1、 Comments, suggestions, or questions on this document should be addressed to: WR-ALC/642 CBSG/GBEC, Robins AFB GA 31098-1813. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at https:/assist.daps.dla.mil/online. A
2、MSC/NA FSC 4930 MIL-PRF-32104 28 July 2010 SUPERSEDING A-A-59404 17-FEB-1999 PERFORMANCE SPECIFICATION MOBILE HYDRAULIC OIL DISPENSER This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers a portable self-con
3、tained unit (hereafter called “servicing unit”) that supplies clean filtered fluid to an aircraft reservoir and to related ground support equipment. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3, 4 and 5 of this specification. This section does
4、 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 requirements documents cited in sect
5、ions 3, 4 and 5 of this specification, whether or not they are listed. 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 extent specified herein. Unless otherwise specified, the issues
6、of these documents are those cited in the solicitation or contract. FEDERAL STANDARDS FED-STD-595/26173 Gray, Semigloss INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-32104 2 DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-DTL-0053030 Pr
7、imer Coating, Epoxy, Water Reducible, Lead and Chromate Free MIL-DTL-5541 Chemical Conversion Coatings on Aluminum and Aluminum Alloys MIL-DTL-81706 Chemical Conversion Materials for Coating Aluminum and Aluminum Alloys MIL-PRF-23377 Primer Coatings: Epoxy, High-Solids MIL-PRF-26915 Primer Coating,
8、for Steel Surfaces MIL-PRF-5606 Hydraulic Fluid, Petroleum Base, Aircraft, Missile, and Ordnance MIL-PRF-83282 Hydraulic Fluid, Fire Resistant, Synthetic Hydrocarbon Base, Metric, NATO Code H-537 MIL-PRF-85285 Coating: Polyurethane, Aircraft and Support Equipment MIL-PRF-87257 Hydraulic Fluid, Fire
9、Resistant; Low Temperature Synthetic Hydrocarbon Base, Aircraft and Missile DEPARTMENT OF DEFENSE STANDARDS MIL-STD-810 Environmental Engineering Considerations and Laboratory Tests MIL-STD-882 System Safety MIL-STD-889 Dissimilar Metals 2.3 Non-Government publications. The following documents form
10、a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) SAE-AS8090 Equipment, Towed Aerospace Ground, Mobility (SAE documents may be obtained at http:/www.
11、sae.org/servlets/index or from SAE, Inc., 400 Commonwealth Drive, Warrendale PA 15096.) Eaton Corporation 145-S5-16D Coupling Half, Quick Disconnect 155-S5-12D Coupling Half, Quick Disconnect (Application for additional information should be addressed to Eaton Corporation, 300 S East Ave, Jackson, M
12、I 49203-1973, (Aeroquip) 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein (except for related specification sheets), the text of this document takes precedence. Nothing in this doc
13、ument, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-32104 3 however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be s
14、ubjected to first article inspection in accordance with 4.2. 3.2 Servicing unit description. The servicing unit shall be portable, self-contained and designed for use with MIL-PRF-5606, MIL-PRF-87257 and MIL-PRF-83282 hydraulic fluids, capable of providing filtered flows to 7 gallons per minute (gpm
15、) at pressures to 300 pounds per square inch gage (psig). The pump is driven and operated by nitrogen. 3.3 Performance. The nitrogen storage capacity, to drive the pump, shall be enough to provide complete draining of the servicing units 50 gallon oil dispenser reservoir. All components shall be hou
16、sed within a weather-proof steel cabinet that shall be mounted on a pneumatic three-wheel type cart assembly. Operating controls and indicators shall be mounted on the control panel and inside the cabinet under the selector valve cover. The control panel shall display readings for the nitrogen bottl
17、es, regulator, pump drive, filter inlet, filter outlet, and pressure by-pass. A charging port for the nitrogen tanks shall also be provided. Flexible hoses are to be provided to fill the cart hydraulic oil reservoir and aircraft reservoir. Maneuverability shall be provided by a tow bar assembly for
18、the front wheels. Hinge covers shall provide access to the reservoir fill and all components for maintenance and inspection. The units reservoir for the medium shall be capable of storing 50 gallons (+/- 2 gallons). The reservoir shall include two quick disconnect points (Eaton Corp, Commercial and
19、Government Entity (CAGE) 00624, P/N 145-S5-16D or equivalent and P/N 155-S5-12D or equivalent) for attaching a hydraulic purifier. The capability of the filter unit shall be 3 microns absolute in a non-bypass filter housing and it shall have a disposable AN type element. The capacity of the two nitr
20、ogen tanks shall be 510 cubic inches (min) each at a maximum pressure of 2200 psig (storage) and 40 psig (driving). The pump shall be air (nitrogen) operated and shall be reciprocating with a 6.8:1 ratio. The hose supply (to aircraft) shall be 0.50 inch diameter x 20 ft long and the stand fill shall
21、 be 0.75 inch diameter x 8 ft long. 3.3.1 Physical characteristics. The servicing unit shall be a maximum of 75 inches in length, 38 inches in width, and 54 inches in height. The unit shall weigh not more than 2000 pounds (empty) 3.3.2 Cart assembly. The servicing unit shall be built on a pneumatic
22、three-wheel type cart assembly that shall be capable of being towed at 10 mph over improved surfaces. The cart shall meet the mobility requirements of SAE-AS8090, Type I, Class 2, Group C. Cart shall include a parking brake. Cart shall not include fenders, mud flaps and bumper. 3.4 Service life. The
23、 service life (out-of container) shall be no less than 15 years with regular maintenance as specified by the manual. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-32104 4 3.5 Maintainability. The unit shall be capable of being maintained an
24、d operated with minimal special tools and with commonly sized wrenches and tools found in a typical mechanics tool box. If special tools are required they shall be provided with each unit. The recommended preventive maintenance interval (PMI) shall be at least 750 operating hours. Preventive mainten
25、ance tasks shall not require more than 8 hours. 3.6 Environmental requirements. 3.6.1 Operating temperatures. The servicing unit shall be capable of performing as specified herein in ambient temperatures between -40 and +140F. 3.6.2 Humidity. Operation or storage in any relative humidity up to and i
26、ncluding 100% shall not damage the pump unit; including conditions where condensation takes place in the form of water and frost. 3.6.3 Sand and dust. The servicing unit shall not be damaged by operation or storage in atmospheres containing sand and dust particles as encountered in desert areas. 3.6
27、.4 Salt fog. The pump unit shall not be damaged by operation or storage in atmospheres containing salt-laden moisture such as encountered near bodies of salt water and in transportation on shipboard. 3.6.5 Storage environment. The unit shall be capable of meeting the requirements of this specificati
28、on (first article testing) after being subjected to each of the following environmental conditions: Air temperature -60 to +160F; relative humidity 5% to 99%; atmospheric pressure 28 to 31.4 inches of mercury. Exposure to each of these conditions should be for a minimum of 48 hours. The contractors
29、test plan shall detail the specific parameters and methods for conducting the storage environment test. 3.7 Protective coatings. Materials that deteriorate when exposed to sunlight, weather, or operational conditions normally encountered during the service life of the item shall not be used or shall
30、 have means of protection against such deterioration that does not prevent compliance with the performance requirements specified herein. Protective coatings that chip, crack, or scale with age or extremes of climatic conditions or when exposed to heat shall not be used. Fasteners, handles, and fitt
31、ings used in the assembly of the item shall also be primed and painted. 3.7.1 Surface preparation and pretreatment. Surface preparation and pretreatment shall be in accordance with the respective primer and topcoat specifications. Structures shall be cleaned and degreased and scuffed or blasted prio
32、r to priming; primer shall be applied before any oxidation or rusting occurs. Aluminum surfaces shall have MIL-DTL-81706, Type II, Class 1A, and MIL-DTL-5541, Type II, Class 1A, chemical conversion coating applied in accordance with the manufacturers directions prior to priming. 3.7.2 Primer. Raw me
33、tal edges, to include fastener and drain holes, shall be coated with primer before applying topcoat. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-32104 5 3.7.2.1 Ferrous surfaces. Ferrous structures and surfaces shall be primed with a wate
34、r reducible zinc rich primer in accordance with MIL-PRF-26915, Type II, Class B; this shall be followed, within four hours, by a coat of MIL-DTL-0053030 intermediate primer in a wet-to-wet primer application. This two part primer system shall yield a dry-film thickness of 2.0-2.5 mils for the zinc p
35、rimer and 0.9 to 1.1 mils for the intermediate primer. The two-primer system shall be allowed to dry and fully cure in accordance with the primer manufacturers directions prior to top coating. 3.7.2.2 Aluminum and mixed aluminum and ferrous surfaces. Aluminum and mixed aluminum and ferrous structure
36、s and surfaces shall be primed with an epoxy primer, Type II, Class N of MIL-PRF-23377. This single part primer system shall yield a dry-film thickness of 0.6 to 0.8 mils. 3.7.3 Topcoat. Topcoat shall be polyurethane in accordance with Type I, Class H of MIL-PRF-85285. Neither Chemical Agent Resista
37、nt Coating (CARC) nor powder coating shall be used. Topcoat shall be applied to a dry film thickness of 1.6 to 2.4 mils in all instances, regardless of the primer system utilized. The coating shall be free from runs, sags, orange peel, or other defects. 3.7.4 Dissimilar metals. Dissimilar metals, as
38、 defined in MIL-STD-889, shall not be in contact with each other. Metal plating or metal spraying of dissimilar base metals to provide electromotively compatible abutting surfaces is acceptable. The use of dissimilar metals only when separated by suitable insulating material is permitted, except in
39、systems where bridging of insulation materials by an electrically conductive fluid can occur. Sealants or gel type gasket materials shall be used between faying surfaces and butt joints. 3.7.5 Finish. The exterior finish color of the servicing unit shall be gray, semigloss, Color Number 26173 of FED
40、-STD-595. 3.8 Safety. The design of the servicing unit shall not contain any system safety mishap risk categories greater than low as defined in Table A-IV of MIL-STD-882. The units shall comply with the Federal OSHA requirements in effect as of the date the proposal is issued. In the event that sta
41、te and local OSHA regulations are also in effect, the Federal OSHA regulation shall take precedence. A safety report shall be submitted on the units operational safety. 3.9 Workmanship. The servicing unit, including all parts and accessories, shall be constructed and finished in a thoroughly workman
42、like manner. Workmanship objectives shall include freedom from blemishes, defects, burrs and sharp corners and edges; accuracy of dimensions, surface finish, and radii of fillets; thoroughness of welding, painting, and riveting; marking of parts and assemblies; and proper alignment of parts and tigh
43、tness of assembly fasteners. 3.9.1 Bolted connections. Bolt holes shall be accurately punched or drilled and shall be deburred. Threaded fasteners shall be tight and shall not work loose during testing or service usage. Provided by IHSNot for ResaleNo reproduction or networking permitted without lic
44、ense from IHS-,-,-MIL-PRF-32104 6 3.9.2 Riveted connections. Rivet holes shall be accurately punched or drilled and shall be deburred. Rivets shall be driven with pressure tools and shall completely fill the holes. Rivet heads shall be full, neatly made, concentric with the rivet holes and in full c
45、ontact with the surface of the component. 3.9.3 Cleaning. The servicing unit shall be thoroughly cleaned. Loose, spattered, or excess solder; welding slag; stray bolts, nuts, and washers; rust; metal particles; pipe compound; and other foreign matter shall be removed during and after final assembly.
46、 3.10 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the materials meet or exceed the operational and maintenance requirements and promotes economically advantageou
47、s life cycle costs. 4. VERIFICATION 4.1 Classification of inspections. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.2). b. Conformance inspection (see 4.3). 4.2 First article inspection. The first article servicing unit shall be subjected
48、 to the examinations, tests, and analyses described in 4.5.1 through 4.5.5.5. 4.3 Conformance inspection. Each production servicing unit shall be subjected to the examination described in 4.5.1. 4.4 Inspection requirements. 4.4.1 General inspection requirements. Apparatus used in conjunction with th
49、e inspections specified herein shall be laboratory precision type, calibrated at proper intervals to ensure laboratory accuracy. 4.4.2 Data. During all testing herein, at least the following data, unless not applicable, shall be recorded at intervals not to exceed 30 minutes. Additional data and/or shorter intervals shall be provided as appropriate for any specific test. a. Date. b. Time started. c. Time finished
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