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Old 04-05-2016, 11:08 PM   #15
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An easy experiment would be to chock the front wheels, dis-engage the parking brake, then try raising your coach. (Assuming your jacks will deploy with the parking brake off.)

This will allow the rear wheels to roll freely so as the rear suspension drops down (coach rises), the coach does not roll backwards.

This should eliminate the jack pads from sliding across the surface.

The only thing this will tell you is if the noise is being caused by the suspension geometry.

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Old 04-06-2016, 07:43 PM   #16
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Originally Posted by azpete View Post
even the straight acting jacks slide forward on the spartan chassis. when the jacks are deployed, the rear end rolls up. when the jacks are retracted, the rear end rolls down, and the movement is noticed. it slides the coacj and the jacks forward sometimes 6 to 7 inches
. this is a common happening with this chassis. i believe there is no fix for it. it does no damage unless you park it facing a wall real close. most spartan chassis owners will confirm this action
.yes its noisy, and alarming when you dont expect it, but it does no harm as far as i have seen.
I posted about this problem 2 years ago, and received this explanation. It's true. A friend told me his Essex on a K3 chassis did that too. He said if he dumps air manually prior to employing the HWH jacks it does not do this. It's the geometry of the spartan chassis.

FWIW, my air bags will not inflate with jacks deployed, that is the design per my HWH manual.

2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA 1SG, retired;PPA,Good Sam Life member,FMCA."We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert the Constitution. "Abraham Lincoln"
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Old 04-06-2016, 09:22 PM   #17
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Location: Spicewood Texas (West of Austin)
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We get the same thing with our MADP and K2 chassis. It seems worse, the more the jacks have to extend for leveling. I would trust what azpete says since he is a HWH Rep.

Scotty and Kristen, Airedales Dagny and Wyatt
2007 Newmar Mountain Aire 4528, 450 HP ISM, Allison 4000, 8 Trojan T-105's
2014 F150 4x4 Crew Cab Platinum 157" WB
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chassis, hwh, jacks, spartan

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