When adjusting static timing on a hydromechanical, port-helix metering injection pump to the engine, which of the following steps in the procedure should be performed last?
A) remove the delivery valve core
B) remove the high pressure line
C) locate injection pump port closure
D) loosen pump drive plate to drive gear fasteners

Question

Quizplus · Accepted Answer

Loosening the pump drive plate to drive gear fasteners is typically the last step in the procedure to allow for the adjustment of the timing after all other preparations and checks have been made.

When Adjusting Static Timing on a Hydromechanical, Port-Helix Metering Injection