FUEL SETTING ADJUSTMENT - continued - TM-9-2320-386-24-1-20249

TM 9-2320-386-24-1-2

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FUEL SETTING ADJUSTMENT (Contd)

.WARNING.

Diesel fuel is flammable. Do not perform fuel system procedures

near open flame. Injury to personnel may result.

NOTE

Fuel setting is the adjustment of the fuel setting screw to set the

maximum power output of the engine by limiting the amount of

travel of all injector racks in relationship to the rack at the No. 1

injector.

Always adjust the fuel setting when the No. 1 injector has been

removed and reinstalled or replaced.

ADJUSTMENT

1. Clean end of rack bar (3) with lint-free cloth.

2. Press top ball on pivot arm of holding fixture fully and hold.

CAUTION

Bottom contact point on pivot arm of holding fixture must clear

end of rack bar when inserted into engine. Failure to do so will

cause damage to equipment and result in an inaccurate reading.

3. While pressing top ball on pivot arm, insert holding fixture with dial indicators at the No. 1 injector

so stabilizing blade seats against intake valve spring (1), and spring clip seats against inside of air

intake manifold (2).

4. Push down on holding fixture and listen for a "snap" sound to ensure holding fixture is seated

against injector base.

5. Release top ball on pivot arm of holding fixture. Ensure pivot arm contacts face of rack bar (3).

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