MIL-DTL-81919C(AS)
Internal circuits, their relationship to each other, input and output signals, waveforms and time-
phase relationship to significant waveforms shall be included when required to understand detailed
equipment operation. Basic theory, normally found in textbooks, shall not be included.
3.3.1.2.2 Complex equipment presentation. If the relative complexity of the equipment is
such that it is reasonable to first present the principles of operation of the end item as a unit or
system and then present the principles of operation of its major subassemblies or subsystems, it
shall be presented in a series of WPs. Supporting block diagrams and other required illustrations
shall appear in the same WP with the required text. The prime consideration in the makeup of
principles of operation WPs shall be the usability of the data by the maintenance technician.
3.3.2 Equipment preparation for use (end item and/or SE), if required. Step-by-step
procedures required to prepare the equipment for use, including special procedures for unpacking,
removing protective coatings, and setting up equipment furnished in a partially assembled state
shall be included. When the equipment is intended to be anchored or mounted in a fixed location
and installed by a supporting facility, installation procedures are not required. All information
required to make the equipment fully operable shall be included. The following items shall be
included: instructions for cabling or plumbing that must be made up from bulk items and tests
required during installation. A quality assurance reference to the operational checkout of the
equipment shall be provided in accordance with MIL-DTL-81927.
3.3.3 Testing and troubleshooting. Testing and troubleshooting data shall be developed to
support either manual test or automatic test procedures (automatic test procedures are those
which utilize Automatic Test Equipment (ATE)). Separate procedures shall be provided for each
major assembly, assembly, and subassembly identified to be replaced at the maintenance level(s)
covered by the manual. Testing and troubleshooting shall include but not be limited to:
3.3.3.1 General requirements.
a. Introduction. Introduction, including an explanation of the testing and troubleshooting
format and techniques.
b. Depth and scope of coverage requirements. The testing and troubleshooting procedures
are determined by the complexity of the test requirements, complex or non-complex. The
complexity of the test requirements is determined by the task analysis.
3.3.3.2 Operational checkout (testing) requirements:
a. Operational circuit tests. The maximum use of operational circuits using the appropriate
SE and:
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