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Old 06-13-2011, 08:07 PM   #57
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Drivemach1,
Before changing hoses, see if you can take the black knobs off the ends of the solenoids and just swap the solenoids that sit on the valve stem. I know on the three point leveling system, this would work. I can't tell from your post if you have a 3 point or a 4 point system. This might or might not pertain to a 4 point system.
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Old 06-14-2011, 10:50 AM   #58
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Fixed the problem

The four hoses were labeled "Passenger rear",Driver front" etc. Since the right front and the left rear pistons came down when I tried manual right extension, I figured it was the rear ones that were connected wrong. Luckily, there were wiring harnesses. I was able to simply unplug and swap the two rear ones. Voila - a level motorhome.
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Old 07-04-2011, 08:18 AM   #59
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When will LCI find a permanent fix for their leaking seals? I also have a 2011 Monaco Cayman. deSanford
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Old 07-05-2011, 01:54 PM   #60
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I just received a replacement LCI pump, triple manifold, and they have done some good redesign work. The long unsupported reservior has been replaced with a much shorter tank. It's a bit wider and the best part is that it's mounted to a bracket that supports both the manifold and tank. I hope they also uncovered what the problem is with their seals going.
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Old 12-30-2011, 09:53 AM   #61
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Oil Type - ATF vs HD46

The Lipper manual and several posts suggest using ATF oil. My Monaco Secpter manual says to use Texaco Rando HD46 Hydraulic Fluid.

I'm inclined to follow the Monaco manual, however to date I've not found this fluid in the Phoenix area. I did find another brand in a 5 gallon size.

Thoughts or suggestions?

Also thanks for the many posts on the leaking pump problem. My pump motor no longer works and oil is leaking from the motor. Hopefully LCI will replace the entire pump.
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Old 12-30-2011, 01:40 PM   #62
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Don't forget who warrants the product, it's LCI not Monaco. So, I'd recommend following LCI's requirements. BTW, LCI did a redesign. The new tank is shorter and wider. The tank and motor are both mounted to a bracket that better supports the tank.
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Old 12-30-2011, 02:50 PM   #63
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Good point about the warranty which is right at the end of 2 years.

Are ATF and HD46 compatible so that I can just add ATF?
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Old 12-30-2011, 03:57 PM   #64
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Your Lippert pump reservior has ATF not Rondo 46. This was discussed in another forum. Monaco is likely stating the use of Rondo 46 in the hydraulic reservior for the engine driven hydralic pump. Hydraulic fluid is more expensive than ATF so why use it when it's not reqired. FWIW, I understand that hydraulic fluid has more anti-wear qualities than ATF.
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Old 12-30-2011, 11:15 PM   #65
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I received a "recall" from Monaco about the Lippert coupling seal from the motor to the pump. Lippert sent me the new "IMPROVED" coupling seal unit and I had it installed at Lippert's expense. If you purchase it from Lippert it is only $11.00 or so. Good piece of mind having the latest ANTI LEAK fix so oil doesn't leak out the motor etc.
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Old 12-31-2011, 08:49 AM   #66
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Oil Type, etc

The Monaco manual is clear to use HD46 for the slide pump (and also for the engine powered hydraulics). I'm going to check with Monaco and get their input on the difference with the LCI manual.

Since the pump motor doesn't work (it's getting 12V and has oil inside) I won't know until it's cleaned up if it's any good or can be rebuilt. But my goal is to get the entire pump replaced.

Napa has a different brand of HD46 for $48/5 gal. That would certainly leave plenty of oil for servicing the engine hydraulics.
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Old 12-31-2011, 08:59 AM   #67
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Manual Retraction of the Slide

The Monaco manual and LCI manual both say to use a Allen wrench on a drill to retract the slide.

My pump does not have a a recess for a Allen wrench. Instead there was a right hand thread bolt that required removing the metal cover to get a socket on it.

And so with the control valve set and turning it CCW to retract - you know what happened. Yes the nut came off and there is no way to secure the shaft to tighten the nut. Basically it's an unusable design to retract the slides. A smaller nut or larger opening for the socket with a left hand thread nut would have solved the problem.
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Old 12-31-2011, 09:38 AM   #68
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All 3 LCI pumps that have been in my RV had the allen socket. Yes, I have had 3 pumps. The second began leaking pretty quickly. I really like the new design -- tank and mount.

When did LCI make the new seal available and do you have the part number?
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Old 12-31-2011, 01:01 PM   #69
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CA Traveler: If you check my last posting under the topic title of:Lippert Hydraulic Pump - Help you will note my comment about the threading on the nut used to retract the slide manually not being reverse thread on one of my pumps. My suggestion is to test yours while it still works to know if you'll be able to retract the slide manually or have to wait until you get a new pump. Better to know now then be stuck some place waiting for a new pump to retract the slides if yours fails.

Quality control on use of motors made in China not good. Not sure who's at fault Lippert or manufacturer of motor. Both of the motors have the same Serial Number.

Can someone tell me how in the future I can just include the link in my response that will take you to another thread making it easier for the user to go to it? Thanks
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Old 01-01-2012, 11:02 AM   #70
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My pump started a slow leak as well. On closer examination, the leak is coming from the tank/manifold interface. This does not threaten the motor; just loses oil. I talked to LCI in detail and got a very long and detailed explanation on how to fix this. The guy I talked to was a former Monaco rep and really knew his stuff.

In short, we determined this is a newer pump so there is no replacement for it. Instead, we will tear down the pump, clean the pump/manifold junction, used hi-temp Permatex along along with the "O" ring, and re-install it. We will also build a support under the long tank to help relieve the stress.

After reading Happycarz excellent article, we will also replace the oil seal, as long as we have it open anyway we might as well be pre-emptive.

Hopefully that will solve our oil leak problem.

== John
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