1、MIL-C- 9911 (USAI?) ,9 June 1961 MILITARY SPECIFICATION CLEANEL1, STEAMs PFE3SURE JET, SKID MOUNTED 1. SCOPE 1.1 This specification covers one type of electrically operated, skid- mounted, kerosene or diesel fuel-fired, pressure jet, steam cleaner. 2. APPLICAEILE DO-TTS 2.1 tion for bids, form a par
2、t ofthis specification to the extent spsci- fied herein: The following documents of the issue in effect on date of invita- SPECIFICATIONS Federal PS-751 CC 45-63 6 Military JAN-P-100 MIL-C-104 WP-17555 MILI-26600 MIL-D-70327 Steam Cleaning Compound Motors, Fractional Horsepower, (Uternatkng- Current
3、) Hose, Rubber, Steam Boxes, Wood, Cleated-Plywood Boxes, Wood, Nailed and Lock-Corner Packaging and Packing for Overseas Shipment, General. Specification Crates, Wood; Lumber and Plywood Sheathed, Nailed and Bolted Preservation, Methods of Varnish, Noisture and Fungus Resistant, for the Treatment o
4、f Communication mectrical and Associated Electrical Equipment Test Reports, Preparation of Preservation, Packaging, Packing, and Marking of Electric Nachines Hving Rotating Parts and Associated Repair Parts Preparation for Delivery of %lectric Equipment, Miscellaneous Electronic Equipment and Associ
5、- ated Repair ?arts Interference Control Requirements, Aeronautical Equipment Drawings, Engineering and Associated Lists Licensed by Information Handling ServicesMIL-C-9911 49 M 9999906 0243951 1 M i:ia-c-ggii( USAF ) STANDARDS Federal Fed. Std. No. 595 Colors Military MIL-STD-129 FIIL-STD-130 m 335
6、% Marking for Shipment and Storage Identification Earking of U. S. Military Property Hetals, Definition of Dissimilar (Copies of specifications, standard.s required by contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the c
7、ontracting officer. ) drawings, and publicstions 2.2 Other publications. - The following documents form a part of this specification. Unless otherwise indicated, the issue in effect on date of invitation for bids shall apply. NATIONAL BUREAU OF STANDARDS Handbook H28 Screw-Thread Standards for Feder
8、al Services (Application for copies should be addressed to the Superin- tendent of Documents, Government Printing Office, Washington 25, D. C.) ANERICAN STANDARDS ASSOCIATION STANDARDS ASA B6.6 Gear Tolerances and Inspection (Application for copies should be addressed to the American Standards Assoc
9、iation, 70 E. 45th Street, New York 17, N. Y.) NATIONAL BOARD OF FIRE UNDERWRI Pamphlet 70 National Electric Code (EZectric Wiring and Apparatus) (Application for copies should be addressed to the National Board of Fire Underwriters, 85 John St., New York 38, N. Y.) 2 /- Y Licensed by Information Ha
10、ndling ServicesMIL-C-7711 49 7777706 0243752 3 lm-c-9911 (USAF ) (Application for copies should be addressed to the National Board of Fire Underwriters, 207 East Ohio Street, Chicago 11, ni.) CONSOLIDATED FREIGHT CLASSIFICATION CMMTM“iT Consolidated Freight Classification Rules and Container Speclfi
11、cat ions (Application for copies should be addressed to the Con- solidated Freight Classification Codttee, Room 202, Chicago Union Station, Chicago 6, Ili.) 3.1 Preproduction sample. - When specified, the contractor shall furnish a comFlete cleaner s,.ample for preproduction inspection in accordance
12、 with 4.1. The preproduction sample shall be identical with the proposed production items and shall be made and assembled by the same methods that are to be used in production of the items to fulfill the terms of the contract. Unless otherwise specified, one sample shall be furnished. duction report
13、 shall be used as the production standardp The approved sample and the prepro- 3.2 Design. - The cleaner shall be new and of a design for which spare parts will be readily available throughout the design life. It shall be designed for operation in the cleaning of vehicles and miscellaneous ground eq
14、uipment. cleaner shall be as specified herein. and constructed to use a cleaning compound to clean dirt, greases, and oils from aircraft parts, accessories, and ground equipment by a steam cleaning system. distortion shall be easily accessible for adjustment and repair. All units and assemblies in t
15、he The cleaner shall be designed AU parts subject to wear, breakage, or 3.3 Naterials. - Materials shall be as specified herein. Materials not specifically designated shall be of good comercial quality. 3.3.1 struction of the cleaner that are subject to deterioration when exposed to climatic and env
16、ironmental conditions likely to occur during service usage, they shall be protected against such deteriora- tion in the manner that will in no way prevent compliance with the performance requirements of this specification. tmtive coating that will crack, chip, or scale with age or ex- tremes of clim
17、atic and environmental conditions shall be avoided. Protective treatment. - When materials are used in the con- The use of any pro- 3.3.2 Metals. - Metals shall be of the corrosion-resistant type, or shall be suitably protected to resist corrosion daring normal service lue. Licensed by Information H
18、andling Services- MIL-C-7711 47 W 7979706 02Li3753 5 W 3UL-C-9913. (USAF ) 1303.3 Dissimilar metais. - Contact between dissimilar metals, as defined in YB 33586, shall be avoided wherever possible, such contacts are unavoidable, they shall be insulated in a prac- ticable manner. Wherever 3.4 Constru
19、ction. - The cleaner shall be complete so that, when installed, it can be used for the operations specified herein. The cleaner shall be constructed so that no parts will work loose in service. It shall be built to withstand the strains, jars, vibrations, and other conditions incident to shipping, s
20、torage, installation, and service. 3.4.1 blowholes, porosity, hard spots, shrinkage defects, cracks, or other defects. Forgings shall be free from scale, inclosures, cold shuts, mismatching and other defects that may affect the structural. strength of the forgings involved. other essential physical
21、and chemical properties of the castings and forgings shall be adequate to meet the performance requirements specified herein. 3.4.2 Welding, brazing, and soldering. - Welding, brazing, and sol- dering shall be performed in accordance with good commercial practice. In no event shall- such processes,
22、including peening or plugging, be used on castings or forgings for reclaiming any parts of the cleaner without authorization of the procuring activity. 3.4.3 -Metal structure. - The cabinet frame and superstructure shall be fabricated from metal having a minimum thickness of 0.127 inch and braced in
23、 such a manner as to mulimumize al vibrations and flexing of the cabinet. The side paneling shall be fabricated from sheet metal having a minimum thickness of-0.035 inch. fuel tank and cleaning solution tanks shall be fabricated from sheet metal having a minimum thickness of 0.047 inch. 3.4.4 Fasten
24、ing devices. - AU screws, pins, bolts, and similar parts shall be installed with means for preventing loss of tight- ness and adjustment. adjustment shall not be swaged, peened, staked, or otherwise per- manently deformed. 3.4.5 Stanard parts. - ML Stanard parts shall be used where applicable. merci
25、al ut-ility parts such as sorews, nuts, bolts, eto., may be used provided they conform to the requirements of this specification. 3.4.6 mechanically secured and soldered or brazed, except connections 09 screw type terminals which shall be mechanically secured. base fluxes shall be used in all solder
26、ing operations. Castings and forgings. - All castings shall be free from Strength and The All such parts when subject to removal or In event MIL Standard parts are not available, com- Electrical connections. - Electrical connections shall be Resin y- -7 -* -* - - 4 Licensed by Information Handling S
27、ervices3.4.7 Threads. - All threaded parts shall comply with Ea.ndbook H28, 3.4.8 English System and shall conform to Standard ASA B6,6, If tolerances shall assure accuracy of operation of the cleaner equal to or exceed- ing that specified herein, Gears. - All gears and pinions shall be fabricated i
28、n the 3.4.9 Instruments and controls. - All instruments and gages supplied on the cleaner shall correspond in appearance. switches, controls, and outlets shall be plainly identified by per- marient plates. 3.4.10 and other workihg parts shall be provided with means for lubrication. All instruments,
29、Lubrication. - All bearings (except sealed-for-lie type) 3.4.U ty devices specified herein and the usual safety devices common to machines of this type, such as suitable safety pressure-relief valves, throttle valve when required, blowoff valves, drain valves, shutoff valves and thermostats. shall b
30、e provided. Safeky devices. - Each cleaner shall be provided with safe- Protection against electric shock 3.4.11.1 mechanisms and parts designed and constructed to contain flammable liquids shall be positioned, located and ventilated to preclude any possibility of fires or explosions caused by such
31、liquids contacting heated surfaces or electrical apparatus. All solution tanks and solution handling equipment shall be positioned, located, and baffled to prevent spillage of solution over other parts of the cleaner. Flamnable liquid containers and solution tanks. - All 3.4.12 factured to definite
32、standards, clearances, and tolerances in order that any such parts of a particular type or model can be replaced or adjusted without requiring modification. Where practicable, all such parts shall be permanently and legibly marked with the manu- facturers part number in accordance with Standard IUL-
33、STD-130. Where changes are required in the contractors drawings such changes shall be governed by applicable portions of EIL-0-70327. Interchangeability. - All replaceable parts shall be manu- 3.4.13 stampings , and welded parts shall be cleaned and free of sand, dirt, fins, sprues, scale, flux, and
34、 other harmful materials. External surfaces shall be smoothed and all edges shall be rounded or beveled. 3.5 Performance and product characteristics, Surf aces . - All castings , forgings , molded parts 3*5.1 Performance. - When fitted with 25 feet of discharge hose,. the cleaning gun, and the appro
35、priate nozzle, the cleaner shall be capable of the following: Licensed by Information Handling ServicesflIL-C-77LL 47 7797706 0293755 7 M - XIL-C-9911(USA4F) 3.5.2 Cleaning Compound. - The cleaner shal be capable of discharg- ing a spray of saturated vapor, with or without the addition of a cleaning
36、 compound conforniing to Specification P-S-751, at the volume and impact pressure specified herein. 3.5.3 of 150 gph of cleaning solution with a minimum of 2400 btu/gallon transfer o . Cleaner capacity. - The cleaner shall have a minimm capacity 3.5.4, be capable of producing and being operated at a
37、 constant pressure. At this constant pressure, the cleaner shall deliver the rated volume and develop the minimum impact Torces shown on figure 1. pressure of the cleaner shall be indicated on the unit. system shall be capable of withstanding static pressure of one and one half times this maxronUn t
38、corkjng pressure. Operating pressures, volume, and impacte - The cleaner shall The rated The cleaner 3.5.5 ducing the minimum impact forces at the designated distances shown on figure 1 when operating at the rated pressure and utilizing the round nozzle. Impact performance. - The cleaner shall be ca
39、pable of pro- 3.5.6 capable of withstanding storage for a 24-hour period, without damage in a temperature range of minus 65O. tQ plus 1559. and shall operate effectively in a temperature range of plus 40oF. to plus iZjF. gree of efficiency at altitudes up to 6000 feet at anambient temper- ature of b
40、etween plus 709, and 909. as at sea level. Storage and operating temperatures. - The cleaner shall be The cleaner shall be capable of operating with the same de- 3.5.7 IJater supply. - The cleaner shall be equipped to secure water from a tap pressure system from a minimum of i5 psi to a maximwn pres
41、sure of 125 psi. 3.5.8 evaluated from the standpoint of ease of operation, servicing, and maintenance. nace with a minim number of common tools, and to servicing and operation of the equipment by personnel wearing heavy gloves. sions shall be made to exclude dirt, snow, and ice from workhg parts, Se
42、rviceability. - The serviceability of the cleaner shall be Particular attention shall be directed toward mainte- Provi- 3.5.9 standing without damage, conductor to ground, and conductor to conduc- tor applications of 1000 volts, rms, potential gradient, for 1 minute, and shall show no evidence of sm
43、oking, arcing, flashover, charred insulation or other evidence of damage caused by high voltage. Dielectric strength. - Insulation shall be capable of with- 3,5.10 Endurance. - The cleaner shall be capable of withstanding a 500-hour endurance run with compound without damage at rated dis- charge pre
44、ssure, with an efficiency loss not greater than 2 percent. , Licensed by Information Handling ServicesMIL-C-9911 L19 = 999990b 02Y395b O U KILC -9 9l.l (U SAF 1 Failure of any component shall be sufficient cause for rejection of the cleaner. 3.6 ing principal component parts: vapor generator, burner
45、, fuel tank, pump, cleaning solution system, compound metering device, electricalequipment, delivery equipment, hoses, and accessories, 3.6.1 Skid mounting. - The cleaner shall be skid-mounted. Skids shall be constructed of not less than 2 X 2 X 1/4 angle iron and shall be sufficiently braced to all
46、ow dragging the cleaner on a hard surfaca. portation by fork-lift trucks. Details of components, - The cleaner shall consist of the follow- skid mounting, metal cabinet, stowage, The cleaner shall be constructed to allow for trans- 306.2 Ketal cabinet. - The cleaner components shall be fully en- clo
47、sed in a metal cabinet with the exception of operating valve handles, water inlet connections, gages, and electrical outlet. All parts not enclosed shall be protected by guards All working parts shall be accessible through convenient doors or movable panels. protected against physical damage. The ca
48、binet shall be designed and constructed $0 resist weather and to prevent water from collect- ing inside or outside the cabinet, Access panels, which remain open during operation, shall be so constructed that they do not protrude more than 2 inches beyond the outside edge of the cabinet durhg normal
49、operation. shall be accessible from the operators side. All gages shall be flush-mounted in the control panel and All normally operated valves and controls 3.6.3 cabinet enclosure, easily accessible from the outside, for stowjng tools and spare nozzle tips when not in use. The stowage devices shall be arranged so that stowed items cannot be dislodged during transit Stowage. - Stowage devices shall be provided within the 3.6.4 Vapor generator. - The vapor generator shall have an overall thermal efficiency of not less than 75 percent when operating as a vapor clean
