1、MIL-M-8126OA (AS) 28 May 1971 SUPERSEDING 18 May 1965 MIL-M-81260 (WP) MILITARY SPECIFICATION MANUALS, TECHNICAL, AIRCRAFT/SYSTEM/ EQUIPMENT MAINTENANCE This specification has been approved by the Naval Air Systems Command, Department of the Navy. 1. SCOPE 1.1 This specification covers the requireme
2、nts for the pre- paration of technical manuals for organizational, intermediate and depot levels of maintenance for aircraft systems, components, accessories, and Ground Support Equipment (GSE) . This specification also covers technical manuals for the combined operation and intermediate maintenance
3、 of components and equipment. Technical manuals for intermediate and depot level maintenance of rfinstalled aircraft engines are not covered by this specification. 2. APPLICABLE DOCUMENTS 2.1 The following documents, of the issue in effect on the .date of invitation for bids or request for proposal,
4、 form a part of the specification to the extent specified herein: SPECIFICATIONS Military MIL-M-8910 MIL-M-38784 Manuals, Technical, Illustrated Parts Breakdown, Preparation of Manuals, Technical: General Require- ments for Preparation of TMSS Licensed by Information Handling ServicesMIL-M-81260A (A
5、S) Military (Cont) MIL-P-38790 MIL-C-38793 MIL-M-81203 PUBLICATIONS DOD Manual DOD 5220.22M NAVAIR 00-25-600 Printing Production of Technical Man- uals, General Requirements for Manuals, Technical: Calibration Pro- cedures, Preparation of Manuals, Technical, In-process Review, Validation and Verific
6、ation Support of Industrial Security Manual for Safe- Guarding Classified Information Manuals, Technical: In-process Reviews, Validation, and Verification, Support of 3. REQUIREMENTS 3.1 COVERAGE. - Technical manual(s) shall provide general and specific instructions required to perform organizationa
7、l, intermediate or shall be repeated only as specifically required for job performance and clarity. Standard shop practices and techniques contained in general maintenance en- gineering series manuals shall not be duplicated. Reference shall be made to such other manuals, as required. Instructions f
8、or maintenance of equipment utilizing authorized support equipment at the appropriate maintendnue level shall be included. The contractor shall use sound engineering principles and techniques, available engineering analysis, service experience, performance data on similar items, and all other reliab
9、ility and maintainability data available when expressing specific instructions . , depot level maintenance. Information contained in other maintenance manuals 3.1.1 Content Versus Equipment Configuration, - The technical manual content shall be consistent with current configuration, maintenance, and
10、 operational data of the equipment. The contents shall be validated by the con- tractor for accuracy and adequacy. 2 Licensed by Information Handling ServicesMIL-M-81260A (AS) 3.1.2 Source Data. - Reliability and maintainability documentation shall serve as a primary source of requirements, tasks an
11、d resources when such documentation is included within the equipment contract. 3.1.3 Types of Manuals. - The following types of technical manuals may be prepared to tb.is specification: Type I - Organizational Maintenance Manuals Type II - Intermediate Maintenance Manuals Type III - Depot Maintenanc
12、e Manuals 3.1.3.1 Coverage Options. - Coverage may be provided for a weapon system, subsystem, component, or accessory. The extent and method of coverage will be designated by the procuring activity and may provide for: a. A consolidation of any combination of Type I, II or III manuals. (Information
13、 presented for one level of maintenance shall not be dupli- cated in the coverage of the other level(s), unless such duplication is essential for clarity and continuity.) b. Preparation in single manual,or separately sectionalized manual format. c. Inclusion of an integral illustrated parts breakdow
14、n (IPB) prepared in accordance with MIL-M-8910. d. Preparation of a single manual to cover both operation and intermediate maintenance of components, (If the item is complex, a separate operation manual may be prepared.) 3.1.4 Security Classification. - The requirements established by DOD 5220.22M s
15、hall govern the handling of classified material When classified material is included, classification marking shall be in accordance with MIL-M- 38784. 3.2 MANNER OF PREPARATION. - General requirements for the preparation of technical manuals identified herein shall be in accordance with MIL-M-38784.
16、 Negatives (when required) shall be prepared in accordance with MIL-P-38790. Printing and binding (when required) shall be accomplished in accordance with MIL-P-38790. When multiple (separately sectionalized) manuals are prepared, each manual shall be considered independent for purposes of format. F
17、or example, each shall have a title page. “Aff page, table of contents, introduction, separate sections, chapters or covers (if applicable), etc, 3 Licensed by Information Handling ServicesM TL-M-81260A (AS) 3.2.1 Publications. - Pertinent maintenance information con- tained in existing military sta
18、ndards, Navy Technical Directives, instructions, and other sources shall be referenced and not repeated except where specifically re- quired for job performance and clarity. See appropriate publication indexes for listing. 3.2.2 Designations. - Text shall refer only to types or model of equipment co
19、vered by the manual(s). To facilitate later incorporation of ad- ditional series (different dash numbers), reference to type or model designation shall be held to a minimum consistent with clarity. Reference shall be expressed in definite terms, such as type or model, serial number range, or similar
20、 means. Military serial numbers and AN model designators shall be used when these de- signators have been assigned to the equipment, 3.2.3 Illustrations. - Illustrations shall be prepared in accordance with MIL-M-38784. 3.2.3.1 Exploded Views. - An exploded view of the equipment shall be used for re
21、ference in disassembly and reassembly instructions. Index numbers and a nomenclature list or legend, keyed to the index numbers, shall be used to identify each part, If the equipment is of such a nature that it cannot be adequately illustrated by a single exploded view, it may be exploded by subasse
22、mblies as separate views. In such cases, an exploded view showing the complete equipment exploded into its major assemblies shall be shown first. Parts serving to assemble the major assemblies shall be shown on this illustration. These views and those in the illustrated parts breakdown shallbe the s
23、ame, with the sequence of key in- dex numbers in the order of disassembly. If an illustrated parts breakdown is combined with a maintenance manual, the exploded view shall not be repeated; reference shall be from the maintenance portion to the IPB illustration. 3.2.3.2 Diagrams. - The manual(s) shal
24、l include diagrams and , and logic diagrams. b. Schematic diagrams. c, Others as approved by the procuring activity. 3.2.3.2.2.1 Functional Flow Diagrams. - Functional flow diagrams shall be included to the extent necessary for an understanding of the data flow within a system, subsystem, or compone
25、nt and its interaction with other systems or systems elements (see figures 1 through 6). 3.2.3.2.2.2 Schematic Diagrams. 3.2.3.2.2.2.1 Single Schematic Diagrams. - Where the nature of the equipment, relative complexity, and number of components make it practicable, a single schematic diagram shall b
26、e prepared to cover all components of the equipment covered in the manual(s) . 3.2.3.2.2.2.2 Separate Schematic Diagrams, - When a single diagram is not practicable, a separate diagram shall be prepared for each component or subgrouping of components. Interconnecting points for components covered in
27、 separate diagrams shall be identified. For example: circuits requiring contin- uation to other diagrams and which terminate with a plug, terminal strip, jack, etc., shall show a composite plug grouping. Each lead shall be extended through the plug, terminal strip, jack, etc., and labeled to indicat
28、e the necessary desig- nator of the first connection within the other component or other significant point of termination. 3.2.3.2.2.2.3 Component and Subassembly Identification. - When the equipment is covered by a single schematic diagram, individual components shall be identified by a series of b
29、roken lines forming a rectangle or closed box. When separate diagrams of components or subgroups of components are prepared, sub- assemblies shall be identified by a series of broken lines forming an enclosure. 5 Licensed by Information Handling ServicesMIL-M-81260A (AS) 3.2.3.2.2.2.4 Detail Parts I
30、dentification. - Detail parts shall be iden- tified by reference designations when such designations are applicable. Desig- .nations shall agree with those used in related engineering drawings. 3.2.3.2.2 2.5 Electrical Characteristics o - For each detail part, the principal electrical characteristic
31、s expressed in actual values (ohms, micro- farads, microhenrys, etc) may be tabulated on the apron and indexed by reference designations to applicable points on the diagram when sufficient space is not available on the diagram itself. Values shall normally be expressed as numbers, omitting the unit
32、of measurement (such as ohms). However, a general note shall state wllich units are used. 3.2.3.2.2.2.6 Wave Forms and Voltages. - Wave shapes, duration, and amplitude of voltages at significant test points throughout the circuit and at in- terconnecting points within the equipment or systems, under
33、 normal operating conditions and other specified conditions, shall be indicated on the schematic diagram of the component. 3 2 o 3 o 2.2.2.7 Simplified Schematic Diagram - Simplified schematic diagrams may be used in the preparation of material required by 3.2.3.2.2 o 1. 3.2.3.2.2.3 Power and Contro
34、l Diagrams. - Separate diagrams shall be prepared to show power and control circuits when it is impracticable to show such information on overall diagrams. Each power circuit and each control circuit with its relationship to signal circuits, using a combination of functional and schematic diagrams a
35、s required, shall be included. 3.2.3.3 Test Point Identification Symbols. - A system of test point identification by symbol shall be incorporated where appropriate on sche- matics, tables, charts, and illustrations. Test point identification symbols shall be assigned consecutively within a system or
36、 within a component. 3.2.3.3.1 Major Test Points. - A star-encircled test point numeral (see figure 9) shall be used to identify and designate test points used in checking overall functions of, and localizing trouble to, individual components, assemblies (such as IFstrips, oscillator circuits, or am
37、plifier stages) and groups of com- ponents. Major test points will always be identified on schematics, wiring dia- grams, tables, charts, and illustrations by use of the test point nmeral 1,2,3, etc, enclosed in a star, but will be referred to in the text as test point 1, test point 2, etc. Typical
38、examples of major test points are input terminals for sdpply source voltage, high voltage output terminals of the equipments power system, signal input terminals of equipment, signal output terminals of the equip- ment, input and output points of IF or AF amplifiers, oscillator circuits, and major p
39、oints of power or voltage distribution within the equipment. 6 Licensed by Information Handling ServicesMIL-M-81260A (AS) 3.2.3.3.2 Secondary Test Points. - An encircled capital letter (see figure 9) shall be used to identify and designate test points used in isolating causes of subnormal performanc
40、e with a specific assembly or subassembly of the equipment. These letters will always be identified on schematics, wiring diagrams, tables, charts, and illustrations by use of capital letters (A, B, C through 2; AA, AB through AZ; BA, BB through BZ, etc, ) enclosed in a circle, but will be referred
41、to in the text as test point A, test point B, etc. Typical ex- amples of secondary test points are circuit supply voltage terminals, signal in- jection points for gain measurements of a stage or a group of stages, and signal output points used in checking the gain of a stage or group of stages. 3.2.
42、3.3.3 Minor Test Points. - An encircled capital letter and Ara- bic numberal (see figure 9) shall be used to identify and designate test points used in isolating causes of abnormal indication within a specific circuit of the equip- ment. Minor test points will always be identified on schematics, wir
43、ing diagrams, tables, charts, and illustrations by use of a capital letter and Arabic numeral Al, A2, etc, enclosed in a circle, but will be referred to in the text as test point Al, test point A2, etc. Typical examples of minor test points to be so designated are signal injection and output points
44、of a stage for a check or measurement of gain, specific voltage and resistance check points, and other points used in checking for trouble in any specific circuit. Minor test points shall be numbered separately and consecutively within each circuit, starting with Al, A2, etc for the first circuit; B
45、1 , 32, etc, for the second circuit, etc. 3.2.3.3.4 Test Point Symbol Application. - Example of major, sec- ondary, and minor test points are shown in figure 9. 3.2.4 Maintenance Checks for Critical Procedures. - Mainte- nance check requirements shall be indicated for all maintenance procedures that
46、, if improperly performed, could cause equipment failure or jeopardize ground personnel. The need for these maintenance procedure checks will be indicated by use of underlining, italics, or bold type for an individual procedure when a check must be performed prior to proceeding to the next step, or
47、by summarizing at the end of the maintenance procedure the checks that can he performed after completion of the procedure. An explanation of the underlining, italics, or bold type shall be included in the introduction to the manual. 3.2.5 Lubrication, - Unscheduled lubrication requirements shall be
48、provided in applicable assembly procedures. Scheduled lubrication not co- vered by Maintenance Requirements Cards (MRC) shall be provided by depot maintenance D 3.2.6 “Make From! and flAssemble From11 Items. - Coverage shall be provided for items assigned source codes to reflect “make fromf1 and lla
49、ssemble from1! at the organizational and intermediate maintenance levels. 7 Licensed by Information Handling ServicesMIL-M-BL2bOA TM m 797990b 0953392 O m MIL-M-81260A (AS) Items whose manufacture or assembly is simpIe, and those items adequately depicted in the Illustrated Parts Breakdown, shall not be covered. 3.3 TECHNICAL CONTENT. - Technical content shall be ar- ranged as specified herein for Type I, Type II, and Type III manuals (See 3.4, 3,5, and 3,6). Data shall be consistent with the capabilities of the organization, intermediate and depot activities and the approved GSE.
