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How to Determine Insufficient Brake Air Pressure?

1 Answers
GarrettLynn
07/29/2025, 06:02 AM

Methods for determining insufficient brake air pressure are as follows: 1. Run the engine at medium or higher RPM for several minutes, then check if the air pressure gauge reading meets the standard. If all appears normal, the air compressor should be disassembled for inspection; 2. If the air pressure in the reservoir continuously rises when the engine is running without pressing the brake pedal, and continuously drops after the engine is turned off, this indicates air leakage in the pipeline between the reservoir and the intake valve of the control valve; 3. If the air pressure in the reservoir meets the standard but continuously drops after pressing the brake pedal, this indicates a fault between the brake valve and the brake chamber, which may be caused by pipeline leakage or diaphragm rupture.

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