TM 10-4320-309-14
TM 4320-14/1
EACH LINE REPRESENTS 5 DEGREES
Figure 4-14. Top Dead Center Position
i.
The correct reading should beat 14 degrees, plus or minus 1 degree.
j.
If the injection timing is incorrect, refer to ADJUSTMENT procedure to correct.
k.
Install fuel injection pipe (refer to para 3-20).
l.
Install sound enclosure air flow baffle (refer to para 4-10).
ADJUSTMENT:
a.
Fuel Injection Timing Adjustment
NOTE
Perform the following steps to adjust fuel injection timing after the timing
has been checked several times and incorrect timing is indicated.
(1) The fuel injection timing is adjusted by adding or removing shims (7) (refer to Figure 4-13) to speed
up or slow down the actual fuel injection.
4-34
