TM 9-2320-260-34-1
3-84. TOP STOP INJECTOR PLUNGER TRAVEL ADJUSTMENT (Contd)
18.
Place plunger switch (3) in UNLOAD position and take plunger travel reading.
NOTE
The digimatic indicator will display the plunger travel as a
negative number.
When setting the plunger travel, the plunger travel must equal
the indicated travel 0.0005 in. 0.0127 mm).
For injectors that have been removed from an engine or checked
from one top stop to another, the field recheck tolerance is
in.
mm) from nominal.
Perform steps 19 and 20 if plunger travel is incorrect.
19.
Using adjusting tool, turn stopscrew (1) on fuel injector (2) until plunger travel reading is correct.
20.
Using locknut wrench, tighten injector locknut (4) 55 ft-lb (75
NOTE
Recheck the plunger travel again to ensure it did not change
when the top stop injector locknut was torqued.
Perform steps 21 through 24 for rechecking plunger travel.
Place plunger switch (3) in LOAD position.
21.
Press the PSET button (7) on the digimatic presetter (5). Ensure a "P" is displayed.
22.
Press the LOAD button (6) on the digimatic presetter (5) to display the preset values on the
23.
digimatic indicator (8).
Place plunger switch"(3) in UNLOAD position and take plunger travel reading. Repeat steps 19
24.
and 20 to adjust stopscrew (1) if plunger travel is incorrect.
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