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    ARMY MIL-I-43728-1970 INJECTOR RINSE AUTOMATIC FOR COMMERCIAL DISHWASHING MACHINES《商用洗碟机自动洗刷注射器》.pdf

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    ARMY MIL-I-43728-1970 INJECTOR RINSE AUTOMATIC FOR COMMERCIAL DISHWASHING MACHINES《商用洗碟机自动洗刷注射器》.pdf

    1、MIL-1-43728 73 m 7779706 0241735. 4 m MIL-1-43728 31 December 1970 See 6.6 MILITARY SPECIFICATION INJECTOR, RINSE, AUTOMATIC, FOR CCW633RCW DISHWASHING MACHINES This specification is mandatory for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 This specification cover

    2、s a unit for automatically injecting a liquid drying agent into the final rinse water of commercial dishwashing machines. 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent

    3、 specified herein: SPECIFICATIONS FEDERAL P-R-1272 - Rinse, Additive, Dishwashing PPP-B-636 - Box, Fiberboard PPP-B-566 - Box, Folding, Paperboard PPP-B-676 - Box, Setup STANDARDS MiLITAW MIL-STD-105 - Sampling Procedures and Tables for Inspection by MIL-STD-129 - Marking for Shipment and Storage At

    4、tributes (Copies of specifications and standards required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) FSC 7320 Provided by IHSNot for ResaleNo reproduction or networking permitted without li

    5、cense from IHS-,-,-MIL-1-43728 73 W 9777706 024L73b b MIL-1-43 72 8 2.2 Other publications.- The following documents form a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal ahall apply. N

    6、ATIONAL MOTOR FREIGHT TRAFFIC ASSOCIATION, INC. Nat ional Mot or Freight Class if ication (Applkatfon for copies should he addressed to American Trucking Associa- tions, ATTN: 20036 .) Tariff Order Section, 1.6.16 P Street, N.W., Washington, D. C. NATIONAL SANITATION FOUNDATION (NSF) Listing of Food

    7、 Service Equipment Standard No. 29 - Detergent and Chemical Feeders for Comercial Spray Type Dishwashing Machines. (Application for copies should be addressed to the National Sanitation Foundation, P.O. Box 1468, Ann Arbor, Michigan 48106.) UNIFORM CLASSIFICATION COMMITTEE Uniform Freight Classifica

    8、tion (Application for copies should be addressed to the Uniform Classification Consnittee, Room 202 Union Station, 516 W. Jackson Blvd., Chicago, Illinois 60606 .) AMERICAN SOCIETY FOR TESTING AND MATERIALS(ASTM) Standard A67 - Corrosion-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip. Stand

    9、ard Al76 - Corrosion-Resisting Chromium Steel Plate, Sheet, and Strip. (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pa. 19103.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro

    10、m IHS-,-,-HIL;I-43728 73 979790b 0241937 MIL-1-43728 UNDERWRITERS LABORATORIES, INC . (UL) Standard 921 - Commercial Electric Dishwashers (Application for copies should be addressed to the Underwriters Laboratories Inc., 207 East Ohio Street, Chicago, Illinois 60611; 1284 Walt Whitman Road, Melville

    11、, Long Island, New York 11746; or 1655 Scott Boulevard, Santa Clara, California 95050.) (Technical society and technical association specifications and standards are generally available for reference from libraries. among technical groups and using Federal agencies.) They are also distributed 3. REQ

    12、UIREMENTS 3.1 First article.- When specified (see 6.2), the contractor shall furnish a sample for first article inspection and approval (see 4.2 and 6.3). 3.2 Standard product,- The rinse injector delivered under this specification shall be the manufacturers current. standard commercial product, exc

    13、ept for any changes necessary to comply with specification requirements. 3.3 Standards.- 3.3.1 UL standards.- The rinse injector shall conform to the applicable requirements of UL Standard 921. 3.3.1.1 UL certification.- Prior to approval of the preproduction sample, if one is submitted, or prior to

    14、 approval of the first shipment, the supplier shall submit satisfactory evidence to the contracting officer or his authorized rep- resentative that the rinse injectors he proposes to furnish under this specifi- cation meet the applicable requirements of L Standard 921. of meeting the applicable requ

    15、irements of UL standards shall be the UL label, or listing mark, or a certified test report from a recognized independent testing laboratory acceptable to the Government indicating that the rinse injectors offered have been tested and conform to the requirements of UL standards as applicable. Accept

    16、able evidence 3.3.2 NSF standard.- Rinse injectors shall conform to the applicable requirements of NSF Standard No. 29. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-I-43728 73 W 779770.6 0243738 T W: MIL-1-43728 3.3.2.1 NSF certification.- T

    17、he supplier shall submit satisfactory evidence to the contracting officer or his authorized representative that the rinse injectors he proposes to furnish under this specification meets the applicable requirements of NSF Standard No. 29 as follows: (1) Listing in the current edition of the NSF “List

    18、ing of Food Service Equipment“ or display of the NSF seal on the finished rinse injector shall be submitted prior to approval of the preproduction sample, if one is submitted, or prior to approval of the first shipment, or (2) A certificaton for the rinse injector issued by NSF under their special o

    19、ne-time evaluation/certification service shall be submitted prior to approval of the preproduction sample, if one is submitted, or prior to approval of the first shipment, or (3) A certified test report from a recognized independent testing labora- tory acceptable to the medical department of the se

    20、rvice for which the injectors are being procured, indicating that the rinse injector has been tested and con- forms to NSF Standard No. 29 shall be submitted prior to the approval of the pre- production sample, if one is submitted, or prior to commencing production. 3.4 Design.- The rinse injector s

    21、hall be designed for use with rinse agent conforming to P-R-1272 to automatically inject a liquid drying agent into the final rinse water of commercial dishwashing machines to accomplish rapid sheeting and drying for the purpose of eliminating streaks and droplet on tableware and flatware. be pressu

    22、re-activated and shall maintain a preset concentration of rinse agent (see 6.4) in the final rinse water within a tolerance of 5 percent over a range of water flow of 4 to 15 gallons per minute or 15 to 30 pounds per square inch water pressure regardless of fluctuations in flow or pressure (see 4.4.

    23、1). The injector shall be for installation directly in the final rinse water line or mounted on the dishwashing machine body and shall inject the rinse agent into the downstream side of the rinse valve. on the machine or on an adjacent wall. a complete system shall be provided as specified (see 6.2)

    24、. The injector shall operate on rinse water line flow or Reservoirs shall be far mounting All necessary tubing and wiring to form 3.5 Materials.- Materials not definitely specified shall be of the quality normally used by the manufacturer for rinse injectors provided the completed item complies with

    25、 all provisions of this specification. 3.5.1 Corrosion-resisting steel .- Corrosion-resisting steel shall conform to the 300 or 400 series as specifid respectively in ASTM Standard Al67 or ASTM Standard Al76, 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from

    26、 IHS-,-,-MIL-1-43728 73 7777706 0242737 L U MIL-1-43728 3.6 Construction.- 3.6.1 Reservoir.- The drying agent shall be contained in a reservoir and shall be installed so that operator can visually determine liquid level. reservoir shall be corrosion-resisting steel specified in 3.5.1 or polyethylene

    27、. Capacity shall be not less than 32 fluid ounces. bracket for attaching units to the machine or wall shall be provided, The A corrosion-resisting steel 3.6.2 Adjustment.- Injectors shall have a manual adjustment for obtaining desired proportion of rinse agent in the final rinse water line. 3.6.3 El

    28、ectrical characteristics.- Unless otherwise specified (see 6.2), the electrically operated injectors shall be designed for operation on a nominal 120 volt, 60 hertz, 1-phase electrical system. 3.7 Marking for identification.- The manufacturers name, contract number, model number, and serial number s

    29、hall be permanently marked on a corrosion- resistant plate and affixed to the injector. 3.8 Finish.- The injector components shall be finished in accordance with the manufacturers standard commercial practice. 3.9 Operating instructions.- Instructions indicating the proper operating procedures for u

    30、sing the rinse injector shall be etched, stamped or embossed on a brass plate or corrosion-resistant metal or plastic plate and permanently attached in a visible position for the operator. 3.10 Workmanship.- Components shall be finished with all burrs and rough edges removed. Welds shall be sound, s

    31、mooth, and free from pits, fractures, burn-through, or fissures. Spot welds shall be free from pits and flashes. Bolt holes and rivet holes shall be.accurately punched or drilled and shall have burrs removed. standard commercial practice, and all bolts, nuts, and screws shall be drawn tight. Rivets

    32、shall be tightly driven, fully peened, and shall completely fill the holes. strain and the wiring shall not be abraded, poorly joined, or loose at term- inals. Washers or lochashers shall be provided in accordance with Electrical wiring shall be provided with adequate slack to relieve 4. QUALITY ASS

    33、URANCE PROVISIONS 4.1 Responsibility for inspection.- Unless othewise specified in the con- tract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in 5 Provided by IHSNot for ResaleNo reproduction or

    34、networking permitted without license from IHS-,-,-MIL-1-43728 73 7779706 0241740 MIL-1-4372 8 the contract or order, the supplier may use his awn or any other facilities suitable for performance of the inspection requirements specified herein unless disapproved by the Government. The Government rese

    35、rves the right to perform any of the inspections set forth in the specification where such in- spections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.2 First article inspection.- When a preproduction sample is required, it shall be examined for defects l

    36、isted in table I and tested as specified in 4.4.1. Failure to pass any tests shall be cause for rejection of the prepro- duction sample, not within specified requirements shall be cause for rejection of the prepro- duction sample. The presence of any defects listed in table I or any dimension 4.3 In

    37、spection.- Sampling for inspection shall be performed in accordance with the provisions set forth in MIL-CTD-105, except where otherwise indicated hereinafter. 4.3.1 Component. and material inspection.- In accordance with 4.1 above, components and materials shall be inspected and tested in accordanc

    38、e with all the requirements of referenced specifications and standards unless otherwise excluded, amended, modified or qualified in this specification or applicable purchase document. 4.3.2 End item inspection,- The inspection lot shall consist of all in- jectors offered for inspection at one time.

    39、pletely fabricated injector. The sample unit shall be one com- 4.3.2.1 Visual examination.- The injector shall be examined for defects in table I. (AQL) of 2.5 for major defects and.6.5 for total defects, expressed in terms of defects per hundred units. The inspection shall be level II with an accep

    40、table quality level TABLE I.- Classification of defects Classification Ex amina t ion Defect Major Minor Construction and Any component missing or not Any component fractured or workmanship as specified X malformed X X Any burr or rough edge 6 Provided by IHSNot for ResaleNo reproduction or networki

    41、ng permitted without license from IHS-,-,-MIL-1-93728 73 9739906 029L741 T MIL-1-43728 TABLE I.- Classification of defects (contd) Classification Examinat ion Defect Major Minor Construction and workmanship (cont d) Welding Bolts, nuts, screws Rivets Electrical assemblies (when applicable) Identific

    42、ation marking Functioning component that requires abnormal force to opera te Any adjustable assembly not adjusted to perform the function in tended Any component not accessible for replacement or repair Any weld fractured, not sound, or contains fissures or bum- through pits Any weld not smooth or c

    43、ontains Spot weld contains flashes Stripped or frac tured Loose or not provided with lockwashers Loose, not fully peened, or fractured Wiring cut, abraded, or loosely Adequate slack not provided for Insulation stripped from wire joined at terminals wiring to relieve strain Missing, incomplete, not l

    44、egible, not located as specified X X X X X X X X X X X X X 4.3.2.2 Capacity examination,- Capacity examination shall be made of the reservoir to determine compliance with this specification. capacity that is not within the specified requirements shall be classified as a defect. terms-of defects per

    45、hundred units. Any reservoir The inspection level shall be S-2 with an AQL of 4.0 expressed in 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-1-43728 73 W 7797706 0243742 3 W MIL-1-43728 4.3.3 Testing of the end item.- When a preproduction sam

    46、ple is not re- quired, the initial production unit shall be tested as specified in 4.4.1. In addition, one unit from each production lot shall be tested as specified in 4.4,l. 4.3.4 Standards compliance.- Proof of compliance with the applicable requirements of 3.3.1 and 3.3.2 shall be submitted to t

    47、he Government represent- at ive. 4.3.5 Examination of preparation for delivery.- An examination shall be made to determine that packaging, packing, and marking as required by section 5 of this specification are complied with. Defects shall be scored as speci- fied in table II. The sample unit shall

    48、be one shipping container fully pre- pared for delivery. spection at one time. defects expressed in terms of defects per hundred units. The lot shall be the number of containers offered for in- The inspection level shall be s-4 with an AQL of 6.5 TABLE II.- Examination of preparation for delivery Ex

    49、amination Defect Markings Omitted; incorrect; illegible; of improper size; location, sequence, or method of application. Materials Components missing, damaged, or otherwise defective. 4.3.5.1 Examination of shipping containere .- When shipping containers are required to be in accordance with PPP-B-636, examination for defects in closure, waterproofing, and strapping shall be in accordance with PPP-B-636. 4.4 Test. 4.4.1 Opera


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