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CHAPTER 2
OPERATING INSTRUCTIONS
Section I. SERVICE UPON RECEIPT OF MATERIEL
b. Remove tape from plotting board.
2-1. General
a. When a new, used, or reconditioned plot-
c. Open one snap fastener securing carrying
ting board M17 is first received by the using
case M72 (fig. 11 ) in closed position and lift the
organization, it is the responsibility of the officer
cover flap.
i n charge to determine whether the materiel
has been properly prepared for service by the
and off the pivot (fig. 1-3) to remove the disk
supplying organization and to be sure that it is
from the base (fig. 1-2).
in condition to perform its function.
b. Make a record of missing parts or equip-
e. If temperatures are above freezing (320 F.),
ment and malfunctions. Correct all deficiencies
use cloth slightly dampened with water and re-
which can be corrected.
move all dust and dirt from the surface of the
base (fig. 13) and from all surfaces of the azi-
22. Duties
muth disk (fig. 1-4). If temperatures are below
The organizational mechanic performs the in-
freezing, use a clean dry cloth.
spection to determine whether the materiel has
been properly prepared for service and is in condi-
tion to perform its assigned mission. It is the
the azimuth disk on the base.
duty of the operator to assist the organizational
mechanic in the performance of these services.
g. Invert carrying case M72 and shake out all
dust and dirt adhering to its internal surfaces.
2-3. Services
Upon receipt of materiel, the operations de-
h. Insert plotting board M17 into carrying
scribed in a through g below shall be performed
case M72, and secure the cover flap of the case
to place the plotting board into operating condi-
in a closed position with the snap fastener. Place
tion.
the carrying case with installed plotting board
in stowed position.
a. Open the sealed container and remove the
contents consisting of plotting board M17 and
Note. Stow TM 9-1220223-14 inside carrying case
folded carrying case M72.
M72 with plotting board M17 when not in use.
Section Il.
OPERATION UNDER USUAL CONDITIONS
2-4. General
2-5. Care in Handling
This section contains instructions for the prop-
Plotting board M17 will not stand rough hand-
ling or abuse. inaccuracy or breakage will result
er care of the materiel, preparation for opera-
from mistreatment. Any instrument that is func-
tion, and the operation of plotting board M17
tioning inaccurately or that contains damaged
under moderate temperatures and atmospheric
parts must be brought to the attention of or-
conditions. Every organization equipped with
ganizational maintenance personnel for disposi-
this plotting board must thoroughly train its
tion. Repairs other than those expressly author-
personnel in the procedures for its operation.
ized will not be performed by the operator.
2-1
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