FIGURE 3-7. Magnetic Speed Sensor Adjustment.

TM 55-1905-223-24-4

(2)

Back off sensor +F turn. Secure lock nut. A=7.71 to 1.067mm (0.28 to .042 inch).

b. Adjust Governor Actuator Lever.

(1)

Position fuel pump throttle lever in the full throttle position and the actuator i the idle position. Install the

linkage and start the generator set. (TM 55-1905-223-10) (FIGURE 3-8)

(2)

While holding the actuator arm in the idle position, adjust the linkage to obtain the following: (FIGURE 3-8)

60 Hz Operation -

approximately 58 Hz, 1740 RPM

50 Hz Operation -

approximately 48 Hz, 1440 RPM

FIGURE 3-8. Install Linkage/Adjust Actuator Lever.

(3)

Adjust the high idle adjusting screw to allow for the excessive travel needed to maintain the maximum

A=.635mm (0.25 inch)

3-21