TM 9-1290-357-15
REPAIR INSTRUCTIONS
GENERAL
Section l.
presented as guides to maintenance personnel in
51. Scope
the performance of their duties.
This chapter contains detailed instructions for
Note. In addition to manuals listed herein, refer to re-
the removal and disassembly, repair and over-
ferences listed in appendix A.
haul, assembly, and test and adjustment of the
aiming circle M1, w/e in direct support, general
support and depot maintenance shops.
a. Painting. Refer to TM 9213 for general
Note. This manual contains exploded view illustrations
information covering painting techniques.
which depict the complete disassembly of the materiel.
This should not be construed as authority to disassemble
b. Sealing.
materiel beyond that required to Perform operations
authorized on the maintenance allocation chart (MAC),
(1) "Spaghetti" is the most convenient f orm
for applying both the noncuring (MIL-S-11030)
the applicable columns in appendix B.
and the curing (MIL-S-11031) sealer to the te-
lescope.
5-2. Coating and Cementing
( 2 ) Use either the hand-operated gun
General instructions for coating and cementing
49315085424 or the pneumatic-operated gun
of optical elements as well as for operation of
49307648134, fitted with a small nozzle, to form
optical coating equipment are contained in MIL-
the spaghetti MIL-S-11031, Spaghetti should be
C-675.
used immediately.
(3) Lay a bead of spaghetti around the lens
5-3. Replacing Parts
seat of an optical element cell; use a lightly
In subsequent paragraphs, it is understood that
greased wood dowel to burnish sealer to the me-
authorized parts damaged beyond repair are to
tal. Pinch off a small piece of spaghetti for saw
be replaced.
slots, burnish in place; the same for screw heads.
c. Lubrication. Refer to MIL-L-6085A for lub-
5-4. General Maintenance Procedures.
ricating procedures.
TM 9254 presents those general maintenance
5-6. Cleaning
procedures that are often encountered in repair-
Refer to TM 9208-1.
ing fire control materiel. These procedures are
Section Il.
located in appendix B, unless otherwise indicated.
5-7. General
a. Remove special (1) and spring washer (2)
This section provides detailed instructions for
from azimuth mechanism.
the removal and disassembly of the aiming circle
and the sequence of operation.
b. Disengage worm by actuating azimuth worm
shoe (throwout device) (fig. 12).
c. Extract the orienting mechanism (3) from
(Azimuth and Orienting Mechanisms)
the body (4) and telescope assembly (5).
