10mm & 13mm Spoon Wrench

WABCO : 9730090160

The Direct Vision Standard is Evolving

37 kg Cross References VOLVO : 20754602

EBS EKWA.57.14 REPAIR KIT (RELAY VALVE) 3/8" Socket Sets 10mm & 13mm Spoon WrenchOn some trucks & trailers, the distance from the brake chambers to the foot valve is too far to cause immediate application of the brake when the foot valve is depressed. This is called brake lag. To correct this situation, a relay valve is installed near the rear brake chambers. A large diameter pipe is connected between the service reservoir and relay valve. The air line from the foot valve to the relay valve now becomes a control line that signals