Wash System for a Light Assembly

A wash system for a trailer including at least one light assembly including a light source and a lens covering the light source and an air tank arranged to store air under pressure therein, the wash system comprising:

• a wash nozzle associated with said at least one light assembly and arranged to be supported on the trailer so as to be directed onto the lens of said at least one light assembly;
• a control valve arranged for connection to the air tank;
• a fluid line in communication between the control valve and the wash nozzle associated with said at least one light assembly;
• a wash fluid tank arranged to be supported on the trailer and arranged to store a wash fluid therein;
• a wash line in communication between the wash fluid tank and the fluid line at a location between the control valve and the wash nozzle associated with said at least one light assembly;
• a dispensing mechanism in series with the wash line so as to be arranged to dispense a controlled amount of wash fluid from the wash fluid tank into the fluid line through the wash line;
• and
• a controller in operative connection with the control valve so as to be arranged to controllably discharge a charge of air under pressure from the tank through the control valve and into the fluid line such that the charge of air under pressure is arranged to discharge the controlled amount of wash fluid in the fluid line through the wash nozzle associated with said at least one light assembly;
• the nozzle associated with said at least one light assembly comprising a nozzle opening arranged to spray the wash fluid therefrom in a flat fan pattern spanning across the lens of said at least one light assembly.