TM 11-6720-242-35
irrigate with water and get medical
not be performed until the localization and isolation of
attention
immediately.
Launder
the malfunctioning part has been established. However,
contaminated clothing before reuse.
in some cases such as the power supply assembly
removal of the board assembly requires almost a
(1) Stir part A and part B separately and
complete disassembly of the power supply unit.
warm each to a temperature that is between 1130 to
1220 F. (45 to 500 C).
b. Reassembly and installation procedures are
mostly a reversal of the disassembly and removal
(2) Weigh out 100 parts of part A and place in
procedures but where dimensions, special conditions, or
a container. Add 80 parts of part B, by weight, and mix
application of materials are to be observed, the
the batch thoroughly. The pot life of the mixture is 1 1/2
reassembly and installation procedures include this
hours, at room temperature.
pertinent information and must not be ignored.
(3) Clean the uncoated area with Chlorothene
3-9. Repair and Alinement of Body Drive, Aircraft
Nu, Dow Chemical Co.; or Methyl Alcohol purchased as
Camera LA-41 1A Components
Colombian Spirits, or with Denatured Ethyl Alcohol,
Procedures for the repair and alinement of the camera
purchased as Synasol.
body assemblies and parts by direct support personnel
are contained in the following paragraphs.
(4) Mask test points, electrical contacts, and
3-10. Removal and Installation of AEC Assembly
mating surfaces of connectors. Make certain adjustable
NOTE
parts are not made inoperable by the coating.
In addition to the aec mechanism,
the aec assembly includes the
(5) Apply a coat of the compound that is
cathode ray tube and an associated
between 0.001 and 0.006 inch in thickness. Fillets
requiring rigidity are not subject to these dimensions.
lens and mirror assembly of the adas
system, the cam follower of the imc
(6) Cure the coated assembly for 4 hours at a
system, and the end of film switch.
temperature of 1490 10 F. (650 100 C).
Maintenance at the direct support
level is limited to the removal and
(7) Shelf life of the material, in unopened
replacement of an aec assembly from
containers and at a temperature of 770 F. (250 C.), is 6
the camera body. Repairs and
months. Refrigeration below 20 (-6.70 C.) may extend
replacements of aec assembly
the life to 1 year.
components are the functions of
higher maintenance personnel.
f. Coat the threads of attaching screws with glyptal
a. Removal.
7526F, General Electric Co.
(1) Remove four screws (6, fig. 3-4 (1))
g. The repair and alinement procedures are
attaching dust cover (5) to aec housing (24, fig.
grouped as follows:
(1) Body Drive, Aircraft Camera LA-411A
(2) Disconnect the electrical connector (68,
(2) Control, Aircraft Camera LA-412A para
fig. 33 (2)) of the aec harness assembly with care to
3-16).
prevent damage to the pins. Rotate the two captive
screws of connector (68) alternately, a turn or two at a
(3) Panel, Control Aircraft Camera LA413A
time. This will withdraw the connector pins from the
(para 331).
mating sockets of the camera body connector in a
straight line.
(4) Magazine, Film LA-410A (para 339).
(3) Remove six screws (25, fig. 34 (2))
3-8. Considerations Before Disassembly
securing aec assembly (24) to the camera body housing.
a. The exploded views which are used as
Lift the aec assembly out of the housing vertically.
reference in the removal, disassembly, reassembly, and
installation procedures show all assemblies and parts
b. Installation.
removed from a component. But the step-by-step
instructions of this section limit disassembly to a
(1) The installation of an aec assembly is the
minimum of practicality by the removal of only those
reverse of the removal procedures of a above.
parts that are to be replaced or repaired. Disassembly
for the purpose of repairing or replacing a part, should
3-7
