Technician A says installing straight seam cam bearings is best accomplished using an expanding mandrel. Technician B says lubricating the outside of the bearing with 90- or 140-weight oil makes

Technician A says installing straight seam cam bearings is best accomplished using an expanding mandrel. Technician B says lubricating the outside of the bearing with 90- or 140-weight oil makes installation much easier. Who is right?
A)Technician A
B)Technician B
C)Both technicians
D)Neither technician

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