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Hydraulic cylinder replace or rebuid


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Well my slide out cylinders are all 3 bypassing. Bedroom is worse. It is steady stream. Likely why bedroom is giving most trouble.  Not to be unexpected on a 2003 I reckon. Now all I read is $300.00 each. I am steady working so that not a problem but I am a cheapskate by nature. Locals are rebuilding but not priced yet. Your thoughts. 

2003 Teton Grand Freedom towed with 2006 Freightliner Century 120 across the beautiful USA welding pipe.https://photos.app.goo.gl/O32ZjgzSzgK7LAyt1

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Usually when cylinders leak it is just seals (O rings) leaking.  Cylinder rebuilding is probably cheaper.  You could do it yourself.   There are YouTube videos on how to do it.  The local hydraulic shop often has the seals needed.  There maybe kits available also.  I had some of the cylinders on my heavy equipment rebuilt but I don't do many of those because they are so big and heavy.  I have to use a lift just to remove them.

Randy

2001 Volvo VNL 42 Cummins ISX Autoshift

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Before you replace or rebuild them make sure your check valves at the pump aren't leaking by.

Denny

Denny & Jami SKP#90175
Most Timing with Mac our Scottie, RIP Jasper our Westie
2013 F350 SC DRW 6.2 V8 4.30 Gears
2003 HH Premier 35FKTG Home Base Nebraska

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1 hour ago, D&J said:

Before you replace or rebuild them make sure your check valves at the pump aren't leaking by.

Denny

Ok. Just what procedure one use to test that. Checking cylinders easy. Just remove hose and run pump. 

2003 Teton Grand Freedom towed with 2006 Freightliner Century 120 across the beautiful USA welding pipe.https://photos.app.goo.gl/O32ZjgzSzgK7LAyt1

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1 hour ago, Randyretired said:

Usually when cylinders leak it is just seals (O rings) leaking.  Cylinder rebuilding is probably cheaper.  You could do it yourself.   There are YouTube videos on how to do it.  The local hydraulic shop often has the seals needed.  There maybe kits available also.  I had some of the cylinders on my heavy equipment rebuilt but I don't do many of those because they are so big and heavy.  I have to use a lift just to remove them.

This brings to mind my teenage years rebuilding a cylinder. Working part time for heavy truck shop locally. Removed cylinder from a big dump truck. Could not get that ram out. Finally owner comes over. Tells me to lock down in this vise and aim at roll up door opening. Put air to cylinder. That ram took flight. Went slap to neighbor yard. Owner stated "good shot". I had forgotten why I never rebuild one again.

2003 Teton Grand Freedom towed with 2006 Freightliner Century 120 across the beautiful USA welding pipe.https://photos.app.goo.gl/O32ZjgzSzgK7LAyt1

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19 minutes ago, GlennWest said:

Ok. Just what procedure one use to test that. Checking cylinders easy. Just remove hose and run pump. 

On my Monarch pump I just remove and clean them.

Denny

 

 

 

 

Denny & Jami SKP#90175
Most Timing with Mac our Scottie, RIP Jasper our Westie
2013 F350 SC DRW 6.2 V8 4.30 Gears
2003 HH Premier 35FKTG Home Base Nebraska

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My pump is a DeWald. I will have to look that up. Mine moves slides but never build pressure at end of stroke. But bedroom cylinder has flow bypassing on it when I tested. Other two some bypassing. 

Edited by GlennWest

2003 Teton Grand Freedom towed with 2006 Freightliner Century 120 across the beautiful USA welding pipe.https://photos.app.goo.gl/O32ZjgzSzgK7LAyt1

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On 3/14/2022 at 12:20 PM, D&J said:

On my Monarch pump I just remove and clean them.

Denny

 

 

 

 

Mine doesn't have check valves. The electric control unit does. I do have 3 valves that operate each slide. Bypasses fluid I believe. Called a manual jack valve. Trouble shooting stated to swap out suspected slide one with a good working slide. Try that tomorrow

2003 Teton Grand Freedom towed with 2006 Freightliner Century 120 across the beautiful USA welding pipe.https://photos.app.goo.gl/O32ZjgzSzgK7LAyt1

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I may not work on it this weekend. Got a bad head cold and been rather under the weather for a few days. Been fabbing pipe for the shutdown and kept working. They really could not do with one of us out. So recuperating today. Big shut down of plant to install this pipe. Long hours so better get better.

Edited by GlennWest
spelling

2003 Teton Grand Freedom towed with 2006 Freightliner Century 120 across the beautiful USA welding pipe.https://photos.app.goo.gl/O32ZjgzSzgK7LAyt1

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  • 4 weeks later...

Job turned in 12 hr days, 7 days a week. So didn't get fixed. I actually had to to use a come a long to get slides closed. Had to move to new location Sunday. Did manage to get here just before dark. Started with plenty of time to spare. Oh well, have RV will have trouble. Lol. Will get those rams replaced here. Got slower pace here. 

2003 Teton Grand Freedom towed with 2006 Freightliner Century 120 across the beautiful USA welding pipe.https://photos.app.goo.gl/O32ZjgzSzgK7LAyt1

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