C4, TM 9-2350-230-12
TABLE 2-16. BORESIGHTING WHITE LIGHT/INFRARED SEARCHLIGHT - CONTINUED
STEP
PROCEDURE
ALTERNATE METHOD (REFER TO FIG. 2-37) - CONTINUED
17
Adjust searchlight (steps 5 through 10) until light beam is centered on upper cross.
Place a reference mark so that top edge of mark just touches the bottom of searchlight
beam. Center the bubble. on the elevation quadrant using the micrometer knob.
18
With searchlight on, apply 5 mils on elevation quadrant and manually elevate gun
until bubble is centered.
19
Adjust searchlight (steps 9 and 10) until bottom of light beam is above and just touching
the reference mark. This technique will converge the light beam and the axis of the
gun at approximately 1, 200 meters.
20
Follow steps 12 and 13 above.
Figure 2-37. (Added) Searchlight boresight target.
2-62