Putting Tires on? - Page 3 - Fiberglass RV


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Old 06-20-2012, 12:17 AM   #29
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Name: Shelley
Trailer: '73 Boler
Vanderhoof, BC
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Originally Posted by Jeff Richardson View Post
Shelley

I had the same problem when I had new Carlisle 175/80-13 ST trailer tires put on my original 1977 Scamp rims. I could not get the wheel on the hub because the tire was jammed against the inside of the fiberglass body. The tire store would not remount the 14 year old passenger car tires back on my rims.

I now had a trailer in the garage stuck up in jack stands. At the very least I needed to move the trailer out of my garage. I let the air out of the new tires. They are very flexible when you to that. They went right on the axle.

I have a 5 hp air compressor in the garage so inflating the tires is not a problem at home. I then carried a 12 volt air compressor with me whenever I went camping just in case I had a flat tire on the road. Getting the flat tire off the trailer would not be a problem but I would have to inflate the spare tire once it was on the axle. I never had a flat tire but I was prepared.

I put a new Flexiride axle underneath my Scamp this spring and it is now about 4 inches higher that it was. The tires go on the axle without any interference from the body.

Here are pictures of my Scamp with the original axle and the new one.

I hope this helps,

Jeff
Thanks for the info Jeff. Wish I had chatted with you before I went ahead and bought these tires! You sure can see the difference in the before and after. No wonder you had issues. I wonder if you (or anyone else) might be able to tell me the starting angle of the suspension arm? And did you get a trailing arm or leading arm axle?
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Old 06-20-2012, 12:28 AM   #30
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Name: Shelley
Trailer: '73 Boler
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Originally Posted by Thomas G. View Post
It sounds like the issue is the new tire and wheel won't fit between the outer wheel lip and the hub.

What size tire was on the old rims? If the new ones are close, it seems possible that you can finesse the new tires and wheels into place as a temporary measure, but if the arm doesn't drop when you jack up the trailer, the axle is clearly in need of replacement.

Maybe you can deflate the tire and reinflate it in place. If that works, check for clearance above the tire - you can't have it scraping the wheel well.
Yes - that is exactly the problem we are having. The old tires were tiny little 155/70s (I think) on 13" rims - one original offset and another a 5 on 4 1/2 with no offset. We started to deflate and got rained out. Good idea and will likely do this to move the trailer under cover and remove the shell from the frame.

Our axle arm definitely did not drop at all when we jacked the trailer up.
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Old 06-20-2012, 12:32 AM   #31
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Originally Posted by Des Nolan View Post
Hi Shelley,

At what point are you jacking up your trailer? The original instructions with our 1977 Boler says to do it at the bumper "place your car 'bumper jack' on the bumper). This lifts the body and the wheel dangles somewhat.

We recently replaced 13 ST 175/80R13 G/Y 6P Marathons (yours are radial are they not?).

Yes, it does take a bit if wiggling to get the tire into the wheel well, but ours then fits -- granted, with only millimeters of space, tire to fiberglass shell.

Good luck.

Des
We jacked it up on the frame just behind the wheel. Our back bumper is a wreck and needs to be replaced. Not sure we could find a solid enough spot to jack it on! We also have both sides jacked up at the moment so both tires are in the air. I honestly have no idea if our tires are radial. Where do I find that info? They are the same numbers as what you listed but not sure the brand or what G/Y 6P means. I will go check in the morning.
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Old 06-20-2012, 12:34 AM   #32
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Originally Posted by Thomas G. View Post
Looking at the rest of the pictures, I can see that it is an older unit and I can understand her reluctance to spring for a new axle. But that said, you can't have an unsafe situation.
You are absolutely right and it's not simply reluctance - I just honestly can't afford to spring for a new axle. It's a 1973 Boler. I love it and I am so excited to get it on the road, but if it has to wait, then it has to wait as I don't want to take something unsafe on the highway. It's not worth risking anyone's lives over
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Old 06-20-2012, 12:36 AM   #33
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Originally Posted by David Tilston View Post
Shelly,

A new axle, with brakes is ~$400. Installation is extra. You will need a welder.
Thanks David. We are sussing out someone to inspect and repair our frame.
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Old 06-20-2012, 12:37 AM   #34
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Try deflating the tires to install the wheels on the trailer. It might work and you have nothing to lose.
Roger that! I think I will do it tomorrow after work. Sure takes a long time to deflate them though.
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Old 06-20-2012, 06:52 AM   #35
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Roger that! I think I will do it tomorrow after work. Sure takes a long time to deflate them though.
Just unscrew the valve cores. Many bicycle valve caps have the little tool built in.
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Old 06-20-2012, 09:31 AM   #36
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I ended up buying the exact same tires as Jeff did from Specialty Tire in Winnipeg. When I got to the cabin where I store my boler I found the same problem whith the tire not fitting under the shell so I took a sawzall and trimmed up a little at a time until the tire fit underneath (I believe that was Floyds suggestion). Doesnt look the neatest right now but it works beautifully.
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Old 06-20-2012, 09:39 AM   #37
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Right beside the number on the tires you should see letters or a letter. R for radial, Mine say ST which is specifically for trailers, It has to do with the way the weight is distributed. Vehicles have 4 tires and most trailers only have 2 so you want a tire that can handle more if a weight load.
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Old 06-20-2012, 10:46 AM   #38
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This may be a bad idea, but typically the arms on the axle are removable and on a spline shaft. If yours are removable, then they could be re-installed at the correct angle.
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Old 06-20-2012, 11:37 AM   #39
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typically the arms on the axle are removable and on a spline shaft.
Dave,
I believe that is only Flexiride, very unlikely to be original equipment.
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Old 06-20-2012, 11:44 AM   #40
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Shelly have you searched Kijiji and craigslist for trailer tires?

I found a pair of brand new 12" on 5 bolt rims for $60 ea. A similar used for $25. Both ads in BC

Used Car tires on rims should get you to the garage / welding shop.
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Old 06-20-2012, 11:50 AM   #41
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Dave,
I believe that is only Flexiride, very unlikely to be original equipment.
It looks like Torflex axles have removable arms as well.

13 ft Boler Camper Torflex Axle - London Travel Trailers, Campers For Sale - Kijiji London Canada.

This axle has been for sale for a while, but shipping would be expensive.
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Old 06-20-2012, 12:19 PM   #42
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Click image for larger version

Name:	kijiji_axle.jpg
Views:	13
Size:	40.2 KB
ID:	48141

Looks like a Flexiride to me.
Flexiride® - Full Beam Axles

Not a Torflex.
Dexter Axle - Trailer Axles and Running Gear Components - Torflex Axles
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