1、MILITARY S PECIF ICAT ION SAW, ABRASIVE DISK, CONCRETE: ENGINE-DRIVEN, SELF-PROPELLED, 12- To 24-INCH BLADE his specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. mis specification covers an engine-driven, self-propelled saw using a ci
2、rcular blade for sawing concrete and asphalt materials containing hard aggregate 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2-1.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this specification to the extent specified herein.
3、Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation. beneficial comments (recommendations, additions, deletions) and any pertinent da
4、ta which may be of use in improving this document should be addressed to: Belvoir Research and Development Center, ATTN: STRBE-DS, Fort Belvoir, VA 22060-5606 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.
5、USA AMSG NIA FSC 3895 DISTRIBUTION STATEMENT A. Approved for public release ; dis tribu tion is unlimited. 7 THIS DOCUMENT CONTAINS a PAGES. Licensed by Information Handling ServicesDIL-S-522L2G 38 777770b 02L8bb4 5 MIL-S-52212G SPECIFICATIONS FEDERAL QQ-S-781 TT-P- 6 64 PPP-B-621 PPP-B-636 PPP-P-40
6、 MIL LTARY MIL-P- 116 MIL-B- 12 1 MIL-P-5 14 MIL-T- 704 MIL-(3-5501 MIL-E-10062 MIL-G-10924 MIL-L-21260 MIL-C-46168 FED-STD-595 FED-CTD-HZ8 MILITARY MIL-STD-105 MIL-STD-129 MIL-STD-130 MIL-STD-209 MIL-STD-838 MIL-STD-889 MIL-STD-1186 - Strapping, Steel and Seals, - Primer, Coating, Synthetic, Rust-
7、Inhibiting, Lacquer-Resisting. - Boxes, Wood, Nailed and Lock-Cornerb - Boxes, Shipping, Fiberboard. - Packaging and Packing of Hand Tools. - Preservation-Packaging, Methods of. - Barrier Material, Greaseproofed, Water- - Plates, Identification, Instruction and - Treatment and Painting of Materiel.
8、- Caps and Plugs, Protective, Dust and - Engines: - Grease, Automotive and Artillery. - Lubricating Oil, internal Combustion Engine, - Tape, Pressure-Sensitive, Adhesive - Coating, Aliphatic Polyurethane, Chemical proofed, Flexible. Marking, Blank. Mois ture Ceal . Jturage of. Preparation for Shipme
9、nt and Preservative and Break-in, Preservation and Sealing Ageat llx with Appropriate Test Methods. by Attributes. 2 a a Licensed by Information Handling ServicesMIL-S-52212G 38 m 7999706 021b65 7 m MIL-S-52212G HIL-STD-1400 MIL-STD-1472 MIL-STD-1473 MIL-STD-1474 HANDBOOK MILITARY MIL-HDBK-113 - Eng
10、ine, Gasoline or Diesel, Methods of Test. - Human Engineering Design Criteria for Military Systems, Equipment and Facilities. - Standard General Requirements for Color and Marking of Army Material. - Noise Limits for Army Material. - Guide for th Sele tion of Lubri nts, Fluids, Preservatives and Spe
11、ciality Products for Use in Ground Equipment Systems. (Copies of specifications, standards, handbooks, drawings, publications, and other Government documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by t
12、he contracting activity.) 2.2 Other publications. The following document(s) form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted shall be those listed in the issue of the DoDISS specified in the solicitation.
13、issues of documents not listed in the DoDISS shall be the issue of the nongovernment documents which is current on the date of the solicitation. Unless otherwise specified, the AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM A 108 ASTM A 331 ASTM A 366 ASTM A 569 ASTM D 3951 - Specifications
14、for Cold-Finished Carbon Steel Bars and Shafting. - Specifications for Cold-Finished Alloy Steel Bars. - Specifications for Cold-Rolled Carbon Steel Sheets and Strip. - Specifications for Hot-Rolled Carbon Steel Sheets and Strip, Commercial Quality. - Standard Practice for Commercial Packaging. (App
15、lications for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pa. 19103.) RUBBER MANUFACTURERS ASSOCIATION (RMA) RMA 1P-20-1977 - Engineering Standards for Multiple V-Belt Drives. (Application for copies should be addressed CO the Rubber.
16、Manufacturers Association, 444 Madison Avenue, New York, NY 10022.) 3 Licensed by Information Handling ServicesMIL-S -5 2 21 2G SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) 588 - Sound Measurement - Earthmoving Machinery - Exterior. 5551 - Performance Levels and Methods of Measurement of Electromagnetic Ra
17、diation from Vehicles and Devices (20-1000 MHd. (Application for copies should be addressed to the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096.) (Nongovernment standards and other publications are normally available from the organizations hich prepare or hich distri
18、bute the documents . hese documents also may be available in or through libraries or other inorrnational services 1 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, (except for associated detail specifications, specifications
19、 sheets or MS standards), the text of this specification shall take precedence. shall supersede applicable laws and regulations unless a specific exemption has been obtained. Nothing in this specification, however, 3. REQUIREMENTS 3.1 Jscription. he saw shall be self-propelled, chassis mounted and e
20、ngine-driven with guide, water-pump, and the necessary controls and guards. The saw shaft shall be adaptable to cut on either side of the chassis with 12-, 14-, 18- and 24-inch diameter saw blades from 118- to 3IS-inch wide. 3.2 First article. When specified (see 6.21, a sample shall be subjected to
21、 first article inspection (see 4.3 and 6.3). Any changes or deviations of the saw from the approved first article during production will be subject to the approval of the contracting officer. Approval of the first articl will not relieve the contractor of his obligation to furnish the saw conforming
22、 to this specification. 3.3 Material. Material shall be as specified herein. Material not specified shall be seIected by the contractor and shall be subject to all provisions of this specification. 3.3.1 Material deterioration and control. The saw shall be fabricated from compatible materials that a
23、re inherently corrosion resistant or treated to provide protection against the various forms of corrosion and deterioration that may be encountered in any of the applicable operation and storage environments to which the saw may be exposed. 3.3.2 Dissimilar metals. Dissimilar metals shall not be use
24、d in intimate contact with each other unless protected against galvanic corrosion. metals and methods of protection are defined and detailed in MIL-STD-889. Dissimilar 3.3.3 Identification of materials and finish,es. “he contractor shall identify the specific material, material finish or treatment f
25、or use with 4 Licensed by Information Handling ServicesMIL-S-52212G 38 W 7777706 0218667 O = a O a MIL-S-52212G components and subcomponents, and shall make information available upon request to the contracting officer or the designated representative (see 6.2). 3.3.4 Common parts. Common hardware a
26、nd fastening devices such as bolts, nuts, screws, and washers shall be held to a minimum number of types and sizes and shall be threaded in accordance with PED-STD-H28. 3.3.5 Recovered materials. For the purpose of this requirement, recovered materials are those materials which have been collected f
27、rom solid waste and reprocessed to become a source of raw materials, as distinguished from virgin raw materials. The components, pieces and parts incorporated in the saw may be newly fabricated from recovered materials to the maximum extent practicable, provided the saw produced meets all other requ
28、irements of this specification. Used, rebuilt or remanufactured components, pieces and parts shall not be incoporated in the saw. 3.3.6 Interchangeability. All parts having the same manufacturers part number shall be functionally and dimensionally interchangeable. 3.4 Safety. 3.4.1 Safety. All expos
29、ed parts which are subject to high operating temperature or which are energized electrically shall be insulated, fully enclosed, or guarded. All moving parts which are of such nature or located such that they are a hazard to operating personnel shall be fully enclosed or guarded. Safety guards shall
30、 be mounted and shall either be removable or shall be provided with access doors or openings for servicing and inspection. shall not impair the operating and maintenance functions. gases shall be directed away from the operator. for the power transmission belts and saw blade. constructed such that t
31、he guard may be used on both sides of the saw. trailing edge of the blade guard shall be fitted with a rubber shield that will contact the surface when the saw blade contacts the surface. Protective devices Steel guards shall be provided The saw guard shall be The engine exhaust The 3.4.2 Noise limi
32、ts. The noise produced by the saw shall conform with MIL-STD-1474 requirements when tested in accordance with 4.5.2.13. The provisions of MIL-STD-1474, 4.3, and 4.4, shall be provided if and only if the procedures outlined in 5.1.1.2 of MIL-STD-1474 have been pursued and documented to the satisfacti
33、on of the procuring activity and written permission to exceed the 85 dB(A) limit is obtained from the procuring activity. Hazard signs shall conform with 4.3 of MIL-STD-1474, and be readable at the distance indicated on the sign. 3.4.3 Exterior noise. The saw shall meet the requirements of MIL-STD-1
34、474 for exterior noise construction and materials-handling equipment when tested in accordance 4.5.2.14. 3.5 Human factors engineering design requirements. The saw shall conform to accepted human factors engineering design criteria, as described in MIL-STD-1472. Special design emphasis shall be give
35、n, but not limited to, 4 (General Require- ments), 5.1 (Control/Display Integration), 5.2 (Visual Displays), 5.4 (Controls), 5 Licensed by Information Handling Services- _ - MIL-S-522L2G 38 m 777770b 02Lbb 2 MIL-S -522 126 5.5 (Labeling), 5.6 (Anthropometry), 5.9 (Design for Maintainability), 5.13 (
36、Hazards and Safety), of MIL-STD-1472, as applicable. 3.6 Maintainabili.ty. All major assemblies and installed attachments shall be accessible for maintenance repair, and replacement without the removal of other major assemblies and installed attachments. removed for component adjustment, repair, rep
37、lacement, or maintenance shall be equipped with quick-disconnect fastenings. Drain outlets shall be accessible. Ease of maintenance provisions shall incorporate features insuring operating clearances for handtools and lubricating equipment, and the accessibility for service operations such as adding
38、 oil to the engine crankcase and adding oil to the gear case. Each maintenance I assembly, or disassembly operation required during testing in accordance with 4.5.2.1 shall be accomplished by not more than two people (except a hoist and operator may be used 2s necessary) using only the special tools
39、 furnished with the saw and common tools. After completion of any maintenance operation, the saw shall operate as specified herein. Covers or plates which must be 3.7 Engine and accessories. 3.7.1 Engine. The saw shall be powered by a gasoline or diesel engine as specified (see 6.2) and shall be an
40、air-cooled, commercial industrial type, rated at not less than 30 horsepower. The saw under any of the requirements and test specified herein shall not require horsepower in excess of the continuous horsepower rating of the engine at governed speed. The engine shal1 produce the required performance
41、on unleaded or low-lead content gasoline if it is a gasoline type engine, or on diesel fuel if it is a diesel type engine (see 6.2). engine shall be equipped with a fuel tank with a capacity of not less than 5 gallons, a housing with removable side panels, electrical 12 volt cranking system, a batte
42、ry charging generator or alternator system of not less than 25 ampere capacity and an instrument panel equipped wih the following: The a. Engine lubricating oil pressure gage. b. cr Mechanical or electrical hour meter. Battery charging ammeter or volt meter. The instrument panel shall be located in
43、full view of the operator during all normal operating conditions. 3.7.2 Batteries. Batteries shall be manufacturer s standard commercial battery. protected from the weather by a storage compartment which has drain holes and is treated with acid resistant paint. lhe battery terminals shall be provide
44、d with guards to prevent accidental shorting. Batteries shall be shipped charged and dry. lhe batteries shall be 3.8 Blade shaft and drives. 3.8.1 Blade shaft. The blade shaft shall be fabricated of solid steel conforming to ASRI A 108 or A 331, grade optional, and shall be mounted on double tapered
45、 roller bearings. A 1-inch diameter arbor shall be provided on each end of the blade shaft. Provisions shall be made to prevent the blade shaft from turning while removing and replacing the blade The shaft must allow the saw blade 6 Licensed by Information Handling Servicesb MIL-S-522L2G 38 7777906
46、02LBbb9 LI = to be attached to either side. when used with the respective saw blades, the following minimum cutting depths shall be possible: The diameter of the collars shall be such that, Saw blade diameter Cutting depth (inches 12 14 18 24 c inches) 3-11 2 4-112 6-1/2 9 3.8.2 Drives. The engine t
47、orque shall be transmitted to the blade shaft by V-belts. The V-belt tension shall be adjustable. The saw shall be furnished equipped for operation with saw blades either 12 or 14 inches in diameter; in addition, the necessary parts and components to adapt the saw for operation with blades 18 and 24
48、 inches in diameter shall be furnished. The V-belt drives and the V-belts shall conform to RMA 1P-20-1977. 3.9 Saw blades. When specified (see 6.2), saw blades shall be furnished in the following types, sizes, and quantities: Quant it y Type and size of blade 4 4 2 2 2 12-inch diamond blades 14-inch
49、 abras ive blades 14-inch diamond blades 18-inch abrasive blades 24-inch diamond blades (wet and dry type) (wet and dry type) 3.10 Box for accessories, blades, and tools. fabricated of steel conforming to ASTM A 366 or A 569, 0.0747-inch in nominal thickness, shall be furnished with each saw. The box shall have the capacity to store the drive accessories specified in 3.8.1 and 3.8.2, the blades specified in 3.9, and the tools specified in 3.6. such as compartments or holddowns to keep each item or group of items in their respective place regardless of the position in wh
