4-76. FUEL INJECTION PUMP REPLACEMENT (Continued).
Remove injection pump drive gear bolts (6) and
washers (7) from injection pump hub and remove
pump from engine.
Install injection pump drive gear loosely to injection
pump using drive gear bolts (5) and washers (7).
Rotate pump clockwise (as viewed from drive gear
end) until timing mark (3) on pump drive hub is
aligned with timing pointer (4) in adapter hole (2).
Rotate loosened pump drive gear counterclockwise
(as viewed from drive gear end) to 3/4 of full extent
of drive gear bolt slots (8).
Install final filter to injection pump hose and rubber
coated clamp. If the clamp is omitted, the hose
may rub on adjacent parts and leak.
Install final filter to pump housing hose to inlet
connector on pump housing.
Clean front cover plate and install new gasket and
injection pump assembly.
With injection pump in position on engine, secure
pump adapter to front plate with bolts, nuts, and
washers. Torque bolts and nuts to 24 ft-lb (33
Verify alignment of pump timing pointer (4) to hub
mark (3) through mounting adapter opening (2).
Rotate pump drive hub as required for proper
alignment. Torque pump drive gear bolts to 35 ft-lb
(47 N.m). Observe engine to injection pump timing
on pulley (9).
Install drive gear access cover (10) with applicable
capscrews and washers (5).
Install lubricating oil line to injection pump.
Injection pump delivery valve holder (11)
must be held with a wrench to prevent
movement when high pressure piping is