1、DOD-B-Z4507B(SH) AMENDMENT-1 21 November 1979 MI LI TAR Y SPEC IF ICAT ION BATTERY CELLS, STORAGE, SILVER-ZINC ALKALINE TYPE (FOR NR-1) (METRIC) This amendment forms a part of Military Specification DOD-B-24507B (SH), dated 18 January 1978. PAGE 4 3.4.6.5(c), line 1: Delete and substitute: 3.4.6.5(d
2、): Delete and substitute: “The positive absorbent material shall be 0.08 to 0.17 mm thick and the negative absorbent material shall be 0.12 to 0.17 mm thick.“ “(a) The main separator shall be Dupont Cellophane PUDO-193 (battery grade) as is ar treated alone or in combination with Union Carbide Fibro
3、us Sausage Casing (battery grade), or equal. The overall wet thickness of the combined layers of this material when swollen in the specified electrolyte, shall be at least 0.5mm. The main separator height over the top of the electrodes shall be at least 25mm.“ 3.4.6.5(f) : Delete. PAGE 5 3.4.11, 3.4
4、11, asbestos“. line 4: Delete “three“. line 7: Delete “two layers“ 3.7: Delete and substitute: and substitute “any two consecutive layers of rm PAGE 7 “3.7 En ineerin services. Engineering services of the contractors engineer provided as-(see 6.2.11, upon NAVSEAS request in order to: shall be (a) A
5、ssist the shipyard in preparing the battery cells for installation (b) Assist the ships force in becoming familiar with the battery. (c) (d) (e) Participate in technical meetings with NAVSEA or the ships force with and installing them. Take corrective action in case of unexpected problems. Examine t
6、he battery condition when requested. regard to the battery and in locations other than the manufacturers plant. Design review meetings shall not be considered a provision of engineering services. The maximum number of mandays allowed for the entire contract or life of one set of batteries shall be a
7、s specified (see 6.2.1). accordance with the data ordering document included in the contract or order (see 6.2.2).“ Field engineering travel reports shall be prepared in PAGE 8 3.9.1.1, line 3: Delete I, but not be limited to,“. PAGE 11 4.6.4.4, line 1: Delete “Upon written notification“ and substit
8、ute “If notified in writing“. FSC 6140 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DOD-B-24 507B (CH) ArlENDMENT-1 PAGE 15 5.4.1.1: Add as item (9): “(g) Asbestos (see 3.4.6.5(b).“ 6.2.1, item (h): Delete and substitute: “(h) If engineering servi
9、ces are required and the maximum number of mandays allowed (see 3.71.“ PAGES 16 and 17 6.4 through 6.4.5: Delete and substitute: as “6.4 Guarantee. specified in 6.4.1 The guarantee of through 6.4.4. the cell when series-connect as a battery shall be “6.4.1 Nothing in the following guarantee provisio
10、n shall limit any of the rights afforded to the Government by the provisions of the inspection clause including those provisions relating to latent defects, fraud, or gross mistakes that amount to fraud. This. guarantee applies notwithstanding inspection and acceptance by the Government or any pro-
11、vision of the contract concerning the conclusiveness thereof. The contractor guarantees the performance of the battery in terms of service operating conditions (months of service or total Ah output), when the battery is operated and maintained in accordance with the service manual. The battery shall
12、 be guaranteed for 24 months or to deliver 50,000 Ah, whichever occurs first, before the battery capacity drops to 80 percent of rated capacity as specified herein, when tested at any rate in table I and subject to the temperature limitations of this specification. The period of the guarantee shall
13、begin: (a) Date the battery is accepted in wet condition in accordance with 4.5.2, or (b) 24 months after acceptance in dry condition in accordance with 4.5.1, which- “6.4.2 In the event of a failure of the battery or at least five cells, as specified, ever occurs first. in 6.4.3, the contractor sha
14、ll: (a) When battery capacity drops below 80 percent of rated capacity as specified herein, when tested at any rate in table I and subject to the temperature limitations of this specification within the first 12 months or 25,000 Ah, whichever occurs first, the contractor shall replace the total batt
15、ery, with a new unused battery manufactured in accordance with this specifica- tion at no cost to the Government. After the period specified in (a) and prior to the end of the guarantee life of 24 months or 50,000 Ah, whichever occurs first the contractor shall indemnify the Government on a pro-rata
16、 basis (proportionately) for months of service not obtained or total Ah output not obtained, whichever is smaller. (If P being the purchase price of the battery, N the number of months not obtained, Q the total Ah output not obtained, the smaller of the (b) two numbers P $ and P Q shall be used. “6.
17、4.3 The battery shall be considered failed in the following cases: (a) (b) (c) When five or more cells fail as defined below: When grounds develop which cannot be corrected by the contractor to meet the When the battery minimum voltage specified in table I limits battery capacity requirements of the
18、 service manual. shall be at his own expense. to a percentage specified in 6.4.2 and cannot be restored by contractor corrective action which will be at his own expense. Corrective action by the contractor Any cell shall be considered failed in the following cases: (a) The cell is-. internally short
19、ed. (b) (c) The cell limits the battery capacity to a percentage specified in 6.4.2 and The cell develops leaks through cracks, thus causing grounds in the system, has to be removed in order to raise the overall battery capacity. Page 2 of 3 -. f , - O Provided by IHSNot for ResaleNo reproduction or
20、 networking permitted without license from IHS-,-,-DOD-B-ZLI507B (1) bL W 9999906 0089550 L W DOD-B-24507B (SH) AWNDMENT-1 “6.4.4 The same guarantee requirements of life, total Ah output, minimum capacity and indemnification specified in 6.4.1, 6.4.2 and 6.4.3 shall apply to each spare cell individ-
21、 ually, whether wet or dry. in any other provision of the contract, including but not limited to inspection.“ Nothing in 6.4 diminishes the Governments rights as contained Preparing Navy - activity: SH (Project 6140-N514) 2U.6. GOVERNMENT PRINTING OFFICE: 1979 -a WI-t21/lU Page 3 of 3 O Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
