Technician A says that it is common for Caterpillar HEUI fuel systems to use a centrifugal type fuel transfer pump. Technician B says that a double-acting fuel subsystem transfer pump moves fuel on the push and pull strokes. Who is correct??

Question

Quizplus · Accepted Answer

Technician B is correct because a double-acting fuel subsystem transfer pump does move fuel on both the push and pull strokes. Technician A is incorrect because Caterpillar HEUI systems typically use gear-type fuel transfer pumps, not centrifugal ones.

Technician a Says That It Is Common for Caterpillar HEUI