MIL-DTL-24784/7C(NAVY)
3.7.1.7 Special facilities, test equipment, skills, and test conditions. This paragraph shall note the special or
unusual equipment, facilities, or personnel skills required to accomplish the TRS equipment overhaul. It shall
include the following information as required:
a.
The special facilities required to perform the overhaul shall be identified as prescribed and listed in tabular
form.
b.
Special test equipment (or acceptable alternative items) and repair aids required (specify quantities) in the
examination, repair (including alignment, adjustment, and troubleshooting), and performance or acceptance
testing of the items covered by the TRS, shall be identified and described. A tabular listing is preferred.
c.
Skills requiring special training shall be defined. This information shall be presented in a brief narrative
form or a tabular listing.
d.
Special work-station environmental conditions required in the overhaul process shall be specified:
atmospheric pressure, specific temperatures, relative humidity, or clean rooms. This information may be
appropriately detailed in table format.
3.7.2 Chapter 2 shipboard removal (and replacement). This chapter shall include procedural, inspection,
repair, data recording, and testing information with supporting appendices, danger, warning, and caution statements,
and sketches in accordance with applicable TRS requirements:
a.
Unit boundary identification (addressing overhaul considerations for complete or partial unit
overhaul/removal).
b.
Draining unit.
c.
Insulation removal (with appropriate asbestos hazard warnings).
d.
Interference, interface, and piping removal (with appropriate asbestos hazard warnings).
e.
Unit installation site (foundation, interface, and so forth).
(1) Preparation.
(2) Cleaning.
(3) Inspection.
(4) Repair.
(5) Blanking-off, tagging, and so forth (including applicable tag out requirements).
(6) Removal (and replacement) routes (where specific routes have been developed, they shall be included
or referenced as required).
3.7.3 Chapter 3 unit disassembly. This chapter shall specify the requirements for disassembly of the major
components of the unit to facilitate the work breakdown structure of a compound unit, as broken down into repair
sections in Chapters 4 through "n", as required. Procedural and data recording requirements with supporting
appendix pages, danger, warning, and caution statements, and sketches in accordance with the applicable
requirements shall be provided for the following:
a.
Major unit boundary identification.
b.
Coupling separation/interface and piping removal, electrical disconnection.
c.
Major unit removal.
3.7.4 Chapter 4 through "n" (and others as required) item overhaul procedures. These chapters shall contain
procedures, minimum test and inspection requirements, processes, methods, and data deemed necessary for the
satisfactory accomplishment of a Class B overhaul (see 6.2). Acceptance or rejection criteria for wear, deterioration,
dimensions, operating parameters, alignment, and other standards of acceptance shall be specified with limits listed
in the text and in Appendix C (see 3.7.8.4). Each component or major assembly shall be defined in a separate
chapter. The chapters and the sections within each chapter shall be arranged in a top-down logical sequence of
disassembly, repair, and assembly. Each chapter shall contain the following sections:
a.
Removal, disassembly, inspection, and repair procedures.
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