M2/M3 BFV: FIRE CONTROL SYSTEM - OD1608 - LESSON 1/TASK 5
(c) If the aiming point of the target moves up or down from
the
elevation
crosshair
after
removing
the
screwdriver,
troubleshooting will be needed to isolate and correct the problem.
Troubleshooting procedures are located, when required, in TM 9-2350-
252-20-2-1, chapter 3.
(19) When the elevation crosshair of the TOW reticle is aligned,
press the TOW button on the TOW control box.
(20) Remove the boresight telescope by gently pulling it and the
red streamer out of the TOW launcher (figure 42). When the borescope
telescope is out, remove the red streamer.
FIGURE 42.
REMOVING THE BORESIGHT TELESCOPE.
(21) Lower the TOW launcher (TM 9-2350-252-10-2, page 2-362).
(22) Turn the TURRET DRIVE SYSTEM switch on the turret control
box OFF.
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