Locate top dead center (TDC) for cylinder number 1
Press in engine timing pin (6) (located below
fuel injection pump).
Install wrench onto crankshaft pulley nut.
Manually rotate crankshaft until timing pin (6)
engages hole in camshaft gear. Cylinder 1 is
Disengage timing pin (6).
Loosen lockscrew (7). Position special washer (8)
as shown in figure. Torque lockscrew to 6 ft-lbs (8
Remove DCA RPM sender (9) from mechanical
tachometer drive (10).
Remove mechanical tachometer drive (10) from
drive adapter (11). Remove and discard gasket
Remove drive adapter (11) from front cover by
removing screws (13) and washers (14). Remove
and discard seal (15). Remove hub (16).
Remove screw (17) to release fuel pump (4) from
pump brace (18). Remove pump brace from
engine block by removing screws (19).