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General Discussion of preventative/corrective maintenance and other technical issues regarding your coach that are not covered in other Mechanic's Corner categories (ex. refrigerators, water heaters, and compressors).

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  #1  
Old 12-17-2015
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yesmar yesmar is offline
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Default Help..HWH jacks will not extend

I have just reinforced the premise that a wrench in my hand is detrimental to my bird.

Read, why read instructions? Boldly go where you have not been. I did and I paid with a big mess to clean up.

I got my jack back from being rebuilt. The guy said I will install it for you. We installed it. He nor I had ever installed a jack before, and it showed. It will not extend.

I call Randy and he asks if I checked the reservoir. Of course I had not. I find the tank and it is empty. I buy a case of AT fluid and start pouring. I quit when it registered full. I try to extend the Jack and no luck, so I hit the retract button. Then the reservoir erupts and I have fluid every where and a big mess. I pull the coach out and I clean up. I called for my wife to help. She took one look and without a word, she left. You need to check to see if the jacks are retracted before you fill your tank.

Now I try and try and all jacks work except this one. I then call John W. He thinks I may have an electrical or connection issue. I look as best a fat and immobil boy can, but I can not tell.

I notice that when I attempt to drive the coach, the HWH pad is showing the jack that we installed is showing that it is extended and the very bottom warning light is on with the buzzer buzzing.

What have I done wrong and how can I tell?

I want to thank Randy and John for their assistance. They helped a lot. It is difficult to diagnose something from afar. What both told me is correct.

Could I have reversed some wires as was suggested? Is it that simple?
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Yesmar@fairpoint.net
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1994 Wanderlodge (sold)
2000 LXI (sold)
1993 Wanderlodge(Sold)
2004 M380 (FOR SALE)
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  #2  
Old 12-17-2015
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KCSS KCSS is offline
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Quote:
Originally Posted by yesmar View Post
I have just reinforced the premise that a wrench in my hand is detrimental to my bird.


I notice that when I attempt to drive the coach, the HWH pad is showing the jack that we installed is showing that it is extended and the very bottom warning light is on with the buzzer buzzing.

What have I done wrong and how can I tell?
I want to thank Randy and John for their assistance. They helped a lot. It is difficult to diagnose something from afar. What both told me is correct.
Could I have reversed some wires as was suggested? Is it that simple?
If I am not mistaken there is only one wire to the jack. (It is so on my coach). It completes he ground circuit within the jack housing which turns on/off the indicator light & most likely the buzzer. It is entirely possible the rebuilder did not replace this tricky little spring loaded mechanism correctly. When the jack retracts the inner piston contacts and bends this spring, opening the circuit (by disconnecting the ground)
I don't believe that is happening
Then again, what duzzino
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  #3  
Old 12-17-2015
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If not mistaken the Bragdon Coach has two wires on each piston. When we removed them there was a large bundle of wires at the top of each jack. There was enough wire to reverse the connections. not sure how Mark knew which went where. There is a connection at the top of the jack and one near the bottom along the side.
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  #4  
Old 12-17-2015
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Default You maybe right

There is one wire that connects to the Jack. However, there appears to be two wires that connect to this one wire.

Thanks my friend. Also, thanks for helping Charlie McKeenan. He really appreciated you insight and help
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Richard Ramsey,

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1994 Wanderlodge (sold)
2000 LXI (sold)
1993 Wanderlodge(Sold)
2004 M380 (FOR SALE)
1997 Marathon
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Old 12-17-2015
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Thanks Rick. In the picture, I think they could be reversed where the two wires become one. It seems like a smart engineer would have changed each plug so that this could not happen.

Thank my friend

Stop by this spring or winter
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Richard Ramsey,

Yesmar@fairpoint.net
Eight 5 zero four four 7 one 7 zero zero
1994 Wanderlodge (sold)
2000 LXI (sold)
1993 Wanderlodge(Sold)
2004 M380 (FOR SALE)
1997 Marathon
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  #6  
Old 12-17-2015
marvjeanm380 marvjeanm380 is offline
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I don't think you can plug that connector together incorrectly. I could be wrong but I don't think so.
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  #7  
Old 12-17-2015
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Quote:
Originally Posted by marvjeanm380 View Post
I don't think you can plug that connector together incorrectly. I could be wrong but I don't think so.
I tend to agree with Marv. Plug should only go one way. I would run Jacks up and down several times and see if possible air intrusion could be purged. If not, I would lean towards a problem with the jack rebuild as KC. Suggested .
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  #8  
Old 12-18-2015
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Hi Richard,

I’m not sure about a 93 WB but some models have a “travel warning switch” and a “pressure switch” on each leveling jack.

I would take a close look at a “working” leveling jack to see if it has one switch or two switches and to see how it’s wired. That may give you a clue as to what’s wrong with your non-working jack.

Be careful under there!
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  #9  
Old 12-18-2015
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I just printed out the manual and it appears to be 1 of 3 things.

1. Warning switch bad.

2. If replacing the warning switch does not correct, then the magnet in the jack is bad.

3. The wire to the jack warning switch is shorted to ground.

We unplugged the wires at the jack and now the travel light comes on and the Jack down light is out along with the level warning dash light and the buzzer is off. With the wires unplugged, the jack will not operate, but now I can drive it without that buzzer buzzing.

Thanks for the help. I will get this thing solved in the near future. Now I have another reason to go to the Clearwater rally. However, that will be cutting it close. I am not suppose to drive for at least 2 weeks after my hip replacement.
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Eight 5 zero four four 7 one 7 zero zero
1994 Wanderlodge (sold)
2000 LXI (sold)
1993 Wanderlodge(Sold)
2004 M380 (FOR SALE)
1997 Marathon
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  #10  
Old 12-18-2015
rrueckwald rrueckwald is offline
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I'm having a similar problem. Left rear jack would only go down halfway. Sometimes works. Manual extension not working consistently. The manual says this fault is due to bad pressure switch. Had Parliament get pressure switch and install today. Jacks worked great. Back to the park, still the same old problem.

Next? Red the manual again and look for the next cause. I think it is a bad valve somewhere as I was able to get it to move manually, but only very, very, very slowly whild the pump was singing away.
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