Technician A wipes off the outside of a zerk fitting before injecting grease into it. Technician B injects just enough grease to cause the boot to expand slightly. Who is correct?
A)A only
B)B only
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

Both technicians are correct. Technician A is correct in wiping off the outside of a zerk fitting before injecting grease to prevent contamination. Technician B is correct in injecting just enough grease to cause the boot to expand slightly, which ensures that enough grease is inside without overfilling.

Technician a Wipes Off the Outside of a Zerk Fitting