tube problems

chas036

Member
Is there a special orientation that the tube has to be in when putting a tube in a rear tractor tire? I have tried installing three different new tubes and have ruined all 3 tubes. The first lasted three days and blew out . There was a tear wear the valve stem attaches to the tube like it was under stress. The second and third tubes, the valve stem just separated from the tube after about 15 min of inflating. What am I doing wrong ? I am careful to make sure the tubes are not pinched by the beads and are free inside when I install them..
 
Yes you can install a tube wrong and if you do yep the stem can be ripped off. If you where to air a tube up with out it being in the tire/rim you will see how the tube stem has to point up and into the hole in the rim or it will in fact pull the stem off
 
It does make a difference which way the tube goes in.

Years a go a farmer friend of mine decided to put new tubes in his loader tractor. The last tube went flat about a day later. When he took the tire off he found he had left his tire iron inside the tire!
 

Are you inflating the tube before installing? It would be difficult to see how it should go without first inflating. After seeing how it should orient, you remove the valve stem and let most of the air out, but plenty still in it to help handle it.
 
The tube's stem must match the location of the rim hole .Even if that is correct , I have seen the base of the stem separate from the tube on Chinese tubes . The Chinese tubes have a different feel to them , they are not as rubbery , more of a plastic feel...
 
Make sure that the valve location is the last place to pry the tire on. If you start installing the tire where the valve is, you will shear it off when you get to the opposite side.
 

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