Fuel pump may rotate slightly during
shaft nut installation. Slight rotation is
acceptable as long as pump is free to
move on flange slots and crankshaft
does not move.
Install nut (20) and washer (21) onto fuel pump shaft
(22). Torque nut to 11-15 ft-lbs (15-20 Nm).
Align fuel pump (4) as follows:
a. If reinstalling original fuel pump (4), rotate pump
to align scribe marks.
b. If installing a new or rebuilt fuel pump (4) without
scribe marks, take up gear lash by rotating pump
against direction of drive rotation. Mark pump
flange to match mark on gear housing.
Torque nuts (23) to 18 ft-lbs (24 Nm).
Loosen lockscrew (7). Position special washer (8)
behind lockscrew head as shown in figure. Torque
lockscrew to 15 ft-lbs (20 Nm).
Disengage timing pin.