TM 9-6650-212-12
tion. If the maintenance required is beyond the
(2) Spread the legs and place the tripod on
scope of the using organization, the observation
the ground. A level position should be sought to
telescope and/or tripod should be referred to
provide the cradle with a level line of sight with
ordnance maintenance personnel.
the target area.
(3) Unfasten the two catches on telescope
(2) Procedure. Visually examine the obser-
carrying case (fig. 2-2) and lift up lid of case and
vation telescope and tripod for completeness (fig.
remove the telescope from the carrying case.
faces should not have bare spots, scratches expos-
(4) Unscrew and remove the objective cover
ing bare metal, or chipped or loose paint. There
and eyepiece cover cap (fig. l-l). The covers may
should be no evidence of corrosion on any part.
be placed in the carrying case for safe keeping
while the telescope is in use. Inspect the telescope
on the telescope and tripod.
and tripod as indicated in b below,
(5) Place the telescope through the strap
Table 2-1, Operator's Inspection Chart For 0bservation
loop of the tripod and tighten the strap to prevent
Telescope M49 and Tripod M15
the telescope from rolling off the cradle and onto
Para or
the ground, The telescope is now prepared for
Accepted standard
fig. No.
Point of inspection
use (fig. 2-l).
Screw on and remain in
Cap and cover
b. Inspection.
position,
(1) General Whenever inaccuracies, mal-
Operate smoothly and
Focusing mechanism
through t h e e n t i r e
adjustment, or any other conditions affecting
length of threads.
serviceability are disclosed by the inspection pre-
Optical elements
scribed in table 2-1, the necessary corrective
patterns, and dirt.
action should be taken if the maintenance re-
present sharp, clean
image,
quired is within the scope of the using organiza-
Figure 2-2. Equipment for telescope observation M49.
2-3
