AIR FORCE MIL-P-9388B-1986 PUMP PRESSURE OIL FREE AIR TYPE MA-2《MA-2型无油型空气压力泵》.pdf

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1、MIL-P-73B Lb M 7797906 0388650 7 M 27 OCTOBER 1986 SUPERSEDING MIL-P-9388A(USAF) 30 November 1973 MILITARY SPECIFICATON PUMP, PRESSURE, OIL FREE AIR TYPE MA-2 This specificaton is approved for use within the Department of the Air Force and is available for use by all Departments and Agencies of the

2、Department of Defense. 1, SCOPE 1.1 Scope. ? This specification covers one type of portable 28- volt direct current electric motor driven, oil free air pressure pump unit, designated Type MA-2 . ri 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and handbooks. The

3、following specifications, Unless otherwise specified, the issues of these documents shall be those standards, and handbooks form a part of this specification to the extent specified herein, listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement

4、 thereto, cited in the solicitation. SPECIFICATIONS FEDERAL PPP-B-60 1 PPP -B- 167 2 TT-E-489 TT-P-1757 MILITARY MIL-P-116 DOD-D-1000 MIL-C-554 1 MIL+-557 2 MIL-P-7 105 MIL-S-7742 Boxes, Wood, Cleated Plywood Boxes, Shipping, Reusable With Cushioning Enamel, Alkyd, Gloss, (For Exterior and Interior

5、Surf aces) Primer Coating, Zinc Chromate, Low Moisture Sensitivity Preservation, Methods Of Drawings, Engineering and Associated List Chemical Conversion Coatings On Aluminum Alloys Gasoline, Aviation, Grades 80/87, 100/130, 115/145 Pipe Threads, Taper, Aeronautical National Form, Symbol ANPT, Gener

6、al Requirements For Screw Threads, Standard, Optimum .Selected Series, General SpecfFication For Beneficial comments (recommendations, additions, deletions) and any pertinent data which may of use in improving this document should be addressed to: Oklahoma City Air Logistics Center/MMEDO, Tinker AFB

7、 O distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-8512 Support Equipment, Aeronautical, Special, General Specification For The Design Of MIL-M-8609 Motors, DC, 28 Volt System, Aircraft, General Specification For MIL-

8、A-8625 Anodic Coatings, For Aluminum And Aluminum Alloys MIL-C-83488 Coating, Aluminum, Ion Vapor Deposited STANDARDS FEDERAL FED-STD-151 Metal, Test Methods MILITARY MIL-STD- 10 5 MIL-STD-129 MIL-STD-130 MIL-STD-143 MIL-STD-831 MIL-STD-889 MS 3102 MS 33543 MS 33649 MS 33656 Sampling Procedures And

9、Tables For Inspection By Attributes Marking For Shipment And Storage Indentification Marking Of U.S. Military Property Standards And Specifications, Order Of Precedence For The Selection Of Test6 Reports, Preparation Of Dissimilar Metals Connector, Receptacle, Electric, Box Mounting Criteria Tempera

10、ture And Altitude Range Blast Cooled Electric Equipment Boss, Fluid Connection-Internal Straight Thread Fitting End, Standard Dimensions For Flared Tube Connection And Gasket Seal (Copies of specifications, standards, and drawings required by contractors in connection with specific acquisition funct

11、ions should be obtained from the contracting 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. issues of the documents which are DOD adopted shall be those listed in the issue of th

12、e DODISS specified in the solicitation. 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 Unless otherwise specified, the issues ASTM B633 Zinc On Iron And Steel, Eiectrodeposited

13、Coating Of ASTM D3951 Packaging, Commercial (Applications for copies should be addressed to: Philadelphia, PA 19103). ASTM, 1916 Race St. 2.3 Order of precedence, In the event of a conflict between the text of this epecification and the references cited herein (except for associated detail specifica

14、tions, specification sheets or MS standards), the text of this specification shall take precedence. supersede applicable laws and regulations unless a specific exemption has been obtained. Nothing in this specification, however, shall . a Provided by IHSNot for ResaleNo reproduction or networking pe

15、rmitted without license from IHS-,-,-MIL-P-73BB 16 m 9999906 OLB652 O MIL-P-9388B (Nongovernment standards and other publications are normally available from the organizations which prepare or which distribute the documents. These documents also may be available in or through libraries or other info

16、rmational services), 0 3. REQUIREMENTS 3.1 First article. When specified in the contract or purchase order a sample shall be subjected to first article inspection (see 4.3.1 and 6.3). 3.2 Component parts. The electric motor driven oil free air pressure pump unit shall consist of an intergrated pump

17、and motor. 3.3 Materials. Materials and processes used in the manufacture of oil free air . pressure pump units shall be of high quality and suitable for the purpose intended. 3.3.1 Metals. 3.3.1.1 Dissimilar. The use of dissimilar metals shall be avoided wherever practicable, or if they must be use

18、d, they shall be treated to give satisfactory protection in service and meet the other requirements stated herein. Dissimilar metals are defined in MIL-STD-889. 3.3.1.2 Castings. Castings shall be of uniform quality and condition, free from cracks, excessive blow holes and porosity, and other injuri

19、ous defects. 3.3.2 Protective treatment. When materials are used in the construction of air pressure pump units that are subject to corrosive conditions likeiy to occur during service usage, they shall be protected against corrosion resulting from these conditions in a manner that will in no way pre

20、vent compliance with the performance requirements of this specification. crack, chip, or scale with age or extremes of atmospheric conditions, shall be avoided . The use of any protective coating that will 3.3.3 Selection of materials. Specifications and standards for all materials, parts and Govern

21、ment certification and approval of processes and equipment, which are not specifically designated herein and which are necessary for the execution of this specification, shall be selected in accordance with MIL-STD-143, except as provided in the following paragraph. 3.3.3.1 Standard parts. Standard

22、parts (MS, AN, or JAN) shall be used wherever they are suitable for purpose, and shall be indentified on the drawings by their part numbers. Commercial utility parts such as screws, bolts, nuts, cotterpins, etc., may be used, provided they possess suitable properties and are replaceable by the stand

23、ard parts (MS, AN, or JAN) without alterations, and provided the corresponding standard part numbers are referenced in the parts list, and if practicable, on the contractors drawings. 3.3.3.2 Recovered materials. Recovered materials shall be used to the maximum extent possible without jeopardizing t

24、he end use of the item. 3.4 Design. The pump unit shall be designed to operate primarily as a pressure pump for maintaining sea level pressure in low capacity systems at high altitudes. The- pump shall deliver oil free- air at the outlet. O J 3 Provided by IHSNot for ResaleNo reproduction or network

25、ing permitted without license from IHS-,-,-3.5 Environmental. 3.5.1 Temperature. The pump unit shall be capable of starting and operating satisfactorily at temperatures ranging from minus 65 to plus 160 degrees F. at altitudes varying from zero to 50,000 feet in accordance with curve II of MS33543.

26、3.5.2 Operation. The pump unit shall operate satisfactorily, as defined herein, when subjected to the conditions specified in 4.3.8, 3.6 Rated capacity, The capacity of the unit shall be at least that shown in Figure 1. 3.7 Mounting position. The pump unit shall operate satisfactorily in any mountin

27、g position without causing damage or shortening the life of the equipment. 3.8 Direct current electric motors. Direct current electric motors shall be in accordance with MIL-M-8609. 3.9 Check valve. A check valve shall be incorporated within the pump unit and placed in the outlet port, to prevent an

28、y leakage of air back into the pump unit when it is not running. The valve shall show no leakage back into the pump unit when a pressure differential of 25 inches of mercury is applied. check valve shall be in accordance with MS33656-5, Style E, for attachment of 5/16 inch O.D. tubing. The outlet of

29、 the 3.10 Electrical properties. 3,10,1 - Motor. The electric motor, built integrally with the pump, shall operate continuously for 15 minutes, then be cut off for a maximum of 45 minutes for 900 cycles; and 30 minutes on with a 30 minute maximum offtime for 100 cycles. 3.10.2 required watts at Powe

30、r. The power consumption under any conditions, except starting as by the Capacity of calibration inspection, shall be no greater than 120 rated voltage. The current drawn for cold starting shall be no more than 20 amperes at each start and no more than six amperes 15 seconds after starting. The powe

31、r consumption should be no more than 120 watts after the motor has run for a period of one minute. 3.10.3 Rated voltage. The rated voltage shall be 26.0 t2.5 volts. 3.10.4 Electrical connectors. The electrical receptacle on the motor shall be an MS3102-10S-2P with suitable fittings. 3.11 Dimensions.

32、 as shown in Figure 2. The pump unit dimensions, including all projections, shall be 3.12 Weight. 3.13 Construction, work loose in service. Vibrations, and other conditions incident to shipping, storage, installation and service The weight of the complete pump unit shall not exceed 3.5 pounds. The p

33、ump unit shall be constructed so that no parts will The pump unit shall withstand the strains, jars, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-73B Ib 7999706 0188654 4 3.13.1 Maintenance. The pump unit shall be constructed so repairs may

34、be made 0 by personnel of operating units and overhaul bases without the use of special tools. Special tools are defined in MIL-D-8512. 3.14 Performance . The pump unit shall satisfactorily complete the performance inspections when subjected to the inspections specified in Section 4. 3.15 Lubricatio

35、n. The pump unit shall not require external lubrication during its life. 3.16 Threads . 3.16.1 Screw. All machine screw threads shall conform to MIL-S-7742. 3.16.2 Pipe. Pipe threads shall not be used except for permanent closures in which case the pipe threads shall be in accordance with MIL-P-7105

36、. 3.17 Interchangeability, All parts having the same manufacturers part number shall be directly and completely interchangeable with each other with respect to installation and performance. governed by the drawing number requirements of DOD-D-1000. Changes in manufacturers part numbers shall be 3.18

37、 Finish. 3.18.1 Aluminum alloy parts. Aluminum alloy parts shall be anodized in accordance with MIL-A-8625, or chemically treated in accordance with MIL-C-5541. 3.18.2 Steel parts. Steel parts shall be coated with ion vapor deposited aluminum, where practicable, in accordance with MIL-C-83488, type

38、I or II as applicable and of a class that is adequate to achieve the degree of protection required. demonstrated to be satisfactory and approved by the preparing activity. plating must be avoided when alternative processes can be used. zinc plated in accordance with ASTM B633. Other protective coati

39、ng, in lieu of MIL-C-83488, may be used if Cadmium Steel parts may be 3.18.3 Unfinished surfaces. All external surfaces, except anodized aluminum alloy, corrosion resisting metals, working surfaces, threads, and plated parts, shall be finished with one coat of primer conforming to TT-P-1757 and one

40、coat of enamel conforming to TT-C-489, Type I except that the mounting base holes and the bottom of the mounting base shall not be enameled. 3.19 Marking. The inlet and outlet ports shall be marked “In“ and “Out“ respectively on the unit and shall be as shown on Figure 2. 3.20 Indentification of pro

41、duct. Equipment, assemblies, and parts shall be marked for indentification in accordance with Standard MIL-STD-130. The indentification data applied to the pump unit shall be as follows: Pump, Pressure, Oil Free Air, 28V DC Type MA-2 Specification MIL-P-9388A(USAP) Stock Number Manufacturers Part Nu

42、mber Manufacturers Serial Number Contract or Order Number Manufacturers Name or Trademark US Property 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.21 Cleaning, The pump unit shall be throughly cleaned of loose, spattered, or excess solder, met

43、al chips, or other foreign matter, before and after final assembly. 3.22 Workmanship The pump unit, including all parts, shall be constructed and finished in a thoroughly workmanlike manner. to neatness and thoroughness of drilling and tapping operations, wiring, soldering, machine screw assemblies,

44、 and freedom of parts from burrs and sharp edges. Particular attention shall be given 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as s

45、pecified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the government. any of the inspections set forth in the specifi

46、cation where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. I The government reserves the right to perform 4.101 Responsibility for compliance. All items must meet all requirements of sections 3 and 5. The inspection set forth in this specif

47、ication shall become a part of the contractors overall inspection system or- quality program. of any inspection requirements in the specification shall not relieve the contractor of the responsibility of assuring that all products or supplies submitted to the government for acceptance comply with al

48、l requirements of the contract, Sampling in quality conformance does not authorize submission of known defective material, either indicated or actual, nor does it commit the government to acceptance of defective material. The absence 4.2 Classification of inspections. The inspection requirements spe

49、cified herein are classified as follows: a. First article inspections (see 4.3.1), b. Quality conformance inspection (see 4.4). 4.3 Inspection conditions. Unless otherwise specified by the contracting activity, the pump shall be installed or inspection in accordance with conditions and apparatus a shown in Figure 3. 4.3.1 First article inspection. First article inspection shall consist of all inspections of section 4. 4.3.2 First article sample. First article sample shall cons

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