Case/Davis trencher backhoe
- MattA
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Re: Case/Davis trencher backhoe
Another option would be to use a pair of vice grips or pliers to hold the steel rod your pounding on. I've done it but on a much smaller scale than what your doing.
Ingersoll 4016
- Eugen
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Re: Case/Davis trencher backhoe
The thumb pain is less annoying so I thought I relax a little trying to disassemble the cylinders. I was stomped a little by this inner locking ring that holds the gland in place. As is there was absolutely no way to get to it.
With help from @Spike188 I figured the gland has to be pushed in far enough. Didn't go in easy, I used a copper hammer to whack the gland all around 'til it went in far enough to reach that ring. Tough ring too.
The rod came out then.
With help from @Spike188 I figured the gland has to be pushed in far enough. Didn't go in easy, I used a copper hammer to whack the gland all around 'til it went in far enough to reach that ring. Tough ring too.
The rod came out then.
Case 224, 444, 644, 680E
Kubota B26
Kubota B26
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Re: Case/Davis trencher backhoe
@Eugen Glad to hear your thumb is a little better, and your able to make some progress.
I’m enjoying the work you @Spike188 and @thebuildist are doing on your backhoes.
It’s making me want to bring mine back into the shop for a little sprucing up too! Hopefully I can work it into the rotation later this year.
I’m enjoying the work you @Spike188 and @thebuildist are doing on your backhoes.
It’s making me want to bring mine back into the shop for a little sprucing up too! Hopefully I can work it into the rotation later this year.
- DavidBarkey
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Re: Case/Davis trencher backhoe
Anouther way to draw in that type of gland for removing the ring . Is to fill the top end with gear oil or the heaviest weight oil you have . Burp ALL air out and seal with appropriate cap . You only need a couple of inches of oil between the piston and gland . Stand upright and put more oil or grease on shaft and around gland to air seal . Cylinders small enough to pick up by hand , pick up and bang the bottom on an piece of hardwood . The enercia of the rod assembly when hitting the floor will draw the glad with it as the fluid creates a vacuum between the piston and gland. The larger ones use a hd ratchet strap looped around it and or a BFH and block of wood . Sorry guys about being late to the party , I don't always think of these things untill after people are done fighting with stuff .
Dave
Mad Tractor Builder
Mad Tractor Builder
- Eugen
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Re: Case/Davis trencher backhoe
Thanks Dave! It's a good procedure to remember for next time.
Case 224, 444, 644, 680E
Kubota B26
Kubota B26
- thebuildist
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Re: Case/Davis trencher backhoe
Or, if you're built like I am, you just put your thumb on the gland and "push on 'er pretty good."
"Never be afraid to try something new. How hard can it be?"
- Eugen
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Re: Case/Davis trencher backhoe
yep, nope
Wish I had a press of sorts for this task
Wish I had a press of sorts for this task
Case 224, 444, 644, 680E
Kubota B26
Kubota B26
- Eugen
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Re: Case/Davis trencher backhoe
Cylinder 2 and 3 done taken apart, 2 was a bear, done over three days bit at a time, 3 was easy, done in about an hour.
Next I need to get the pistons and glands off, and start measurements to figure out which seals and o-rings to get.
After that tackle the swing cylinder(s).
Next I need to get the pistons and glands off, and start measurements to figure out which seals and o-rings to get.
After that tackle the swing cylinder(s).
Case 224, 444, 644, 680E
Kubota B26
Kubota B26
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Re: Case/Davis trencher backhoe
@Eugen I have no doubt your still hurting, way to power through it!
Great job getting it apart. Looks like you’ll be reassembling pretty quick.
Great job getting it apart. Looks like you’ll be reassembling pretty quick.
- Eugen
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Re: Case/Davis trencher backhoe
Doesn't hurt much anymore Jeff.
After the kids were asleep I managed to get the pistons off of two rods. The nut holding the piston takes a 1-11/16 socket, which I don't have. Luckily, after heating it up, it came undone real easy with the 30" pipe wrench.
Piston, gland, seals, and o-rings ready to go inside and get measured. But not tonight. Time for
After the kids were asleep I managed to get the pistons off of two rods. The nut holding the piston takes a 1-11/16 socket, which I don't have. Luckily, after heating it up, it came undone real easy with the 30" pipe wrench.
Piston, gland, seals, and o-rings ready to go inside and get measured. But not tonight. Time for
Case 224, 444, 644, 680E
Kubota B26
Kubota B26