Engine 2014: Motor Plants and Auxiliary Boilers

1. A Adjacent to the piston skirt when the crank is on TDC.
2. B Along the lower part of the liner wall opposite the oil control ring.
3. C Opposite the top ring shortly after piston travel has ended the compression stroke.
4. D Opposite the oil control ring when the crank is on bottom dead center.

Tip: press A-D to answer