R and M Diesel Truck / Air Brake Drain Valve Service.
Short drive from down town Little Rock, Arkansas
Close to I-30 and I-530.
Moisture and oil must be drained from the air tanks on a regular basis (Daily is Recommend).
This is done through the air-tank drain valve, located at the bottom of each air-tank.
Remember many trucks es have more than one air tank be sure to check each tank.
Watch for anything abnormal about the discharge from the tank.
Key points to remember