Author	[Modern View]
davenag 09-14-2012 05:17:21 192.249.47.180 Report to Moderator	I have a case 580b loader/backhoe with a leaky loader bucket tilt cylinder. I tried to remove the cylinder gland nut using a heavy duty adjustable gland nut wrench, a 3/4 inch drive breaker bar, and a 5 ft long pipe for leverage. I couldn"t budge it. I"m thinking I could heat the housing to help free up the nut, but I would probably cook the seals inside. Since I"m planning on replacing the seals maybe that"s not a big deal. Any tricks to loosening the gland nut? [Reply]   [No Email]
BobHnwO 09-14-2012 13:13:04 50.126.240.106 Report to Moderator	Re: 580b tilt cylinder gland nut in reply to davenag, 09-14-2012 05:17:21   Had same problem with my 580B,same cyl.,I took a chisel and made a flat spot on the outside edge of the gland,then used a punch and big hammer and beat it loose,them used the gland wrench! [Reply]  [No Email]
ohiojim 09-14-2012 10:25:23 50.126.247.182 Report to Moderator	Re: 580b tilt cylinder gland nut in reply to davenag, 09-14-2012 05:17:21   it'll loosen up all right,..good luck keeping it tight again, take it to a good hydraulic repair place...it'll be money well spent....BTDT [Reply]  [No Email]
Dalex 09-14-2012 07:45:37 108.38.146.180 Report to Moderator	Re: 580b tilt cylinder gland nut in reply to davenag, 09-14-2012 05:17:21   I worked for a Case dlr , and IaGary has it right, Heat red hot , then cool with water. Try Kroil or PB in between cycles.... Don't worry about the seals, the rod wiper may get smoked , but its easy to clean up ... [Reply]  [No Email]
Allan In NE 09-14-2012 07:22:33 148.66.98.174 Report to Moderator	Re: 580b tilt cylinder gland nut in reply to davenag, 09-14-2012 05:17:21   What Gary said.....look for a locking setscrew. Allan [Reply]  [No Email]
rufus80 09-14-2012 05:38:22 174.231.153.222 Report to Moderator	Re: 580b tilt cylinder gland nut in reply to davenag, 09-14-2012 05:17:21   If I remember right the barrel to gland seal, o-ring, is to the front of the threads. But you are right about the polyurethane seals melting, it you get it to hot the rod seal and wiper will melt and it is a mess to clean out once hardened. [Reply]  [No Email]
greygoat 09-14-2012 05:28:59 184.158.33.127 Report to Moderator	Re: 580b tilt cylinder gland nut in reply to davenag, 09-14-2012 05:17:21   Poly type seals could melt..then harden into a mess that you may never clean out..and jam the threads permently. [Reply]  [No Email]
davenag 09-14-2012 05:34:53 192.249.47.180 Report to Moderator	Re: 580b tilt cylinder gland nut in reply to greygoat, 09-14-2012 05:28:59   What would you suggest instead of heat? [Reply]  [No Email]
rufus80 09-14-2012 05:24:16 174.231.153.222 Report to Moderator	Re: 580b tilt cylinder gland nut in reply to davenag, 09-14-2012 05:17:21   You could use a little heat, just watch you don't get it super red hot. One question, has the port on the cylinder ever been rewelded? I have seen a lot of case cylinders that the port cracks and has been rewelded and it warps the barrel. [Reply]  [No Email]
davenag 09-14-2012 05:33:40 192.249.47.180 Report to Moderator	Re: 580b tilt cylinder gland nut in reply to rufus80, 09-14-2012 05:24:16   Thanks for the reply. I will check to see if the port has been welded. [Reply]  [No Email]
IaGary 09-14-2012 05:23:14 108.160.229.48 Report to Moderator	Re: 580b tilt cylinder gland nut in reply to davenag, 09-14-2012 05:17:21   Some glands may have a set screw to lock them in place. I think you would have seen that by now. Push the piston in and heat it up. I would cool it back down with water quickly before trying to turn to avoid galding the threads. Heating then cooling should loosen it up. Gary [Reply]  [No Email]
davenag 09-14-2012 05:31:36 192.249.47.180 Report to Moderator	Re: 580b tilt cylinder gland nut in reply to IaGary, 09-14-2012 05:23:14   Yes, I did remove the set screw. Thanks for the heating/cooling tip. I assume your suggestion to push the cylinder in is to avoid damaging the chrome plating while applying heat to the cylinder housing? [Reply]  [No Email]
VicS 09-14-2012 18:34:16 70.195.1.3 Report to Moderator	Re: 580b tilt cylinder gland nut in reply to davenag, 09-14-2012 05:31:36   Heating it is not a big deal, I had mine in a vise and heated the barrel just a little while putting pressure on the wrench. Came off in a flash, just burned the paint a little. Never got hot enough to melt any of the seals. I have changed all of the cylinder kits once and some of them twice. [Reply]  [No Email]