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Old 03-03-2015, 02:17 PM   #11
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Originally Posted by youroo View Post
What does Cat make that is (High Speed) to build Heat in Tires? Youroo!!
High speed scrapers with the driver sitting over the right hand tire. Several operators have been injured/killed from air in the tires instead of nitrogen.
Haul trucks that carry 185 ton plus traveling at 25 mph down the haul road.
Just to name a few vehicles.

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Old 03-03-2015, 02:24 PM   #12
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Maintenance Section
Tire Inflation Information
Tire Inflation with Nitrogen
SMCS Code: 4203
Caterpillar recommends the use of dry nitrogen gas
for tire inflation and for tire pressure adjustments.
This includes all machines with rubber tires. Nitrogen
is an inert gas that will not aid combustion inside the
Proper nitrogen inflation equipment, and training
in using the equipment, are necessary to avoid
over inflation. A tire blowout or rim failure can result
from improper or misused equipment and personal
injury or death can occur.
A tire blowout and/or rim failure can occur if the in-
flation equipment is not used correctly, due to the
fact that a fully charged nitrogen cylinder's pressure
is approximately 15000 kPa (2200 psi).
There are other benefits to using nitrogen in addition
to reducing the risk of an explosion. The use of
nitrogen for tire inflation lessens the slow oxidation
of the rubber. Use of nitrogen also slows gradual tire
deterioration. This is especially important for tires
that are expected to have a long service life of at
least four years. Nitrogen reduces the corrosion of
rim components. Nitrogen also reduces problems
that result from disassembly.
A tire blowout or a rim failure can cause personal
Use a self-attaching inflation chuck and stand behind
the tread when inflating a tire, to prevent personal

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Old 03-03-2015, 02:36 PM   #13
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Posts: 160
Thanks for the responses , 38FL hit the nail on the head with his post . The Nitro is all a bunch of BS and like I have always thought , and yes most the air we breath is a mixture of both , but I have many a friends and my self included that are either engineers or mechanics and after all the research it is still believed that you should not mix the 2 in a tire (just saying) so with all the problems with tires that are being put on new units from the factory why put nitro in at the factory ?? . First thing I did was to let all the pressure out and refill with air from my own air compressor so I know what's there and I can check the tires before pulling out.
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Old 03-03-2015, 05:16 PM   #14
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I use air, free air, DW brought me a air compressor and I use it, did not worry me when I put free air in the new 32RL tires along with that other stuff

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tire, tires

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