OPERATOR AND ORGANIZATIONAL MAINTENANCE
care and cleaning essential to proper upkeep and
3-1. Scope of Maintenance
operation of the equipment.
The maintenance duties assigned to the operator and
b. Preventive Maintenance Checks and Services.
organizational repairman of the equipment are listed
The preventive maintenance checks and services charts
below, together with references to the paragraphs
covering the specific maintenance functions. The tools
at specific intervals. These checks and services are to
maintain Army electronic equipment in a combat-
serviceable condition; that is, in good general (physical)
a. Operator's daily preventive maintenance checks
condition and in good operating condition. To assist
operators in maintaining combat serviceability, the chart
indicates what to check, how to check, and what the
b. Operator's weekly preventive
normal conditions are. The references column lists the
paragraphs, figures, or manuals that contain detailed
repair or replacement procedures. If the defect cannot
c. Organizational monthly preventive maintenance
be remedied by the corrective actions listed, higher
category of maintenance or repair is required. Records
and reports of these checks and services must be made
d. Organizational quarterly preventive maintenance
in accordance with the requirements set forth in
3-3. Preventive Maintenance Checks and Services
Preventive maintenance checks and services of the
equipment are required daily, weekly, monthly, and
a. Paragraph 3-4 specifies the checks and services
3-2. Preventive Maintenance
that must be accomplished daily (or at least once each
week if the equipment is maintained in standby
Preventive maintenance is the systematic care,
servicing, and inspection of equipment to prevent the
occurrence of trouble, to reduce downtime, and to
b. Paragraphs 3-5, 3-6, and 3-7 specify additional
assure that the equipment is serviceable.
checks and services that must be performed on a
weekly, monthly, and quarterly basis, respectively.
a. Systematic Care.
The procedures given in
3-4. Operator's Daily Preventive Maintenance Checks and Services Chart
Item to be inspected
Completeness ......................Check to see that the equipment is complete ..................Para 1-6.
Exterior surfaces .................Clean the exterior surfaces, including the panel meter
glasses. Check meter glass and indicator lenses for
Connectors ..........................Check the tightness of all connectors.
Controls and indicators ........While making the operating checks (sequence No. 5
below), check to see that the mechanical action of