Charging Nitrogen Accumulator for a Cat 725 730 735 740 Braking System. 

How I charge the nitrogen brake accumulators for my Cat articulated end dumps.
Always be very careful when working with and or around high pressure vessels. Always consult a trained instructor and follow the manufactures instructions when charging or working around high pressure components.
This video is for entertainment purposes only.... DO NOT follow my actions if you are to attempt to try this.
The Caterpillar 725 730 735 and 740 Articulated end dumps use 2 nitrogen charged accumulators in the service brake system for 2 reasons. First: is to cause a smooth pressurized oil supply between the pump and the wheel brakes, without the accumulators the pressure would dip significantly when first applying the brake pedal as the pump cannot instantly react to the sudden pressure drop Second: in case of engine or pump failure the accumulators store enough pressurized oil to safely stop the vehicle.
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