Adjustment - TM-55-1930-208-240071

TM 55-1930-208-24

3-17. GOVERNOR - Continued.

h. Adjustment - Continued.

(6) Loosen the locknut and back off the maximum speed adjusting screw approximately 5/8 inch (figure 3-24).

(7) Refer to figure 3-23 and loosen the speed droop adjusting screw. Move the bracket so the screw is midway

between the ends of the slot in the bracket. Tighten the screw.

NOTE

Be sure the bracket remains on the shoulder of the terminal lever.

(8) With the throttle in the run position, adjust the engine speed until the engine is operating at 5% above the

recommended full load speed.

(9) Apply the full rated load on the engine and readjust the engine speed to the correct full-load speed.

(10) Remove the rated load and note the engine speed after the speed has stabilized under no load. If the

speed droop is correct, the engine speed will be approximately 5% higher than the full-load speed.

NOTE

f the speed droop is too high, stop the engine, loosen the bolt again and move the speed droop adjusting

bracket in (toward the engine). Tighten the screw. To increase the speed droop, move the droop adjusting

bracket out (away from the engine).

fter the speed droop is properly adjusted, set the maximum no-load speed as follows:

(11) Loosen the maximum speed adjusting screw locknut and back the adjusting screw out three times.

(12) With the engine operating at no load, adjust the engine speed until the engine is operating approximately

8% higher than the rated full-load speed.

(13) Turn the maximum speed adjusting screw in lightly until contact is felt with the linkage in the governor

(14) Hold the adjusting screw and tighten the locknut.

(15) Install the governor cover.

3-54