1、 - MIL-PRF-62140B MIL-PRF-62 140B 25 April 1997 SUPERSEDING 18 December 1989 MIL-E-62 14OA(AT) PERFORMANCE SPECIFICATION ENGINE, DIESEL: LIQUID-COOLED, V-TYPE, -CYLINDER, 2 1 O H.P. This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scop
2、e. This specification covers a 2 1 O horsepower, 6-cylinder, V-type, liquid-cooled, 2-stroke-cycle, internal-combustion, compression-ignition (diesel) engine for use in military vehicles. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of t
3、his specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified
4、requirement documents cited in sections 3 and 4 of this specification, whether or not they are listed. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: U.S. Army Tank-automotive and Armaments Com
5、mand, ATTN: AMSTA-TR-EBLUE, Warren, MI 48397-5000, by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter. AMSC N/A FSC 2815 DISTRBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for
6、ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-6214OB = 9999906 2030925 547 MIL-PRF-6214OB 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards and handbooks form a part of this document to the extend sp
7、ecified herein. 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 (see 6.2). SPECIFICATIONS FEDERAL A-A-870 A-A-5027 1 - Plates, Id
8、entification. A-A-5 25 57 P-c-437 - dtifieezeCoolant, Engine: Ethylene Glycol, Inhibited Concentrated - Fuel Oil, Diesel; For Posts, Camps and Stations. - Cleaning Compound, High Pressure (Steam) Cleaner. DEPARTMENT OF DEFENSE MIL-L-2 104 Combaflactical Service. MIL-A-1 1755 - Antifreeze, Arctic-Typ
9、e. MIL-L-2 1260 MIL-A46 153 MIL-F-46 162 MIL-L-46 167 MIL-A-53009 - Lubricating Oil, Internai Combustion Engine, - Lubricating Oil, Internal Combustion Engine, - Antifreeze, Ethylene Glycol, Inhibited, Heavy - Fuel, Diesel, Referee Grade. - Lubricating Oil, Internal Combustion Engine, - Additive, An
10、tifkeeze Extender, Liquid Cooling Preservative and Break-in. Duty, Single Package. Arctic. Systems. STANDARDS DEPARTMENT OF DEFENSE MIL-STD-46 1 MIL- STD-462 - Control of Electromagnetic Interference Emissions - Measurement of Electromagnetic Interference and Susceptibility, Requirements for the. Ch
11、aracteristics, Test Method Standard for. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-HIL-PRF-IIOB 999990b 203092b 483 MIL-PRF-62 140B MIL-STD-1184 MIL-STD- 1400 - Electrical Components for Automotive Vehicles; - Engines, Gasoline and Diesel, Me
12、thods of Test. Waterproofness Tests. (Unless otherwise indicated, copies of the above specifications and standards, are available fi-om the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 191 11-5094.) 2.2.2 Other Government documents, drawings. and publication
13、s. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS DEPARTMENT OF DEFENSE 8738 127 - Engine (Complete). (Copies of these drawings are
14、available fi-om the U.S. Army Tank-automotive and Armaments Command, AMSTA-TR-EBLUE, Warren, MI 48397-5000.) NUCLEAR REGULATORY COMMISSION (NRC) Code of Federal Regulations (CFR) - Title 10, Part 40. (Copies of the Code of Federal Regulations (CFR) are available from the Superintendent of Documents,
15、 U. S. Government Printing Office, Washington, DC 20402.) 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations u
16、nless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.3. 3.2 Materiais. Unless otherwise specified herein, materials used shall be selected by the manufacturer. The diese
17、l engines shall be fabricated fFom compatible materials, inherently corrosion resistant or treated to provide against corrosion and deterioration during storage. and operational conditions experienced. Dissimilar metals shall not be used in intimate contact with 3 Provided by IHSNot for ResaleNo rep
18、roduction or networking permitted without license from IHS-,-,-MIL-PW-62 140B each other unless protected against galvanic corrosion. Asbestos, cadmium, and radioactive material will not be used in this item. Radioactive material is defined by Title 10, Code of Federal Regulations, Part 40, and othe
19、r radioactive material in which the radioactivity is greater than 0.002 microcuries per gram or 0.01 microcuries total activity for the item. (see 4.6.1) 3 2.1 Recvcled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable qaterials should be used to
20、 the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes . economically advantageous life cycle costs (see 4.6. i). - 3.3 Design and construction. The engine shall be constructed in accordance with Drawing 8738127 (see 4.6.1
21、and 4.6.2). 3.3.1 Accessories and equipment. Unless otherwise specified (see 6.2), all accessories and equipment shall be installed on the engine and properly adjusted. All electrical accessories and equipment, including wiring and electrical connections, shall conform to the applicable requirements
22、 of MIL-STD-1184 (see 4.6.1). 3.3.2 Interchanaeabilitv of parts. With the exception of parts furnished in material sets or for which a selective fit is specified, component assemblies, parts or service parts shall be so constructed as to facilitate ease of installation, replacement, and adjustment w
23、ithout requiring modification. Any design change that affects performance or changes the configuration of the above items requires Government approval (see 4.6.1). 3.3.3 Production break-in. The engine, using fuel oil conforming to grade 2 of A-A-52557, shall be given a break-in run by the contracto
24、r to ensure the engine, as submitted to the Government for acceptance, shall meet all requirements specified herein (see 4.6.3). 3.4 Performance. The engine performance requirements shall be met under the following conditions: a. Lubricating oil. Lubricating oil conforming to the seasonal requiremen
25、ts of MIL-L-2 104 fiom - 1 O to 1 15 degrees Fahrenheit (OF) and MIL-L-46 167 fiom -65 to 0F shall be used. The contractor may use oil of his own selection, or oil conforming to grade 2 of MIL-L-21260, during engine build-up and the break-in run (see 6.3.3). b. Coolant. Water and antifreeze compound
26、 conforming to MILLA-46153 heavy duty antifieeze or A-A-870, arctic-type antifreeze compound conforming to MIL-A-1 1755, or antifreeze extender additive conforming to MIL-A-53009 shall be used. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-P
27、RF-b2L40B W 999990b 2030928 256 = MIL-PRF-62 140B c. Rated oueratina conditions. The engine rating shall be corrected to the following conditions in accordance with MIL-STD-1400: Dry air barometric pressure Idet air temperature 85F Vapor pressure 0.38 in. ofHg Dry air density 29 inches (in.) of merc
28、ury ( Hg) 0.0705 pound per cubic foot (lb/ft3) 3.4.1 Endurance. Unless otherwise specified (see 6.2) , the engine shall retain 90 percent (%) of its rated horsepower (hp) after being subjected to a 400-hour endurance test without requiring any more maintenance than changing oil, replacing oil and fu
29、el filters, and minor adjustments (see 4.6.4). 3.4.1.1 Endurance run fuel. During the endurance run, the engine shall be operated with referee-grade diesel fuel conforming to MIL-F-46 162. 3.4.1.2 Endurance run lubricating oil. During the endurance run, the engine shall be operated with reference gr
30、ade lubricating oil conforming to MIL-L-2104 (see 6.3.3). 3.4.2 Speed range. The engine shall operate Satisfactrily under all loads and conditions as specified herein through a speed range of 1200 to 2785 revolutions per minute (rpm). The engine shall maintain an idle speed of 650 to 700 rpm when us
31、ing diesel fuel conforming to grade 2 of A-A-52557 (see 4.6.4). 3.4.2.1 Governor. The governor shall limit the engine speed as follows: Full-load operation No-load operation 2785 to 2835 rpm 2940 to 2990 rpm The engine speed with no load on the engine shall stabilize within 3 seconds (s) after full-
32、rack position is reached (see 4.6.2 and 4.6.4). 3.4.3 Brake horsepower (bhp). At the completion of the production break-in run, the engine operating at 2785 rpm and corrected to MIL-STD-1400 operating conditions, shall develop not less thn 202 gross bhp (see 4.6.4 and 6.3.2). 3.4.4 Torque. The engin
33、e operating at 1600 rprn shall develop not less than 420 pound-feet (lb-ft) observed torque using specified fuel at the completion of the production break-in run (see 4.6.4). 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- NIL-PRF-bZ19OB 9999906 2
34、030929 192 = Visual no. 3 3 1 MIL-PRF-62 140B Meter no. J./ 8 7 4 3.4.5 Exhaust smoke densitv. The exhaust smoke density at the full power position, when measured within 3 feet (fi) of the exhaust manifold outlet, shall not exceed the conditions specified in table I when using fuel specified herein
35、(see 4.6.4 and 6.3.4). Engine speed (rpm) 1800 2785 TABLE I. Pound per bhp-hour 0.460 0.450 Exhaust smoke density. Engine speed (rpm) 2600 - 1/ The meter reading shall have precedence over the visual reading. 3.4.5.1 Engine emissions. The engine shall comply with all current air emissions quality re
36、gulations (see 4.6. i). 3.4.6 Fuel consumption. With the engine operating at 2785 rpm, using fuel specified herein, the fuel consumption shall not exceed that specified in table II (see 4.6.4). 3.4.7 Oil consumption. After 25 hours (h) of operation, the engine shall consume not more than 0.007 pound
37、s (lb) of lubricating oil per observed bhp-hour, when operating at full rack throughout the power check phase of the engine with an oil sump temperature of 180 to 260F. The power check phase shall be determined at full rack position with the engine operating at full load at speeds of 1600,2000,2400,
38、 and 2785 rpm to assure meeting the performance requirements (see 4.6.4). 3.4.8 Oil pressure. Under all operating conditions specified herein, including a 1-quart-low oil sump condition, and with an oil sump temperature of not less than 180“F, the gallery oil pressure shall not be more than 80 pound
39、s per square inch (psi) nor less than 40 psi when the engine is operating at 2785 rpm using specified oil, and shall not be less than 5 psi when the engine is idling at 650 to 700 rpm (see 4.6.4). 3.4.9 Grades and slopes. The engine shall start and demonstrate the performance characteristics specifi
40、ed herein on longitudinal grades and lateral slopes up to 60% in all directions, when operated throughout the speed range of the engine, with full and 1-quart-low oil level conditions in the sump. As a result of said operation, no evidence of faulty lubrication, cooling, fuel supply, leakage, or oth
41、er malfunction shall be found (see 4.6.5). 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-62 140B 3.4.10 Steam and water iet cleaning. The engine and all its components shall withstand cleaning with a high-pressure steam cleaner conforming
42、 to P-C-437 and water jet without deterioration of seals or hoses, water leakage past seals or gaskets, or other defects (paint removal shall not be considered a defect). The jet shall be applied perpendicular to the surface being cleaned at a distance of not less than 1 fi from the surface and clea
43、ned at a rate of 1 square foot per minute (fi2/min.). The jet pressure shall not be less than 100 psi, nor more than 110 psi (see 4.6.6). 3.4.1 1 Electromagnetic compatibilitv. Unless otherwise specified (see 6.2), the engine shall meet the functional suppression requirements in accordance with appl
44、icable sections of MIL-STD-461 (see 4.6.7). 3.5 Environmental. The engine shall start within 2 minutes (min) and shall demonstrate the performance characteristics specified herein under any of the following conditions or possible combination of conditions (see 3.5.1 through 3.5.3) 3.5.1 Temperature
45、(see 4.6.8.1). a. m. With integral cold starting aid, and without external aids fuel and oil filters - dirt, chips, or foreign objects (see 3.3). Fuel, oil, and coolant - leakage (see 3.3). Fuel lines - damaged (see 3.3). Fuel system components - malfunction, damaged, or leaks (see 3.3). Fuel inject
46、ion system, timing, and components - malfunctioq improper adjustment (see 3.3). Cylinder head bolts, intake and exhaust manifold flange bolts, and vibration damper bolts - improper torque (see 3.3). Crankshaft - excessive or restrictive end play (see 3.3). Crankshaft pressure - exceeds limits (see 3
47、.3). Air cleaner - malfunction (see 3.3). Air box pressure - exceeds limits (see 3.3). Governor - malfunction (see 3.4.2.1). Workmanship - fulty affecting performance(see 3.8). Linkage - improper adjustment (see 3.3). Minor assemblies - omitted (see 3.3). Engine - improper adjustment or installation
48、 of components (see 3.3). Fuel lines, hose, vents, and shut-off valve - improper assembly or Exterior surface treatment - improper application (see 3.6). Corrosion - appearance of damage (see 3.6). Plates - improper (see 3.7). Workmanship - faulSr affecting appearance (see 3.8). installation (see 3.
49、3). Method of examination Gage Visual and functional Visual Visual and functional Visual and functional Gage and functional Torque wrench Gage and functional Gage Functional Gage Visual and functional Visual and functional visual Visual Visual and fwictional Visual Visual Visual Visual Visual 4.4.2 Conformance inspection tests. Subsequent to the examination of 4.4.1, the sample engines shall be subjected to the conformance inspection tests specified in
