Volvo D13 Air Compressor Unloader Valve

The air compressor unloader valve vents trapped air.

Volvo d13 air compressor unloader valve.

My air compressor is leaking coolant internally externally. In some cases the air compressor may have a cracked head or develop a hole in the cylinder wall. This will effectively emulate the operation of the unloader valve as any air trapped over the piston will flow into the tank as the tank pressure drops. About product and suppliers.

Volvo trucks north america d date group no. We ship our air compressors within 24 hours of order placement and we export to over 98 different countries. Volvo 2014 d13 it says air dryer malfunction on dashboard i have replaced air dryer assembly. Most of the time an internal diesel air brake compressor coolant leak is the result of a failed head gasket.

Reservoir air flows around the inlet valve through the passage in the piston and out through the unloader port 2 to the compressor unloading mechanism. 2009 international prostar purges air every 15 seconds already replaced governor purge valve air compressor head for the unloader valve and a new signal line from governor to the air compressor. Page service bulletin 2 2007 215 46 5 25 8 w2006005 loosen the clamps and remove the main fresh air pipe clamp from the air compressor fresh air hose the air filter. Plug the compressor back in.

The compressor s unloader mechanism and governor along with a synchro valve for the bendix duraflo 596 air compressor control the brake system air pressure between a preset maximum and minimum pressure level by monitoring the pressure in the service or supply reservoir.