[AT] Tractor tire liquid

[Steve W.]

Cecil R Bearden wrote:
> I need a little input from you guys.
> 
> a couple weeks ago I mounted 2 new 18.4x38 tires on my 2-105 White. 
> Tires were mounted tubeless with some type of fluid in the tire.  I 
> think it may have been some type of glycol based anti-freeze .  One rim 
> needed some welding on a rusted place as the rim had been outside since 
> last summer after removing the tire.  We mounted the tires & tubes with 
> no problems noted.  Filled both tires with methanol/water solution.  I 
> used windshield washer fluid when methanol was so much more expensive.  
> Tires hold about 100 gallons, so we added 1/2 of a barrel of methanol.  
> filled the remaining with air.  while sowing wheat about 2 weeks later, 
> one tire started leaking water at the valve.  I checked the valve and 
> found it to be loose from the tube.  2 days later I pumped the fluid out 
> and broke down the tire and found valve separated from the tube and a 
> 1inch long cut about 6 inches from the valve.  I assumed the cut was 
> from a pinch with the tire spoon.  Or, maybe the tube was caught between 
> the tire & rim.  We inflated and deflated the tube to straighten it 
> out.   We also used tire mounting lube to mount the tire on the rim.  I 
> repaired the tube last Wednesday.  Yesterday I noticed fluid running out 
> of the valve hole on the other tire and a lot of the mounting lube had 
> coagulated at the base of the tire.  I jacked the tire up and put the 
> valve on top as I did not have time to work on it.
> 
> My question is 2 part.   Would the use of mounting lube cause a loose 
> tire on the rim and it possibly slip and pull the valve out??   Would 
> the use of Methanol be deteriorating the rubber in the tube. and causing 
> the problem.  These tires are Speedway 18.4 x 38 8 ply rating.  Tubes 
> were 2 different brands.   Gateway the first one, and Doberman the 
> second.  I was only pulling a 16 ft spring tooth with a 12 ft harrow 
> behind it on 30 acres and later a 16x8 JD drill before the first tire 
> started leaking...  The load was not anything out of the ordinary.
> 
> Cecil in OKla


Methanol eats rubber REAL quick. I would bet the methanol is the only 
reason for the problem.


-- 
Steve W.