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Open Roads Forum  >  Class A Motorhomes

 > How to fix leak in hydraulic hose for levelers?

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kplender

Denver

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Posted: 04/19/10 08:54am Link  |  Print  |  Notify Moderator

Saturday, when lowering the jacks (Power Gear), I blew a small hole in the hydraulic line/hose and it "shot" oil everywhere. I cleaned it up and found the hole. It is in the rubber hose about 4 inches from the metal connector that actually screws onto the jack (the passenger side rear jack). What is the best way to fix this? Do they make a "splice" that can be inserted to connect 2 ends of the rubber hose after I cut out the part with the hole in it? I would think the best way would be to cut the hose about a foot from the connector, get a new 1 foot piece of hose, get new "end connector" and splice the 2 ends of the rubber hose together (again, if they make such a thing). Let me know what you think. Thanks.


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bsprague

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Posted: 04/19/10 09:01am Link  |  Print  |  Notify Moderator

I had a slide out hose pop a hole where it was rubbing on the frame. Under warranty, the Monaco shop in Wildwood, FL put in a splice. It was in a very awkward location so the tech didn't have a lot of faith he got it installed correctly. He was right because it failed again the next day. They ran an entirely new hose rather than attempt a second repair to the first.


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rvten

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Posted: 04/19/10 09:05am Link  |  Print  |  Notify Moderator

If you can remove the hose. Take it to a farm implament dealer or a NAPA dealer. They can make you a new hose. One piece no patch.


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wolfe10

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Posted: 04/19/10 09:05am Link  |  Print  |  Notify Moderator

It could be spliced that way, but I would remove the jack end of the host and take it to your local shop that makes hydraulic hoses.

My preference would be to have a hose made up with the same end as attaches to the jacks at one end and a splice at the other end.

But, this is what they do for a living. Cut off the hose from split and unscrew from the jack and ask for their recommendation.


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Rex & Shirley

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Posted: 04/19/10 09:43am Link  |  Print  |  Notify Moderator

Hydraulic systems operate up to 3,000PSI so a "splice", while doable, still would require the complete hose to be removed and the correct fittings crimped into the hose. No hydraulic shop I know of will do that. If the hose blew once w/o a chaffing problem, it will just blow out again in another location. It's at the end of its life.


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Posted: 04/19/10 09:46am Link  |  Print  |  Notify Moderator

You don't splice or repair hydraulic hoses!!
Can it be done? Sure, but you are inviting another mishap, and you could be responsible for a very costly (fines, etc) oil spill. You don't have to be the EXXON VALDEZ to have an oil spill.

The price of a new hose.....and the thought that the other hoses may be in similar condition, and should be replaced, is well worth the investment!

Keep in mind, hydraulic hoses, like any rubber products (tire, hoses, belts) have a shelf-life, and should be replaced after a certain period of time.

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Posted: 04/19/10 10:31am Link  |  Print  |  Notify Moderator

Very good advice so far... replace the hose...splice will not work satisfactorily. If one part failed, another is close behind. These are HIGH PRESSURE hoses, unlike a garden hose. The hose must be removed anyway. Think of it this way...one hose two fittings. Splice will require four fittings. Which do you think is more expensive---one piece of hose and two fittings or one piece of hose and four fittings....do it right!..JMHO.....Dennis


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Jim&Peg

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Posted: 04/19/10 11:01am Link  |  Print  |  Notify Moderator

Replace the hose is the only way. Be very careful around high pressure oil leaks. A tiny squirt almost invisable has enough power to penatrate the skin and cause blood poisioning - very bad news.

Ivylog

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Posted: 04/19/10 12:38pm Link  |  Print  |  Notify Moderator

A gear pump will only puts out about 2200psi, not 3500. If there is enough slack in the line I'd cut it near the hole and put on a AeroQuip screw on high pressure fitting (which I have). They are hard to find today as most just make hoses with crimp fittings. If you can get the hose out, it's probably better to just have a replacement made with all new.
Need to add some of mine to the MH spare parts list as a just in case. Thanks for making me think of this.


This post is my opinion (free advice). It is not intended to influence anyone's judgment nor do I advocate anyone do what I propose.

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rgatijnet1

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Posted: 04/19/10 12:55pm Link  |  Print  |  Notify Moderator

I have seen this happen often on construction equipment. What we usually would do is clean the hose and put one of those stainless steel hose clamps over the hole and tighten it. Use a hose clamp of the size that will allow you to put the solid portion of the clamp over the hole, instead of the slotted portion.
Obviously this is not a long term solution but it saved us quite often on the construction site.

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