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Old 07-26-2013, 12:38 PM   #1
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I have a 1997ish 32ft Sierra and a 2005 34ft mallard liberty on both the door opens and closes fine with no rubbing when they sit on the tires prior to leveling. However once I get the trailers leveled with the jacks they start to stick as if not level. First I thought it was due to frame lag on the old one due to the (relatively) light square tubing frame but the newer one has a much heavier I-beam frame so there shouldn't be any sag. Any ideas?

1996 M-310BH 32ft Sierra by Cobra 2005 M-280RLS 34ft Fleetwood Mallard Liberty 2012 Toyota Tundra Reg Cab Short Bed, 5.7L V8, 4x4
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Old 07-26-2013, 08:31 PM   #2
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You nailed it! Frame sag. Virtually every RV mfgrs. trailer has an under-sized frame and axles. It is called "cost-cutting measures".

Keep in mind the rear stabilizers are not to level the trailer, that is done with blocks under the wheels and front jacks. The rear stabilizers are only to reduce excessive movement. After they contact the support block or the ground, 1-2 complete turn of the screw is enough, more puts too much stress on the mechanism and can bow the frame up in back. (ie: remove it's natural bow)

2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA 1SG, retired;PPA,Good Sam Life member."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 theConstitution. "Abraham Lincoln"
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Old 07-29-2013, 04:12 PM   #3
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Learned something new! I though the jacks were to level it and get it level,not just remove excess movement
1996 M-310BH 32ft Sierra by Cobra 2005 M-280RLS 34ft Fleetwood Mallard Liberty 2012 Toyota Tundra Reg Cab Short Bed, 5.7L V8, 4x4
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