M2/M3 BFV:
FIRE CONTROL SYSTEM - OD1608 - LESSON 1/TASK 1
CAUTION
Too
much
force
will
damage
the
boresight
telescope.
Do not jam the boresight telescope
into the 25mm boresight adapter.
(16) Now, the 25mm boresight adapter and boresight telescope
must be installed. The shank of the boresight telescope is tapered;
it should be slid into the 25mm boresight adapter far enough so that
the telescope can be turned and will hold its own weight.
Install
the adapter and telescope (figure 9) as follows:
FIGURE 9.
INSTALLING THE BORESIGHT ADAPTER AND TELESCOPE.
(a) Push the 25mm boresight adapter into the 25mm gun barrel
until the adapter is seated.
(b) Gently push the shank of the telescope into the 25mm
boresight adapter until the telescope is seated.
(c) Turn the boresight telescope so that the eyepiece is at
the top.
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