FUEL MODULATOR ADJUSTMENT.

TM 9-2815-224-34&P

Engine Tune-Up Instructions (Cont)

19-8.1

FUEL MODULATOR ADJUSTMENT.

This task covers:

a. Adjustment

b. Follow-on Maintenance

INITIAL SETUP

Models

References

All

None

Test Equipment

Equipment Condition

Condition Description

TM or Para

None

TM 9-2320-279-20 Air intake ducting removed.

Special Tools

Injector rack control levers

Para 19-6

Gage, injector rack, J34080

adjusted.

Throttle air cylinder removed.

Para 15-8

Fabricated Tools

Spring housing removed.

Para 15-6

Gage, feeler, 0.004 in. (0.102 mm)

Para 19-9

Engine speed adjusted.

Gage, feeler, 0.005 in. (0.127 mm)

Special Environmental Conditions

Gage, feeler, 0.017 in. (0.432 mm)

None

Supplies

General Safety Instructions

None

Personnrl Required

Level of Maintenance

MOS 63W, Wheel vehicle repairer

Direct Support

NOTE

Use the injector next to and forward of the fuel modulator assembly.

(1)

Insert injector rack gage on injector control rack (1) so that handle is at approximately 45 degree

angle.

(2)

Position governor lever (2) toward maximum speed position and run/stop lever (3) in run

position. The injector rack gage must stand up while being held in place by the rack.

19-22.1

Change 2