MIL-DTL-24784 / 21B (SH)
equipment. The descriptions shall supplement and extend equipment safety instructions to the
equipment level, by warning of potential hazards that can be caused during operation or
maintenance.
3.6.2.1.3 Operational safety summary. A summary shall be included which emphasizes the
proper use of equipment controls, describes the hazards to operators, or as applicable, the hazards
to persons in areas remote from the operation, and recommends precautions. An emergency
operational routine shall be included which emphasizes the controls that permit immediate braking
or de-energizing of the equipment.
3.6.2.1.4 Maintenance safety summary. A maintenance safety summary shall emphasize the
proper use of controls, describe the hazards to maintenance personnel, potential damage to the
equipment, and recommend precautions.
3.6.2.1.5 Hazardous components. Identify and briefly describe the hazardous components
including radioactive devices and elements used with the equipment and summarize the general
handling precautions for such components. The description of a hazardous component shall
include brief statements as to the purpose, manner of functioning, nature of built-in safety devices,
and nature of the hazardous element; it shall also indicate the relative sensitivity of the component
to mechanical shock, vibration, electromagnetic and radioactive radiation, and electrostatic
charges.
3.6.2.2 Introduction. The introduction shall provide an explanation of the purpose, scope,
superseding data, and applicability of the technical manual, including the models, serial numbers,
and configurations covered. The interface relationship of the technical manual to other referenced
publications and the relationship of the equipment to referenced systems or other equipment shall
also be included. Warranty and guarantee information shall be included (see 6.2). The text shall
be supported by a diagram in accordance with MIL-DTL-24784 showing the interrelationships of
the equipment components (see figure 21-30). The major functional relationship and inputs and
outputs shall be indicated.
3.6.2.2.1 Physical arrangement. Equipment and components shall be listed and described. The
physical arrangement description shall be supported by separate illustrations identifying the
equipment (see figure 21-31). Interfacing equipment need not be listed in the text or called out in
the illustrations if they do not directly affect the operation or maintenance of the subject
equipment.
3.6.2.2.2 Equipment description. The equipment shall be identified and described. Descriptions
of operator-attended equipment shall include general statements as to the nature and purpose of
units and indicators. The text shall be supported by illustrations. All equipment shall be shown,
whenever possible, in relative-scale proportion. An equipment may be separately illustrated with
significant features called out, if such details are necessary for proper support of the text.
3.6.2.2.3 Equipment illustrations. Equipment illustrations shall be in accordance with
MIL-DTL-24784.
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