TM 11-6720-248-12
CHAPTER 5
ORGANIZATIONAL MAINTENANCE
5-1. Scope of Organizational Maintenance
Trichloroethane is not flammable, but
The duties assigned to organizational maintenance
exposure of fumes to an open flame
personnel for maintaining the camera set are listed
converts them to highly toxic,
below together with references to the paragraphs
dangerous gases.
covering specific maintenance functions.
a. Preparation. Before lubricating, clean the parts
with a soft, clean brush or a cloth slightly dampened with
trichloroethane. Thoroughly dry all parts. Do not allow
the trichloroethane to get on the lenses or on any rubber
b. Organizational preventive maintenance checks
surfaces.
Check the action of the camera set
periodically. Stiff or noisy operation indicates that the old
lubricants should be removed, the parts cleaned, and
new lubricants applied.
b. Lubrication Under Usual Conditions. The parts
listed below have been lubricated during assembly by the
manufacturer. They must be relubricated semiannually
e. Organizational repair and replacement of parts
(1) Apply a very thin coating of grease (GIA)
to the threaded portions of the leg hinge clamp screw
5-2. Tools, Test Equipment, and Materials Required
and the telescope clamp screw.
The parts replaced at organizational maintenance are
(2) Lubricate each hinge point of the tripod
legs with 2 to 3 drops of oil (FED VV-L-800).
materials required for organizational maintenance are as
c. Lubrication Under Unusual Conditions.
follows:
(1) In tropical, seacoast, and rainy areas,
a. Tools and Test Equipment.
lubricate the camera set at more frequent intervals. This
(1) Tool Kit, Photographic Repairman TK77-
will maintain a protective film of lubricant on bearing and
GF.
sliding surfaces and seal out damaging moisture.
(2) In desert, sandy, or extremely dusty areas,
b. Materials.
carefully clean the lubrication points to remove all sand
(1) Trichloroethane.
and gritty particles before lubricating. This will prevent
(2) Grease, Aircraft and Instrument (GIA
scoring and rapid wear of bearing and sliding surfaces.
(9150-985-7243)).
(3) Lubricating Oil, General Purpose (FED
5-4. Organizational Preventive Maintenance
(VV-L-800)).
Preventive maintenance is the systematic care,
5-3. Lubrication
servicing, and inspection of equipment to prevent the
CAUTION
occurrence of trouble, to reduce downtime, and to assure
that the equipment is serviceable.
When lubricating the camera set,
apply lubricants sparingly. Excessive
a. Inspection. The procedures given in paragraph
lubrication can cause damage to the
5-6 cover routine inspection essential in
maintaining
camera set and sensitize material.
serviceable equipment.
Remove
all
excess
lubricant
immediately. Do not allow lubricants
to contact the lens elements or the
roller surfaces.
WARNING
The fumes of trichoroethane are
toxic. Provide thorough ventilation
whenever used. DO NOT use near an
open flame.
5-1