Changing 4x19 Tire

Tony C. · May 26, 2014

I removed the 4-19 front tire (3 rib) from the rim, sanded and painted the rim and now I want to put the tire back with a new tube.

What's the right way to do this? I mounted one bead from the side that has the valve stem hole in it (outward facing side of rim). Now I'm trying to stuff the tube in there and pull the valve stem thru the hole before putting a little air in to get the wrinkles out and them mount the other bead.

I'm having a heck of a time maneuvering the tube to get the valve thru the hole in the rim. The rim and tire are so skinny (3in rim?) it hard to get your hand in there but not impossible.

I've changed the big rear tires with no problem but this thing is giving me grief. Any suggestions, or am I using the wrong procedure? It's an OEM Ford 8N rim.

Greg1959 · May 26, 2014

Tony C.- If I understand what you did and I have been wrong before, I think you may have tried to mount in the reverse order.

I mount my tires with the valve stem hole up. Then, I tool on the lower ring of the tire. Then I install the tube and insert the valve stem.(facing up). I never put air in until the upper side of the tire is secured below the top rim.

HTH

Greg

Tony C. · May 26, 2014

Greg, Yes I'm doing it like you say. I started with the rim having the valve stem hole up and then I mounted one tire bead from that top side. The problem I'm having is then getting the tube in there and the stem thru the hole before installing the other tire bead. It's so darn narrow and tight in there. Thanks for your help, I'll tackle it again in the morning.

Wheatfarmer · May 26, 2014

Take a valve cap and drill a hole in it and put a heavy string/cord in it. Feed it though the hole in rim.

Royse · May 26, 2014

You should have one of these, they help a lot!
Always air up the tube before putting the tire on all the way.
It gets the wrinkles out and keeps you from pinching the tube.

Greg1959 · May 26, 2014

Thanks for that advice Royse, I'll give it a try next time.

Greg

gene bender · May 27, 2014

Those can be fun as the tire is so narrow i have all the air out i can get till tire is fully mounted then fill and bleed several times that will get wrinkles out.
Untitled URL Link

hd6gtom · May 27, 2014

Those are the worst tire to mount that anyone ever designed. good luck. If you cant get it, Take it to your local farm tire professional.

mkirsch · May 27, 2014

Yeah, I don't think there's any trick to this one. You have to hold your tongue just right, and say the proper combination of inappropriate words to get it worked in there...

Two things:

1. We always put a puff or two of air in the tube to make it easier to deal with, BEFORE we put it in the tire.
2. Lots of baby powder on the tube.

Royse · May 27, 2014

Give it a try Greg, it really does help.
I used to put all mine together with the tube flat too.
I thought it would leave more room for the tools that way.
The professional tire guy who came out to change the tires
on my big tractor "straightened me out" on that one. LOL.
A little air in the tube, just enough to make it round, keeps
the wrinkles out, lets it slip out of the way of the tools and
helps it center itself properly. I've not pinched one since either.

Tony C. · Jun 1, 2014

OK, the tire is back on and looks to be holding air. I got it done the next day and as others have said it's not a nice job since you can't get your hand inside to align things.

I got the valve stem as close to the rim hole as possible, then cheated a bit and pulled it thru a little with a needle-nose plier. Then I attached the screw on end from an old bicycle tire pump and was able to pull it thru the rest of the way. Then I aired it up and emptied a few times to try and get any wrinkles out. It probably helped a lot to use the tire lube in the picture. I put it on both beads and the rim bead surfaces. Also, and maybe this is what really helped, I brushed some on the inside circumference of the tube where it would be contacting the drop part of the rim. I think this stuff is better to use than soap and water because it's not supposed to rust the rims and probably more slippery than baby powder.

I also took mkirsch's advice and waited for the new moon on the 28th while holding my tongue just right!

Changing 4x19 Tire

Tony C.

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Greg1959

Well-known Member

Tony C.

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Wheatfarmer

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Royse

Well-known Member

Greg1959

Well-known Member

gene bender

Well-known Member

hd6gtom

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mkirsch

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Royse

Well-known Member

Tony C.

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