TM 10-3950-672-24-2
Timing Advance Components Inspection
Inspect the advance piston and housing for scoring.
Inspect the check ball and seat for erosion. Make sure
the ball can move freely on the seat.
Be sure the orifice in the side of the seat in the head
locating fitting is open.
Check that the cam ring is free to move in the fuel
pump.
Timing Advance Assembly
Position a new gasket on the injection pump housing.
5-274