7-26. Fuel Injection
Pump (Fig. 7-21
lockwashers (3), and flatwashers (4), holding injection
pump (1) to crankcase, and remove pump. Be careful to
retain the shims (5) from between the crankcase and
pump. The correct thickness of shims as stamped on the
All fuel connections must be plugged or
crankcase, above the injection pump, is important to
proper pump operation; it provides the proper gear
injection pump (2, fig. 7-14) and governor control arm (3,
When removing a pump for replacement, record
the button thickness and port closing dimensions as
stamped on the side of the pump mounting flange
Tag and disconnect high pressure lines at injector
pump to the engine. If there is a standard button in the
pump, it may not be stamped or it will have the number 11
c. Tag and disconnect inlet and fuel return lines
stamped on the flange.
Prior to removing the injection pump, position
the number one piston on the compression stroke by
placing the PC mark on the flywheel in line with timing
Remove screw (1) and washer (2) attaching
e. Remove the timing hole screw on the left side of
flywheel to crankshaft.
pump mounting flange. Insert a 1/8-inch diameter brass
wire in the timing index hole. If the piston is on the
compression stroke, the wire will enter the index hole in
c. Install two screws in flywheel hub from puller(8)
the gear face. (Depth approximate 1 1/8-inch -GO,
to remove flywheel (3), ring gear (5), and key (6).
7/8-inch--NO GO.) If not, rotate the flywheel one
complete revolution and reinsert the wire.