MIL-DTL-24784/20B (SH)
cable plug reference designators and their physical position shall correlate with the unit number's
physical position. The entries within these columns refer to the pin numbers on the connectors
and the signal flow.
3.6.8.3.3 Signal name column. This column shall give the name of the signal associated with a
wire. The term "NOT USED" shall indicate an unwired connector pin. The term "SPARE" shall
indicate a wire that can be used in the future (or in an emergency). The term "UNUSABLE
SPARE" shall indicate a signal line not presently used but that cannot be used as a spare.
3.6.8.3.4 Signal characteristics column. This column shall describe the electrical characteristics
of power and supply signals listed in the "SIGNAL NAME" column.
3.6.8.3.5 Comments column. This column shall contain grounding notes and other pertinent
information. The comments column shall also contain general remarks such as revision dates for
table entries and references to footnotes.
3.6.8.3.6 General table data. The general table data block at the bottom of each sheet shall
contain information which applies to the entire table. This block shall show the manufacturer's
code, the cable drawing number, the revision level, and the sheet number.
3.6.9 Chapter 8, Unit level maintenance procedures. Chapter 8 shall be prepared as Unit Level
Maintenance manuals for each unit. The technical manual shall therefore contain a separate part
of Chapter 8 for each (or like) units. Each Part of Chapter 8 will contain Sections 1-5. When a
Chapter 8 part requires 2 or more physical binders, the section(s) contained in each binder shall be
clearly listed on the cover and title page of that binder. Procedures shall be included for
troubleshooting to the lowest replaceable unit designated as organizational level by the equipment
maintenance plan of the unit described. Troubleshooting procedures shall be included for
corrective action where the automatic diagnostic program recommendations fail to solve the
problem and for any circuits not tested by an automatic diagnostic program. Applicable tools for
performing each removal, replacement, or maintenance action shall be listed before each
procedure.
3.6.9.1 Section 1, General information and safety precautions. All safety precautions necessary
for the protection of personnel and the ship shall be included as part of the introduction, in
accordance with 3.6.6.1.
3.6.9.1.1 Introduction. The introduction shall provide an explanation of the purpose, scope,
supersedure 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, as applicable.
3.6.9.2 Section 2, Functional description. Section 2 shall include a detailed analysis of the
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