Technician A says that the top compression ring groove wears more than the other ring grooves. Technician B says that full floating, piston pin lock rings should be installed with their openings facing up. Who is correct?
A)Technician A
B)Technician B
C)Both technicians
D)Neither technician

Question

Quizplus · Accepted Answer

The top compression ring groove wears more than the other ring grooves because it is exposed to the highest pressures and temperatures, leading to more wear compared to the other ring grooves. Technician B's statement is incorrect; the orientation of piston pin lock rings (circlips) does not typically require them to face a specific direction such as up, but they should be properly seated in their grooves.

Technician a Says That the Top Compression Ring Groove Wears