MIL-DTL-24784 / 21B (SH)
level maintenance facility. When more than one level of maintenance shall be provided for,
organizational and intermediate level troubleshooting procedures shall be separated such that the
organizational-level troubleshooting procedures are identified as "Organizational-Level
Troubleshooting Procedures" and are presented first. Intermediate-level troubleshooting
procedures shall follow organizational-level procedures and shall be identified "Intermediate-Level
Procedures." Immediately following this title the following statement shall be included: "These
procedures are authorized for Intermediate-Level (or higher) activities (tender, shore facility, and
depot)." The material in Chapter 5 shall be presented in the following ten separate sections:
a.
Safety precautions.
b.
Introduction.
c.
Support equipment, tools, test equipment, and consumable items.
d.
Reference data.
e.
Diagnostic descriptions.
f.
Diagnostic operating procedures.
g.
Maintenance turn-on procedures.
h.
Troubleshooting procedures.
i.
Troubleshooting diagrams.
j.
Coding.
3.6.6.1 Safety precautions. A reference to the safety precaution data contained in Chapter 1
shall be included as the initial paragraph ahead of the introduction.
3.6.6.2 Introduction. The introduction shall explain the approach and logic of the
troubleshooting principles presented in the manual. The section shall introduce the
troubleshooting process and show how it relates to troubleshooting data in other chapters of this
manual.
3.6.6.3 Support equipment, tools, test equipment, and consumable items.
3.6.6.3.1 Troubleshooting index. The troubleshooting index shall be presented in tabular form.
The index shall list all equipment, major and supporting functions in alphabetical order, provide
references to the technician to the appropriate procedures and diagrams that are to be used to
troubleshoot a specific function (see MIL-DTL-24784).
3.6.6.3.2 Relay and lamp indices. These indices shall be prepared in tabular form for all relay
coils and indicator lamps. The relay and lamp indices shall include the item reference designation,
the functional name, energizing voltage, and a reference to the troubleshooting diagram(s). Any
components which are part of a circuit card assembly that is a lowest replaceable unit shall not be
listed on the component indices (see MIL-DTL-24784).
3.6.6.3.3 Protective device index. This index shall list all protective devices, such as fuses,
circuit breakers, and so forth. The index shall include the item reference designation, front panel
marking of the device, trip-out value of the circuit breaker and rating of fuses, name of the circuit
protected and a reference to troubleshooting diagram(s) (see MIL-DTL-24784).
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