M2/M3 BFV: FIRE CONTROL SYSTEM - OD1608 - LESSON 1/TASK 5
with both the TOW ELEVATION DRIVE SELECT lever
and the GUN ELEVATION DRIVE SELECT lever in the
MANUAL position will break the linkage.
the GUN ELEVATION DRIVE SELECT lever is in the
POWER position before manually operating the TOW
(18) When the boresight telescope reticle crosshairs are aligned
on the aiming point, look into the eyepiece and check the elevation
alignment of the TOW reticle on the aiming point. If the elevation
crosshair of the TOW reticle is on the aiming point, the TOW launcher
is boresighted in elevation. However, if the elevation crosshair of
the TOW reticle does not align on the aiming point, it must be
To align the elevation crosshair of the TOW reticle,
perform these steps:
(a) Use a flat tip screwdriver to turn the TOW boresight
screw (figure 41) until the elevation crosshair aligns on the target
(b) Remove the screwdriver after alignment is achieved.
THE TOW BORESIGHT ADJUSTMENT SCREW.