In an adjustment procedure, Technician A claims that new brake shoes are being adjusted after installation. Technician B asserts that the procedure is for brake drum removal. Who is right?

• A. Technician A only
• B. Technician B only
• C. Both Technician A and Technician B
• D. Neither Technician A nor Technician B

Answer: (B)

The assertion made by Technician B is accurate in stating that the adjustment procedure is related to the removal of the brake drum, not the adjustment of new brake shoes after installation. When dealing with drum brakes, it is common practice to adjust the brake shoes to ensure proper clearance between the shoes and the drum before reassembling or after removing the drum.

If Technician A claims that the adjustment is for new brake shoes post-installation, it overlooks the fact that the adjustment usually focuses on ensuring the shoes are set correctly to operate within the appropriate tolerances of the drum. The relevance of the brake drum's removal cannot be understated, as it is an essential aspect of servicing drum brakes, involving steps to ensure that, once the drum is removed, the shoes are properly set to engage effectively with the drum when reassembled.

Thus, the procedure being described pertains specifically to Technician B's focus on brake drum removal, making Technician B's statement correct in this context.