TM 9-6650-212-12
CHAPTER 3
MAINTENANCE INSTRUCTIONS
SERVICE UPON RECEIPT OF MATERIEL
Section I.
3-3. Services.
3-1. General.
a. Unpacking and Checking. When unpacking
a. When new, used, or reconditioned materiel
the observation telescope (fig. l-l) and its associ-
is first received by the using organization, it is
ated equipment (fig. 2-2), care should be exer-
the responsibility of the officer in charge to de-
cised to prevent damage to the optical and
termine whether the materiel has been properly
mechanical parts, particularly when removing
prepared for service by the supplying organiza-
the instrument from the packing and crating
tion and to be sure it is in condition to perform
materials.
its function.
b. Visual Inspection. Examine the telescope
b. Make a record of any missing parts, tools,
carefully to be sure that aIl component parts are
equipment, and of any malfunctions. Correct any
present (fig. 21 ). In particular, check to see that
deficiencies as quickly as possible.
the identification plate, objective cover, and eye-
piece cover cap are present and that the telescope
does not rattle when shaken.
3-2. Duties.
c. Cleaning. Wipe off any excess lubricant that
The organizational mechanic performs the in-
may have spread onto painted or optical surfaces.
spection to determine whether the materiel has
Clean the exposed surfaces of the optical parts,
been properly prepared for service and is in con-
using clean lens tissue paper fastened to a length
dition to perform its assigned mission. It is the
of wood dowel. Dust or lint from the packing
duty of the operator to assist the organizational
materials may be removed from optical surfaces
with a clean camel's-hair artist's brush.
mechanic in the performance of these services.
Section Il.
REPAIR PARTS, TOOLS, AND EQUIPMENT FOR OPERATION
AND ORGANIZATIONAL MAINTENANCE
3-4. General.
3-6. Common Tools and Equipment.
Repair parts, tooIs, and equipment are issued
No standard or commonly used tools and
to the using organization for operating and main-
equipment other than those originally issued to
taining the observation telescope M49, telescope
organizational personnel, are required or au-
case M164, carrying case M42A1 and tripod M16.
thorized.
Tools and equipment should not be used for pur-
poses other than those prescribed and, when not
in use, should be properly stored.
3-7. Special Tools and Equipment.
No special tools and equipment are required
3-5. Repair Parts.
for the observation telescope M49 and tripod
Repair parts are supplied to the using organiza-
M15.
tion for replacement of those parts that become
worn, broken, or otherwise unserviceable.
3-1
