TM-9-2330-356-14
SEMITRAILER, TANK: 5000 GALLON, BULK HAUL, SELF LOAD/UNLOAD M967 AND M967A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, AUTOMOTIVE M969 AND M969A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, UNDER/OVERWING AIRCRAFT M970 AND M970A1
TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1990
TM-9-2330-356-14 - Page 374 of 528
TM 9-2330-356-14
7-26. Fuel Injection Pump (Fig.
CAUTION
7-21 )
All fuel connections must be plugged or
capped to prevent contamination.
a.
Snap off governor linkage (1, fig. 7-14) from
injection pump (2, fig. 7-14) and governor control arm (3,
fig. 7-14), and remove linkage.
b.
Tag and disconnect high pressure lines at injector
nozzles and at injection pump (fig. 7-15).
c.
Tag and disconnect inlet and fuel return lines
from injection pump (para 4-73).
d.
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
mark on gear case cover (fig. 7-78).
e.
Remove the timing hole screw on the left side of
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
the gear face. (Depth approximate 1 1/8-inch -GO,
7/8-inch—NO GO.) If not, rotate the flywheel one
complete revolution and reinsert the wire.
Figure 7-21. Fuel Injection Pump.
f.
Remove four hexagon nuts (2, 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
crankcase, above the injection pump, is important to
proper pump operation; it provides the proper gear
backlash.
g.
When removing a pump for replacement, record
the button thickness and port closing dimensions as
stamped on the side of the pump mounting flange
(fig. 7-76). These values are important in timing a new
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
stamped on the flange.
7-27. Flywheel Assembly (Fig. 7-22)
a.
Remove blower assembly (para 7-14).
b.
Remove screw (1) and washer (2) attaching
flywheel to crankshaft.
c.
Install two screws in flywheel hub from puller(8)
to remove flywheel (3), ring gear (5), and key (6).
Figure 7-22. Flywheel Assembly.
7-18
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