Mercury MerCruiser D2.8L D-Tronic Service Manual page 556

INJECTION PUMP
5. Using a suitable gauge of wire, make a wire pointer. Attach the pointer to a suitable
location on the block. Do NOT damage the mating surfaces
6. Align wire pointer to zero degrees (0) as shown.
7. Using a heavy grease to hold key in place, install injection pump key in pump slot.
8. Temporarily install gear on injection pump shaft. Do NOT secure gear at this time.
9. Rotate shaft to align keyway with cylinder number 1 injector port.
10. Remove any pump backlash by rotating gear COUNTERCLOCKWISE (when facing
pump) until resistance is felt.
11. Ensure keyway is at approximately the 11 o'clock position, as shown.
Typical
Page 5D-20
a - Wire Pointer
b - Zero (0) Degree Mark
b
a - Shaft - Rotate COUNTERCLOCKWISE
b - Keyway at 11 O'clock
SERVICE MANUAL NUMBER 22
a
70419
b
a
b
70421
a
70767
90-860074--1 FEBRUARY 2002