After assembling a drum brake, it is discovered that the brake drum will not fit over the new brake shoes. Technician A says that the parking brake cable may not have been fully released. Technician B says to check to see if both shoes are contacting the anchor pin. Which technician is correct?

Question

Quizplus · Accepted Answer

Both technicians provide valid reasons for the brake drum not fitting over the new brake shoes. Technician A points out that if the parking brake cable is not fully released, it could keep the shoes expanded, preventing the drum from fitting. Technician B suggests checking if both shoes are contacting the anchor pin properly, as improper contact could also prevent the drum from fitting.

After Assembling a Drum Brake, It Is Discovered That the Brake