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Old 10-19-2013, 01:12 PM   #1
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Location: Fremont, CA
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2007 40" QSP Bus - HWH Jack Problem

My HWH jacks are not extending on the passenger side. On a previous occasion the Bus did not feel, nor did it appear level. This last time out once again it did not appear or feel level. I did take a level to the inside in several places and it measured level according to the bubble. But nevertheless it did not feel level. I looked underneath and the two passenger side jacks had not extended. They were in the stored position. I hear things about solenoids dying etc. Anyone have any thoughts or ideas on why two jacks one one side would quit simultaneously, and what I can check before I run it into the shop? Thanking you in advance
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Old 10-19-2013, 03:22 PM   #2
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did it go to excess slope? were all of the yellow lights out when the pump quit running?
can you run them down manually? it appears to be either some fuses in the control box are blown, or those two solenoids are bad.
you wont know without a led guide and a service manual to check for correct sequence of operation.
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Old 10-20-2013, 08:18 AM   #3
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Location: Montgomery, AL
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I would check the fluid level first as PS are the last to extend. It seems strange that two solenoids would fail at the same time. If they can't be manually extended then I would start the trouble shooting for fuses and then solenoids.
Mel (Melanie) and Harry
2009 Tiffin Phaeton 40QTH
2014 Jeep Wrangler Sport
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Old 10-20-2013, 11:11 AM   #4
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Location: Anacortes, WA (Stick & Brick)
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I'd heard of many people having problems determining an accurate datum for "level". When we bought our gently used 32-footer, one of the first things I did was to get a couple of those stick-on levels.

I parked on our almost level driveway, put a carpenter's level in the bottom of the fridge, and fiddled with the jacks until is was exactly level , both fore/aft and left/right. I then stuck the the bubble levels in places readily visible when I'm in the driver's seat working the jack controls.

I dislike the auto-level action, so never use it. I try to find a reasonably level site to start with and then just use minimum extension of the jacks to get the rig firmly grounded (not swaying on the suspension when we move about the house).

My control panel is set up with the jacks in pairs (front, back, left side, right side), so it can get a bit messy sometimes.

The only problem I've had in three seasons is that the right rear jack is sometimes very slow to come down.
Frank Damp -Anacortes, WA,(DW- Eileen)
ex-pat Brits (1968) and ex-RVers.
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Old 10-22-2013, 11:20 AM   #5
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try cleaning the silver shaft with wd40. this should be done about every three months if you live along the coast, or in a high humidity area. you will notice a great difference.
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