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RING 2278552 - Caterpillar

2278552 RING Caterpillar parts RING
Alternative (cross code) number:
Caterpillar 2278552 RING
Weight: 0.01 pounds 0 kg.

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Inflation of Tires with Nitrogen
Caterpillar recommends using dry nitrogen (N2) gas for both tire inflation, and tire pressure adjustments on all rubber tired machines. Nitrogen is an inert gas and will not support combustion inside the tire.
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 serious personal injury or death can occur.Because a fully charged nitrogen cylinder's pressure is approximately 15 000 kPa (2200 psi), a tire blowout and/or rim failure can occur if the inflation equipment is not used correctly.
In addition to reducing the risk of an explosion, using nitrogen to inflate tires lessens the slow oxidation of the rubber and the accompanying gradual tire deterioration. This is especially important for tires that have an expected long service life (four or more years). It also reduces the corrosion of rim components and the resultant disassembly problems.
Use a self-attaching inflation chuck and stand behind the tread when inflating a tire, to prevent possible personal injury.
Set the tire inflation equipment regulator at no more than 140 kPa (20 psi) over the recommended tire pressure.
Use only Caterpillar Part 6V4040 Nitrogen Tire Inflation Group, or equivalent, to inflate tires from a nitrogen gas cylinder. Refer to Special Instruction, SMHS7867, for tire inflation instructions.Use the same tire pressures for nitrogen inflation that are used for air inflation. Consult your tire dealer for operating pressures.Tire Shipping Pressure
The tire inflation pressures shown in the following chart are cold inflation shipping pressures. The "R" in tire size denotes radial construction.The operating inflation pressure is based on the weight of a ready-to-work machine without attachments, at rated payload, and in average operating conditions. Pressures for each application may vary and should always be obtained from your tire supplier.Tire Inflation Pressures Adjustment
A tire inflation in a warm shop area, 18°C to 21°C (65°F to 70°F), will be underinflated if the machine works in freezing temperatures. Low pressure shortens the life of a tire.When operating in freezing temperatures, consult the Cold Weather Recommendations Operation and Maintenance Manual, SEBU5898, for adjusted inflation pressures.

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