasn?t really sure how I was going to get it apart but it turned out it the hay stack was the right height so I stuck the grapple buckets teeth in the bale and then closesd the grapple and I was able to get the rams off pretty easily
Hi , I bet you bent the rods, not cylinders. It reminds me of a fellow that bent a rod on a small excavator. He put it on a press with a block on each end to straighten it. When he put the pressure to it, it slipped and went through the shop door taking the mirror off a truck on its way out.
I have bent a few. You have to be careful when the rod is fully extended in the cylinder. Ed Will Oliver BC
I have bent a few. You have to be careful when the rod is fully extended in the cylinder. Ed Will Oliver BC
I just finished straightening a 24" x 2" shaft. It takes time, and those are going to take a lot of time to get right. Use a magic marker and mark the outside of the bend radius fairly carefully. Start small. Use blocks of wood as mentioned to support the shaft. V notch both ends of a 4x4 hardwood, and run the shaft parallel to the wood block, with the inside radius in the V notch. Once you get near straight, you'll need to cut the block so you can press over-center and get it perfect.
Each one is going to take several hours to do. Set the rod on the open work bench with the eye hanging over and roll it to check for true.
Each one is going to take several hours to do. Set the rod on the open work bench with the eye hanging over and roll it to check for true.
Traditional Farmer
Well-known Member
- Location
- Virginia
I'd be looking on the Surplus Center website to match up a set of heavier duty cylinders,those rods look too small for that loader and apparently they were.
Russ from MN
Well-known Member
- Location
- Bemidji MN
I was also thinking it shouldn't make a difference which way the cylinders are, the force is the same. The important thing is they must be free to hinge as far as they need to. I would check the pressure relief. They might of put them rod end down to reduce dirt on the rod seals?
flying belgian
Well-known Member
By gosh I think you may be right. Looks like that cross member may have been welded in later and someone did not have the geometry figured out right. This was the first time since adding that the loader was raised to maximum height.
Eldon (WA)
Well-known Member
Well I can see how they bent if you were pushing up chips into a pile....loader fully extended, and making that last push with the tractor. The cylinders were overloaded by the force from the tractor, not the load or the hydraulics. I've seen the same thing happen when breaking out a bucket load of gravel from a frozen pile and the overhanging gravel breaks off and falls on the loader. The hydraulic oil is trapped in the cylinder by the valve, so something else has to give.
rustred
Well-known Member
the cyl's do look upside down. and it does make a difference how they mount. the lifting pressure hose goes to the piston side of the cyl, not the rod side. this gives more contact area on the piston for easier lifting.you would need to check out the plumbing on them to see how they are installed as cant tell from picture.
Eldon (WA)
Well-known Member
It makes no difference which way the cylinder is mounted, when extending it always uses the piston side, not the rod side.
Was the loader modified? The shadows make it hard to tell, but it does look like the top portion of the cylinders could be binding against the cross tube between the loader arms. A bent column has little strength compared to a straight column. A bucket load heavy enough to bend the cylinders that far out of a straight line would probably have continued bending the cylinder rods further until the column collapsed.
Any idea what prevented the loader from collapsing all the way?
Any idea what prevented the loader from collapsing all the way?
Traditional Farmer
Well-known Member
- Location
- Virginia
What's the size of those rods?They look much smaller than on my Oliver loader which probably is capable of lifting 1/2 as much as yours and also the longer the rod the larger it needs to be as its more easily bent the farther its extended.
the tractor vet
Well-known Member
That is what i am thinking , seen bigger cylinders on a case back hoe . for that size of loader you would think that they would use a rod of 1 1/2 or larger . Now as to the way they mounted them IMHO it was done this way for hose routing . Now ah days they make things to sell and not to last or work . Just because it will LIFT the load on a higher operating pressure on a small cylinder does not mean that the small cylinder rod will not fold up like a accordin while holding up the load and that a shock from a bump . It comes down to ya need bigger rods that are over kill . It might have been fully tested at the plant but not FARMER tested in the field as A farmer will bring out the weak points on a piece of equipment .
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