Section I. GENERAL
of Operator Maintenance
The maintenance duties assigned to the opera-
4-2. Materials Required for Operator
tor of the searchlight set are listed below together
with a reference to the paragraphs covering the
specific maintenance function. The duties assigned
The materials required for cleaning the search-
do not require tools or test equipment.
a. Operator weekly preventive maintenance
a. Soft, clean, lint free cloth.
b. Fresh water and mild soap.
Section II. OPERATOR PREVENTIVE MAINTENANCE
and services procedures. If an abnormal condi-
4-3. Preventive Maintenance
tion is found and the defect cannot be remedied
Preventive maintenance is the systematic care,
by the operator, higher category of maintenance
servicing, and inspection of equipment to prevent
or repair is required. Records and reports of these
the occurrence of trouble, to reduce downtime, and
checks must be made in accordance with the re-
to assure that the equipment is serviceable.
quirements set forth in TM 38-750
a. Systematic Care. The procedures given in
4-4. Preventive Maintenance Checks and
care and cleaning essential to the proper upkeep
and operation of equipment.
Preventive maintenance checks and services of
b. Preventive Maintenance Checks and Serv-
ices. The preventive maintenance checks and serv-
graph 4-5 specifies checks and services that must
be accomplished weekly and under the special
performed at specific intervals. These checks and
conditions listed below.
services are to maintain Army electronic equip-
a. When the equipment is initially installed.
ment in a combat-serviceable condition; that is,
in good general (physical) condition and in good
b. When the equipment is reinstalled after re-
operating condition. The chart indicates what to
moval for any reason.
check, how to check, and what the normal condi-
c. At least once each week if the equipment is
tions are. The References column lists the illus-
maintained in a standby condition.
trations or paragraphs containing detailed checks
4-5. Operator Weekly Preventive Maintenance Checks and Services Chart