Help please, how to open this hydraulic cylinder?

   / Help please, how to open this hydraulic cylinder? #12  
Those two holes on the end aren't for a big spanner wrench?
My cylinder is weird, you actually have to push in on the end and then remove the big c clip or whatever you call it. Pretty simple once you figure it out. Worth a try maybe?
 
   / Help please, how to open this hydraulic cylinder? #13  
As others have asked.... You sure those two holes aren't for a spanner wrench?
 
   / Help please, how to open this hydraulic cylinder? #15  
As others have asked.... You sure those two holes aren't for a spanner wrench?
You still need to turn it for a wire gland, no threads.

I've never seen holes for a spanner on one that used a recessed retaining ring, but always a possibility.
 
   / Help please, how to open this hydraulic cylinder? #16  
Here's a link to another website that shows pictures of a similar cylinder. The discussion says you have to knock the gland INTO the cylinder about 1/8" to access a retainer. There is a good discussion and pictures. Hope it helps. Edjumacated me. :laughing:

Hydraulic cylinder disassembly
 
   / Help please, how to open this hydraulic cylinder?
  • Thread Starter
#17  
Hi
The mystery is solved! never in my life I would've find it out. there is a wire that holds the gland. the access to the wire is from the front nipple. the nipple have to be removed and underneath it is the end of the wire. the gland has two grooves in it and two wires to secure it. amazing!
Thank you all for your good will. any ideas regarding how to reassemble it? one thing is for sure - I have to replace the wire with a new one.
 
   / Help please, how to open this hydraulic cylinder? #19  
I had a feeling it was a wire type, first I've seen one in the port though!

Post some pictures, normally the wire is pushed in and the gland rotated to draw it in the rest of the way, not sure if it's that way on this one.
 
   / Help please, how to open this hydraulic cylinder? #20  
It might be a wire retained gland, is there a small notch on the side of the barrel near the top of the gland? If so does it have what looks like a square piece of metal in it? If so when you turn the gland enough in the correct direction the wire should "roll" out of the barrel releasing the gland which should just pull out.

Mine is like the one described here. That square rod wire was some 5-6" in length- enough to wrap all the way around in its channel. When you assemble it you feed it in the hole notch in the side of the cylinder, bending it as you feed it. Taking it out is the reverse. You rotate the gland until you start feeding an end back out. Grab it with pliers and pull as you rotate the gland. Once out the cylinder comes out easily.
 

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