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Old 06-30-2016, 11:27 AM   #1
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Two tire changing questions

I'm about to replace a worn tire (curbside rear) on our 2004 25-foot Safari. Should I raise the stabilizers before I jack the trailer up? And there seems to be a center hub on the wheel. Should it come off?
Thanks!
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Old 06-30-2016, 11:46 AM   #2
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1.) I would raise the stabalizers up so there is no unintended stress on them if the jack slips.
2.) The chrome center hub comes off from the back side of the rim. Push it out and put it on the good wheel.
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Old 06-30-2016, 11:52 AM   #3
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Thank you!
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Old 06-30-2016, 12:17 PM   #4
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Now I have, apparently, another question. What size jack should I use to jack up my trailer? It weighs over 5,000, I'm using a two-ton jack on the ass-umption that I don't need a three-ton because I'm not jacking up the entire weight of the trailer. But the two-ton won't hold it up. It starts edging back down as soon as I stop pumping, even though the jack is brand new and I have the release valve tightened as much as I can.
I would hate to have to lug around an extra three-ton jack just for the trailer tires....
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Old 06-30-2016, 12:30 PM   #5
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I carry a 8 ton bottle jack sounds like you jack needs the air to beed out of it .
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Old 06-30-2016, 12:32 PM   #6
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How do I bleed it?
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Old 06-30-2016, 12:37 PM   #7
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If you're using a hydraulic floor jack of any kind and it's drifting back down, then you're probably maxing it out, When you are ready to put your wheel on, the lug nuts should be torqued to around 120 ft. lbs. on each nut. It would be a good idea to use a jack stand if you're going to put your legs under the axle area. Block your other wheels where you can.
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Old 06-30-2016, 12:45 PM   #8
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Since you have a tandem axle coach you can use a ramp on the opposite axle. Much safer for you and the coach. Always raise the stabilizers before you even operate the tongue jack or any lifting device.
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Old 06-30-2016, 12:59 PM   #9
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Agree with twinkie. To change one tire on a tandem trailer, why use a jack at all? Just pull the other tire on that side onto a few blocks and the "bad" tire will be off the ground. As long as you have chocked the tires on the opposite side, there is little chance of the trailer falling. It's just a safer way to do the job.
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Old 06-30-2016, 01:17 PM   #10
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Quote:
Originally Posted by StreaminGeo View Post
I'm about to replace a worn tire (curbside rear) on our 2004 25-foot Safari. Should I raise the stabilizers before I jack the trailer up? And there seems to be a center hub on the wheel. Should it come off?
Thanks!
A question comes to mind. Why would one tire wear out? I can only think of a few reasons, axle bent, axles out of alignment in which case you would think two tires would wear out, a defective tire, mis-matched tires or maybe something else I haven't thought of. Is it time to replace all 4? If they are older than 6 or 7 years the answer is probably yes.

Regarding your other question, my rule of thumb is carry a bottle jack with capacity equal to your trailer weight and wooden blocks to augment the height if the screw out part isn't long enough plus one to put next to the trailer unless A/S provided a jack point.
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Old 06-30-2016, 02:05 PM   #11
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I have 2 axels on my 27 ft. FC. I have only had one flat - spike thru the tire. Used my Camco 21 Yellow Trailer Aid (ramp) - simple and easy. Don't even think of a jack - too many issues that could be dangerous for you and/or the trailer.
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Old 06-30-2016, 02:38 PM   #12
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I use a 6 ton bottle jack with a special saddle for an Airstream. Would be well worth getting a saddle made. The saddle consists of a 2 inch long piece of u-channei wide enough to span the frame between the wheels with 1 inch of tubing to hold the bottle jack head welded to the flat side of the u channel. Jack goes between the wheels and lifts one side almost without effort and it is rock solid. The saddle cannot slip from the frame and the jack cannot come out of the tube. The 6ton jack is only slightly heavier and about the same price as the smaller ones.
I carry the jack in my truck. Had to use it this week to get unhitched. Parked in a spot at Lewisburg and had to jack the hitch up to get the pedestal under the jack post.
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Old 06-30-2016, 02:39 PM   #13
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+2 on what twinkie said. Put one set of wheels it up on some boards, the orange egg crate levelers if you have them etc.. Makes for a very safe way to get a wheel off the ground. That is the way I always work on mine. Two wheels at a time when I do a brake job or tire work.

I keep one of these Trailer Aid ramps in the trailer for emergencies. However, at home I use 12 X 2" boards with my levelers on top (the boards are because I work on it on a gravel surface). Very stable. If possible, I keep the truck hooked up to it too.
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Old 06-30-2016, 03:02 PM   #14
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A brake assembly out of adjustment could cause significant tire wear.
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