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Old 06-21-2021, 03:28 AM   #1
Jess_MI
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Join Date: Jun 2021
Location: Waterford
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Blown hydraulic cylinder- Montana 3121RL

I have a Montana 3121RL and it is currently stranded at the campground. We were pulling in the slides and blew a hydraulic cylinder. 2 of the 3 slides came in with no problem then when retracting the 3rd slide the cylinder blew. I am unable to get the slide the remaining way in and the jacks are stuck down. We are a handy family and familiar with mechanics. We attempted to add more fluid to try to get the jacks up but as we put fluid in, it came right back out. Without hydraulic fluid we cannot even manually retract the jacks. Any ideas on what I can do?
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Old 06-21-2021, 04:40 AM   #2
ChuckS
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Location: Mountain Home, Idaho
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you can manually push that hyd slide out in with a couple of people ... maybe..

the six point hyd leveling feed extend lines are ENTIRELEY separate from the hydraulic slide out circuit...

You CAN retract those hyd leveling legs and you should not loose fluid under pressure out of the leaking hyd slide out cylinder because NO fluid is routed past Hydac valve fir the slide outs.

Unless you happen to be carrying a couple of JIC37 plugs and caps the block off the return hyd line for that cylinder at the manifold itself cant think of any other way to offer advice
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