1、MIL-C-L347F Lt3 474440b 0271452 O W 1. 1.1 MIL-C-138 99F (ME 24 June 1985 SUPERSEDING MIL-C-l3899E(ME) 2 January 1979 MIL I TARY S PE CI F I CATXO N COMPRESSOR UNIT, ROTARY: AIR, WHEELBARROW-FRAME-MOUNTED, TWO PNEUMATIC TIRES, GASOLINE-ENGINE-DRIVEN, 60-CFM, 6.5-PSIG This specification is approved f
2、or use by the USA Belvoir Research and Development Center, Department of the Army, and is available for use by all Departments and Agencies of the Department of Defense. SCOPE Scope. This specification covers a gasoline-engine-driven, rotary-type, air compressor rated at 60 standard cubic feet per m
3、inute (scfm) at 6.5 pounds per square inch gage (psig). 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. Unless otherwise specified, the following specifications and standards of the issue listed in that issue of the - Department of Defense Index of Specification
4、s and Standards (DoDISS) specified in the solicitation, form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL FF-B-171 WW-C - 6 3 3 ZZ-H-500 - Bearings, Ball, Annular (General - Couplings, Hose, Pneumatic, Universal - Hose, Rubber, and Hose Assemblies, Rubber; Pneu
5、matic (Yarn or Fabric Reinforced). Purpose 1. 5Pe Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: USA Belvoir Research and Development Center, ATTN: STRBE-DS, Fort Belvoir, VA 22060-5606 by usin
6、g the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC 4310 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. - f THIS DOCUMENT CONTAINS PAGES Provided by IHSNot for ResaleNo reproducti
7、on or networking permitted without license from IHS-,-,-MIL-C-L3877F 43 m 7997706 0273953 2 m MILITARY MIL-V-173 MIL-P-514 MIL-T-704 MIL-F-3541 MIL-C-3600 MIL-G-3859 MIL-G-10924 MIL-G-20241 MIL-G-23827 MIL-C-46168 MIL-S-81733 STANDARDS FEDERAL FED-STD-H28 MILITARY MIL-STD-130 . MIL-STD-4 61 MIL-STD-
8、838 MIL-STD-889 MIL-STD-12 27 MIL-STD-1474 - Varnish, Moisture-and Fungus-Resistant (for Treatment of Communications, Electronic, and Associated Equipment). - Plates, Identification, Instruction and Marking, Blank. - Treatment and Painting of Materiel. - Fittings, Lubrication. - Compressor, Rotary,
9、Power-Driven; and Compressor, Reciprocating, Power- Driven: Air and Gas (Except Oxygen and Refrigerant), Packaging of. - Grease Guns, Hand, High-pressure, Lever-Operated; Cartridge and Bulk Loading (14 Ounce and 21 Ounce Capacity). - Grease, Automotive and Artillery. - Gasket Material, Wool Felt, Im
10、pregnated, - Grease, Aircraft and Instrument, Gear - Coating, Aliphatic Polyurethane, Chemical -Sealing and Coating Compound, Corrosion Adhesive, Pressure-Sensitive. and Actuator Screw. Agent Resistant. Inhibitive. - Screw Thread Standards for Federal Services. - Identification Marking of US Militar
11、y - Electromagnetic Interference Property. Characteristics Requirements for Equipment. - Lubrication of Military Equipment. - Dissimilar Metals. - Engine, Gasoline: Air-Cooled, 3 BHP, 4-Cycle, Military Design, Model 2A016, Installation Procedures. - Noise Limits for Army Materiel. 2 Provided by IHSN
12、ot for ResaleNo reproduction or networking permitted without license from IHS-,-,-HANDBOOKS MIL-C-13877F Y3 W 7799906 0273754 4 W MILITARY M IL-HDBK-113 - Guide for the Selection of Lubricants, Functional Fluids, Preservatives, Preserv- atives and Specialty Products for use in Ground Equipment Syste
13、ms. 2.1.2 Other Government document, drawing, and publication. The following other Government document, drawing, and publication form a part of this specification to the extent specified herein. ENVIRONMENTAL PROTECTION AGENCY (EPA) 40 CFR 204 - Noise Emission Standards for Construction Equipment. (
14、Application for copies should be addressed to the Superintendent of Documents, US Government Printing Office, Washington, DC 20402). DRAWING ME 132 14E 609 - Cap, Valve. (Copies of specifications, standards, and drawing required by contractors in connection with specific procurement functions should
15、 be obtained from the procuring activity or as directed by the contracting officer.) 2.2 Other publications. The following document(s) 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 cur
16、rent DoDISS and the supplement thereto, if applicable. AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) Performance Test Code for Displacement Compressors, Vacuum Pumps, and Blowers, PTC-9. ASME Boiler and Pressure Vessel Code, Section IX, Welding Qualification. (Application for copies should be addr
17、essed to the American Society of Mechanical Engineers, 345 East 47th Street, New York, NY 10017.) AMERICAN WELDING SOCIETY, INC. (AWS) ANSIIAWS D1.l - Structural Welding Code, Steel. ANSI/AWS D1.2 - Structural Welding Code, Aluminum. (Application for copies should be addressed to the American Weldin
18、g Society, Inc., 2501 NW 7th Street, Miami, FL 33125.) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-L3877F q3 U 777770b 0273755 b SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT Rule 442 - Usage of Solvents. (Application for copies should be a
19、ddressed to the South Coast Air Quality Management District, 9150 Flair Drive, El Monte, CA 91731). (Industry association specifications and standards are generally available for reference from libraries. using Federal agencies. They are also distributed among technical groups and 2.3 Order of prece
20、dence. In the event of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. 3. REQUIREMENTS 3.1 Description. The compressor unit (hereinafter called “compressor“) shall be portable and shall consist of a gasoline eng
21、ine, coupling, compressor pump, fuel storage tank, air discharge manifold, air-relief valve, mounting frame, air-delivery hoses, and all other components and accessories necessary to make it complete and self-contained. The compresor pump shall be directly driven through a coupling to the engine and
22、 shall produce a minimum of 60 scfm at 6.5 psig at an engine speed of 3,600 revolutions per minute (rpm). The dry weight of the complete unit (excludin*g hoses) shall not exceed 160 pounds, based on engine weight conforming to MIL-STD-1227 (see 6.8). 3.2 First article. The contractor shall furnish o
23、ne or more compressors for examination and testing within the time frame specified, 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. Examination and tests shall be as speci
24、fied in section 4 and, unless otherwise specified herein, all examination and tests shall be conducted by the 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 first article examination and tests, as s
25、pecified (see 6.2). 3.3 Initial production. When specified, the contractor shall furnish to the Government one or more compressors for inspection as specified in 4.4, 3.4 Material. Material shall be as specified herein and on the drawings. Materials not specified shall be selected by the contractor
26、and shall be subject to all the provisions of this specification (see 6.7). 3.4.1 Recovered materials. For the purpose of this requirement, recovered materials are those materials which have been collected from solid waste and reprocessed to become a source of raw materials, as distinguished from vi
27、rgin raw materials. The components, pieces and parts incorporated in the air compressor may be newly fabricated from recovered materials, provided the air compressor produced meets all other requirements of this specification. rebuilt or remanufactured components, pieces and parts shall not be incor
28、porated in the air compressor. Used, 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-, MIL-C-13877F q3 a 7777706 0273756 8 H 3.4.2 Material deterioration and control. The air compressor shall be fabricated from compatible materials, inherently corr
29、osion and deterioration resistant or treated to provide protection against the various forms of corrosion and deterioration that may be encountered in any of the applicable storage and operating environments to which the air compressor may be exposed. 3.4.3 Dissimilar metals. Dissimilar metals, as d
30、efined in MIL-STD-889, shall be electrically insulated from one another to minimize or prevent galvanic corrosion. corrosion inhibiting sealant conforming to MIL-S-81733 or chromate tape conforming to MIL-G-20241. by exclusion of the electrolyte if feasible. Insulation may be provided by an insulati
31、ng barrier such as a Protection against corrosion could also be obtained 3.4.4 Identification of materials and finishes. The contractor shall identify the specific material, material finish or treatment for use With components and sub-components, and shall make information available, upon request, t
32、o the contracting officer or designated representative. 3.5 Environmental conditions. 3.5.1 Operation. The compressor shall produce not less than rated capacity and pressure at any temperature from -25“ F to +120 F (see 3.8.1). 3.5.2 Precipitation. With rain falling at a.rate of 3 inches per hour, t
33、he compressor shall perform as specified herein. 3.6 Safety. All parts which are subject to high operating temperatures or which are energized electrically shall be insulated, fully enclosed, or guarded when such parts are exposed to contact by personnel or otherwise create a hazard. All moving part
34、s which are hazardous to personnel shall be enclosed or guarded. they do not endanger personnel. Nonfunctional sharp edges, projecting points, and excessive length of fastening devices shall be avoided. Protective devices shall not impair the operating functions. Warnings shall be mounted on or near
35、 components containing hidden hazards. guarded. Exhaust or discharges from the compressor shall be directed so that Engine starting pulleys shall not be 3.6.1 Noise limits. 3.6.1.1 Sound limits. The noise level when delivering rated capacity shall not exceed 85 dB(A) at 15 feet when tested in accord
36、ance with 4.6.2.14. The distance from the control panel at which the noise level is 85 dB(A) shall be determined; That distance shall be shown on warning plates mounted on both sides of the compressor, stating “Warning. Ear Protection Required within is met. feet“. The warning shall be legible from
37、the distance where the level 3.6.1.2 Personnel noise. If noise level exceeds 85 dB(A) at the control station when tested in accordance with 4.6.2.14, a feasibility study in accordance with MIL-STD-1474, 5.1.1.2, and cost estimate for reducing noise level to 85 dB(A) shall be provided. 5 Provided by
38、IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-L3877F 43 777770b 0273757 T E 3.6.1.3 Exterior noise. The compressor shall meet the requirements of EPA 40 CFR 204, when tested in accordance with 4.6.2.14.1. 3.7 Maintainability. The compressor shall operate
39、 as specified herein without repair or maintenance other than the contractors recommended normal schedule adjustments and servicing, as established by a maintenance schedule prepared and submitted by the contractor prior to test. and installed attachments shall be accessible for maintenance repair a
40、nd replacement without removal of other major assemblies and installed attachments not normally removed. adjustment shall be equipped with quick-disconnect fastenings. All fasteners shall be of corrosion-resistant material or shall be treated to be corrosion resistant. All screw threads shall be in
41、accordance with FED-STD-H28. Maximum use shall be made of interchangeable hardware and fastening devices. Means for drainage of lubricants, fuel, and condensate traps shall be in an accessible location and shall drain without splashing on any component or on operating personnel. The drain outlets sh
42、all be so located to facilitate complete drainage, Each maintenance, assembly or disassembly operation performed as a result of testing shall be accomplished by not more than two men using common tools and special tools furnished with the compressor. All major assemblies Cover plates which must be r
43、emoved for component 3.8 Performance. 3.8.1 Rated capacity. The rated capacity of the compressor at an engine speed of 3,600 rpm shall be not lessthan 60 scfm at 6.5 psig measured at the manifold with air intake filter installed. The compressor shall operate for 500 hours without overhaul and shall
44、produce rated capacity at 3,600 rpm when tested in accordance with 4.6.2.11. campressor intake and,discharge manifold shall not exceed 100“ F. The maximum temperature rise between the 3.8.2 Shock resistance. The compressor shall withstand the shocks imposed when dropped from a height of not less tha
45、n 18 inches onto a level concrete surface without any misalignment, permanent deformation, or damage. 3.8.3 Tilted operation. The compressor shall deliver rated capacity when operated at rated speed and pressure, tilted 15 degrees from the horizontal in any plane. 3.9 Pneumatic system. 3.9.1 Compres
46、sor pump. The compressor manufacturer shall provide data to demonstrate that the compressor pump requires no more than 3.5 horsepower (hp) at an engine speed of 3,600 revolutions per minute (rpm) to produce the output capacity specified in 3.8.1. The data shall be made available for review by the co
47、ntracting officer or the contracting officers representative. 3.9.2 Compressor air-intake cleaner. A dry-type air-intake cleaner shall be provided. The air cleaner shall be securely attached and braced where required to prevent damage from vibration and shall be located so as to minimize foreign 6 P
48、rovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-C-L3899F 43 M 9999906 0273958 L m I matter being drawn into the filter. The air cleaner shall be provided with a rain shield which shall prevent water from entering the air cleaner under conditions s
49、pecified in 3.5.2. 3.9.3 Air-discharge manifold. An air-discharge manifold shall be provided to receive the compressed air directly from the compressor pump. The manifold shall have an integral air-relief valve and two discharge ports fitted with hose couplings conforming to WW-C-633, type III, size 1 inch. Both discharge port couplings shall be furnished with caps (dead-end couplings) conforming to WW-C-633, type V. The caps shall be chained to the manifold to
