TM 10-4320-325-14
g. Torque the hex head securing nuts to 94-108 in-lb (100-120 cm-kg).
h. Replace lower fuel tank mounting bracket and rubber pads (1).
TEST: Refer to Figure 5-7
NOTE
Fuel Injection timing must be precise. If it is too early or too late, the engine will start hard, provide lowered
out-put, knock, and show poor exhaust color.
The fuel Injection pump is a nonrepairable Item and must be replaced as a complete unit. However, it must
be remembered that the fuel timing is adjustable.
a. The injection pressure must be tested for proper pressure (Refer to para 5-14 ).
b. Set speed control lever knob to run position.
c. Set decompression lever (downward position).
d. Rotate flywheel clockwise until the decompression lever releases (upward).
e. Continue to slowly rotate the flywheel until the T position mark (1) aligns with the alignment mark (2) on the
cylinder block.
f. Set the decompression lever to start (downward) position.
g. Turn the flywheel first clockwise, then counterclockwise about 30 degrees from the T mark to make sure fuel Is
discharged from the fuel Injection pump outlet Repeat steps b through e if necessary to Inject fuel.
h. Turn the flywheel clockwise slowly until fuel just begins to flow from the pump outlet Note the timing position on the
flywheel when fuel starts to flow. Repeat 3 or 4 times to make sure the reading is correct
