Tech A says that to reassemble a duo-servo brake, first reassemble the brake shoes on the backing plate, and then attach the parking brake lever on the brake shoes along with the parking brake cable. Tech B says that to reassemble a duo-servo brake, first reassemble the parking brake lever on the brake shoe and parking brake cable, and then mount both brake shoes on the backing plate. Who is correct

Respuesta :

A duo-servo break makes use of mechanical arrangements to multiply the braking force

The technician that gives the correct procedure of reassembly of duo-servo  brake is Tech B, therefore;

Tech B only is correct

The process by which the above answer is arrived at  

To reassemble a duo-servo brake, the first step is to reassemble on the brake shoe and parking brake cable, the parking brake lever. The star wheel assembly is then reassembled, and set aside after lubricating the floating end. The pads on the backing plate are lubricated and both brake shoes are then installed on the backing plate

Therefore, Tech A states that the brake shoes on the backing plate are reassembled first is not correct, while Tech B is correct

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