1、MIL-C-52Y7D q3 I 779770b 0277055 O Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: US Army Mobility Equipment Research and Development Command, ATTN: DRDME-DS, Fort Belvoir, VA 22060 by using th
2、e self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by i L- a t MIL-C-52477D(ME;) 7 February 1983 SUPERSEDING MIL-C-52477C(ME) 2 November 1977 MILITARY SPECIFICATION COMERES SOR UNIT, RECIPROCATING, GASOLINE-ENGINE-DRIVEN , AIR, 4-CF
3、M, O- TO 3,500-PSIG, WHEEL MOUNTED This specification is approved for use by the Mobility Equipment Research and Development Command, Department of the Army, and is available for use by all Departments and Agencies of the Department of Defense. 1, SCOPE 1.1 Scope. This specification covers a 4 cubic
4、 feet per minute (cfm), O- to 3,500 pounds per square inch, gage (psig), gasoline-engine-driven, wheel- mounted, air compressor. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.-1 Specifications and standards. Unless otherwise specified (see 6.21, the following specifications and standards of
5、the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DODISS) specified in the solicitation, form a part of this specification to the extent specified herein. SPECIFICATION FEDERAL QQ-C-3 20 QQ-N-29 O QQ-P-416 - Chromium Plating (Electrodeposited). - Nick
6、el Plating (Electrodeposited). - Plating, Cadmium (Electrodeposited). FSC 4310 1 . THIS DOCUMENT CONTAINS 35 PAGES. f Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-52477D q3 W 799970b 07705b 2 W MILITARY MIL-V-173 MIL-P-5 14 MIL-T-704 . MIL-C
7、-3600 MIL-G-3859 MIL-V-4 7 19 MIL -M-8 O9 O MIL-G-8348 MIL-R-8573 MIL-G-10924 MIL-C-14550 MIL-L-23699 MIL-G-2382 7 MIL-T-2 5 36 3 MIL-C-2605 8 MIL-H -3 8 39 O MIL-C-81751 MIL-C-83488 MIL-C -8 3 95 9 MIL-C-8 71 15 Di spers ion. STANDARDS FEDERAL FED-STD-H28 MILITARY MIL-STD-130 - Varnish, Moisture-an
8、d-Fungus-Resistant (for Treatment of Communications, Electronic and Associated Equipment). - Plates, Identification, Instruction and Marking, Blank. - Treatment and Painting of Materiel. - Compressors, Rotary, Power-Driven; and Compressors, Reciprocating, Power-Driven: Air and Gas (Except Oxygen and
9、 Refrigerant), Packaging of. - Grease Guns, Hand-perated, Lever, Push and Screw Type. - Valves, Oxygen Line, High Pressure, Aircraft Servicing. - Mobility, Towed Aerospace Ground Equipment, General Requirements for. - Gage Assemblies, Air Pressure, Dial Indicating Chuck Type, Self Contained (Asg) .
10、- Reservoirs, Air, Nonchatterable Steel. - Grease, Automotive and Artillery. - Copper Plating (Electrodeposited). - Lubricating Oil, Aircraft Turbine Engine, Synthetic Base. - Grease, Aircraft and Instrument, Gear and Actuator Screw. * - Tank, Pneumatic Pressure, Aircraft, Glass Fiber. - Cartridge,
11、Gas Purifier, Extremely Low Dewpoint, Type MA-2. - Hose Assembly, Tetrafluoroethylene, Pneumatic, High Pressure. - Coating, Metallic Ceramic. - Coating, Aluminum, Ion Vapor Deposited. - Cylinder, Air Purifier. - Coating, Immersion Zinc Flake/Chromate - Screw Thread Standards for Federal Services. -
12、Identification Marking of US Military Property . 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - L - MIL-C-52477D LI3 W 9979706 0277057 LI m MIL-C-52477D(ME) i MIL-STD-209 - MIL-STD-4 6 1 - MIL-STD-889 MIL-STD-1410 MIL-STD- 147 4 MS3106 MS28889
13、MS3 3 6 5 6 MS3 5844 Eis49006 DRAWINGS AIR FORCE 7 34 7 1 14 - Slinging and Tiedown Provisions For Lifting and Tying Down Military Equip- ment. Electromagnetic Interference Characteristics Requirements for Equipment. Dissimilar Metals, Methods for Selection of Industrial Engines for End Item Applica
14、tion. Noise Limits for Army Materiel. Connector, Plug, Electric, Straight, Solder Contacts, AN Type. Valve, Air, High Pressure Charging. Fitting End, Standard Dimensions for Flared Tube Connection and Gasket Seal. Plug, Machine Thread, Magnetic: Drain. Plugs, Pipe, Magnetic - Headless; Aluminum, Iro
15、n or Steel. Chuck Assembly, High Pressure Air. 2.1.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this specification to the extent specified herein. ENVIRONMENTAL PROTECTION AGENCY (EPA) e 40 CFR, Part 85
16、- Control of Air Pollution From New Motor Vehicles and New Motor Vehicle Engines. (Application for copies should be addressed to the Superintendent of Documents, US Government Printing Office, Washington, DC 20404). DEPARTMENT OF TRANSPORTATION (DOT) Code of Federal Regulations, Title 49, Chapter 1,
17、 Section 178.37 Specification 3AA; Seamless Steel Cylinders Made of Definitely Prescribed Steels- (Application for copies should be addressed to Superintendent of Documents, Government Printing Office, Washington, DC 20402.) DEPARTMENT OF LABOR (DOL) Occupational Safety and Health Administration, 29
18、CFR 1910 OSHA Safety and Health Standards. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-52L177D L13 77777Ob 0277058 b MIL-C-52477D(ME) (Application for copies should be addressed to the Superintendent of Documents, US Government Printing O
19、ffice, Washington, D.C. 20402. (Copies of specifications, standards, and drawings required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer. ) 2.2 Other publications. The following document(s)
20、form a part of this specification to the extent specified herein. The issues of the documents which are indicated as DoD adopted shall be the issue listed in the current DoDISS and the supplement thereto, if applicable. AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) Boiler and Pressure Vessel Code.
21、 Section VIII, Rules for Construction of Unfired Pressure Vessels. Section IX, Welding Qualifications. Performance Test Code PTC-9 Displacement Compressors, Vacuum, Pumps, and Blowers. (Application for copies should be addressed to the American Society of Mechanical Engineers, 345 East 47th Street,
22、New York, NY 10017). SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT Rule 102 - Photochemically Reactive Solvents. (Application for copies should be addressed to the South Coast Air Quality Management District, 9150 E. Flair Drive, El Monte, CA 91731.) AMERICAN WELDING SOCIETY, INC. (AWS) D1.l - Structu
23、ral Welding Code, Section 5, Qualification. (Application for copies should be addressed to the American Welding Society, Inc., 2501 NW Seventh Street, Miami, FL 33125.) SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) SAE Handbook. (Application for. copies should be addressed to the Society of Automotive Engin
24、eers, 400 Commonwealth Drive, Warrendale, PA 15096.) (Industry association specifications and standards are generally available for reference from libraries. using Federal agencies.) They are also distributed among technical groups and i 2.3 Order of precedence. In the event of a conflict between th
25、e text of this specification and the references cited herein, the text of this specification shall take precedence. O 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3. REQUIREMENTS 3.1 Description. The compressor unit (hereinafter called “compress
26、or“) shall cansist of a gasoline engine, fuel storage tank, pneumatic system with multistage reciprocating compressor pump, and all necessary accessories, assembled within a wheel-mounted frame, to produce a complete, self-contained portable unit. pounds. The maximum dimensions shall be 55 inches lo
27、ng, 28 inches wide, and 35 inches high, including all attachments. The compressor shall withstand the operating and proof pressures specified herein without leakage or permanent deformation. The dry weight of the complete compressor shall not exceed 300 3.1.1 Drawings. The drawings forming a part of
28、 this specification are end No deviation from the prescribed dimensions or tolerances is product drawings. permissible without prior approval of the contracting officer. Any data (e.g. shop drawings, layouts, flow sheets, processing procedures, etc.) prepared by the contractor or obtained from a ven
29、dor to support fabrication and manufacture of the production item shall be made available, upon request, for inspection by the contracting officer or his designated representative. 3.2 First article (preproduction model). The contractor shall furnish a compressor for examination and testing within t
30、he time frame specified (see 6.2), to prove prior to starting production that his production methods and choice of design detail will produce compressors that comply with the requirements of this specification. unless otherwise specified (see 6.21, all examination and tests shall be conducted by the
31、 contractor subject to surveillance and approval by the Government (see 6.4). When specified (see 6.21, the Government will conduct any or all of the preproduction examination and tests. Examination and tests shall be as specified in Section 4 and, 3.3 Material. Material shall be as specified herein
32、 and as shown on the drawing. be subject to all provisions of this specification (see 6.7). Materials not specified shall be selected by the contractor and shall 3.3.1 Corrosion-resistant treatment. Corrosion-resisting treatment shall consist of galvanizing to G90 coating designation for steel sheet
33、s or electrodepositing in accordance with QQ-P-416 Class 1, Type II or chromium in accordance with QQ-C-320 Class I, optional finish, or copper in accordance with MIL-C-14550, Class 1, or nickel in accordance with QQ-N-290, Class 1, Grade C. In addition the following coatings may be used: Metallic-c
34、eramic in accordance with MIL-C-81751 (Type and class selection depends on application); aluminum in accordance with MIL-C-83488 Class 1, Type II and a dispersion coating in accordance with MIL-C-87115, Class 1. 3.3.2 Dissimilar metals. Nonpermiscible galvanic couples (dissimilar metals) as defined
35、in MIL-STD-889, shall be insulated from each other by a coat of chromate primer, zinc chromate tape, electrical tape, or other equally effective means. 3.3.3 Material deterioration prevention and control. The compressor shall be fabricated from compatible materials that are inherently corrosion resi
36、stant or 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I- MIL-C-52477D 43 - 777770b 02770bO 4 - MIL-C-5 2477D (ME) O suitably treated to provide protection against the various forms of corrosion and deterioration that may be encountered in any of
37、 the applicable operating and storage environments. 3.3.4 Identification of materials and finishes. The contractors shall have written documentation which identifies the specific material and material finish or treatment for use with components and subcomponents that make up a complete compressor un
38、it. inspection by the contracting officer or his designated representative. This documentation shall be made available, upon request, for 3.4 Environmental conditions. 3.4.1 Storage temperatures. The compressor shall not be damaged by storage at a temperature of minus 50“ F for periods up to 6 hours
39、, and plus 155“ F to 160“ F for periods up to 4 hours. 3.4.2 Operation. The compressor shall operate as specified herein at any temperature from minus 25“ F to plus 120“ F. 3.4.3 Precipitation. falling at.a rate of 3 inches per hour at any angle from the vertical to 45 degrees from the vertical. cra
40、nkcases. The compressor shall perform as specified herein in rain Water shall not leak into the air intakes or 3.5 Safety. all moving parts shall be insulated, fully enclosed, or guarded and in compliance with OSHA regulations. allow spills or overflows to run onto engine or exhaust. from the compre
41、ssor shall be directed so that they do not endanger personnel. Protective devices shall not impair the operating functions. Nonfunctional sharp edges, projecting points, and excessive length of fastening devices shall be avoided. hazards such as automatic blow-down discharges. All parts which are su
42、bject to high operating temperatures and Fuel tanks shall be located in a manner which will not Exhaust or discharges Warnings.shal1 be mounted on or near components containing hidden 3.5.1 Sound level. The sound level of the compressor while it is operating at full speed, shall be in accordance wit
43、h MIL-STD-1474, Category D for steady-state noise when tested in accordance with 4.6.2.16. If the sound level of the compressor at the microphone location and conditions exceeds 85 dB(A), documentation that category D limits are clearly beyond the state-of-the-art shall be provided, noise levels wil
44、l be reduced to the lowest feasible, and the distance from the compressor at which a limit of 85 dB(A) is met shall be determined. That distance shall be shown on hazard signs mounted on both sides of each production compressor, stating: “Caution hearing protection required within - feet when equipm
45、ent is operating (see 3.16). The caution shall be legible from the distance shown on the hazard sign. Hearing protectors need not be supplied with the compressor. shall include the appropriate discussion of the noise hazard in accordance with MIL-STD-1474, including the hearing protection, the noise
46、 level of the item, and the distance from the compressor at which the 85 dB(A) limit is met. When the caution notice is required, manuals 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-52477D 43 799790b 0277062 6 3.6 Maintainability. 3.6.1 M
47、aintainability. The compressor shall operate as specified herein without repair or maintenance other than the manufacturers recommended normal t scheduled adjustments and servicing as established by a maintenance schedule prepared and submitted by the contractor prior to test or corrective maintenan
48、ce actions. All major assemblies shall be accessible for servicing, repair, and replacement without the removal of other major assemblies. must be removed for component adjustment or repair shall be equipped with quick-disconnect fastenings. material or shall be treated to be corrosion-resistant. Al
49、l screw threads shall be in accordance with FED-STD-H28. and types of hardware and fastening devices shall be held to a minimum. for drainage of lubricants, fuel, and condensate traps shall be in accessible location and shall be accomplished without splashing on any component. All maintenance, assembly, or disassembly operations shall be accomplished with common tools, and special tools furnished with the compressor. Cover plates which All fasteners shall be
