TM 5-3825-229-14&P
5-16. FUEL INJECTION PUMP (cont)
b. Installation and Timing (Cont).
(7) Install injection pump drive gear (7).
NOTE
Injection pump drive shaft must not rotate while torquing hex nut.
Installing Injection Pump Drive Gear
(8) Install hex nut on drive shaft and torque to 38 Ib-ft (52 Nm) (wet).
(9) Rotate flywheel in a clockwise direction one half revolution.
(10) Rotate flywheel in a counterclockwise direction until flywheel timing indicator points to 15° BTDC.
(11) Recheck correct alignment on injection pump timing marks. If timing marks are not correctly aligned, do the
next step. If timing marks are correctly aligned, skip the next step.
(12) Loosen three injection pump mounting nuts and rotate injection pump until timing marks are correctly aligned.
(13) Tighten three hex nuts (4) to 17 Ib-ft (23 Nm) (wet).
(14) Install timing window cover with new gasket on injection pump and install two screws. Tighten screws
securely.
(15) Install a preformed packing on the pump drive gear cover (2).
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