1、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3. 3.1 3.2 3.2.1 3.2.1.1 3.2.1.2 3.2,l. 2.1 3.2.1.3 3.2.1.4 3.2.1.5 3.2.1.6 3.2.1.7 3.2.1.8 3.2.1.9 referenced therein. REQUIREMENTS Materials, parts, and processes. Applicable (see 6.6). Design and con
2、struction, Applicable except as follows. Design features. Applicable except as follows, Method of operation. Applicable. Commercial test equipment. Not applicable. Other commercial components. Applicable. Circuit grounds. Applicable. Interchangeability. Applicable. Identification of produc t. Applic
3、able. Human factors. Applicable. Test set generated acoustic noise. Applicable. Forced-Ziquid cooling. Not applicable. The maximum weight of the HSSS shall be 55 pounds. 3.2.1.10 Connec tors. Applicable. 3.2.1.11 Secondary electrical powex. Not applicable. Space and weight limitations. The maximum d
4、imensions of the HSSS, including the covel, shall be 32-1/2 inches by 16-1/2 inches by 11-5/8 inches. 3. . 3.2.1.12 Interface. The IISSS shall provide the follow-ig interfac -2- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AWG-9 through two hydrau
5、lic connections. 3.2.1.12.2 Electrical power. The HSSS shall interface with the electrical power of 3.2.2.1 through the cable of 3.6.14. of the HSSS shall be not more than 300-volt-amperes of 115-volt, 400 Hertz (Hz), single phase power. This alternating current (ac) power form shall conform to MILS
6、TD-761, Type I. 3.2.2.2 Clean air. Not applicable. 3.2.2.3 . Potable water, Not applicable. 3.2.2.4 Liquid coolant. Not applicable, 3.2.2.5 Helium. Not applicable. 3.2.2.6 Nitrogen. Not applicable. 3.2.4 Maintainability. Applicable. (MTBF) shall be 500 hours minimum. 3.2.6 Electromagnetic interferen
7、ce (EMI). Not applicable. 3.2.7 Utilities protection. Applicable. 3.2.7.1 Liquid cooling protection. Not applicable. 3.2.7.2 Clean air protaction. Not applicable. requirements for support equipment to maintain the IISSS will be stated in the Test Set Maintenance Engineering Analysis (MEA). Procedure
8、s will be stated in. the Technical storage for one gallon of lijdrnulic fluid ancl shall provide fluid filtration of 3 B microns abso lu te. I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-L775B 47 m 777770b 0256585 L m MfLS-81775B(AS ) 3.3 P
9、erformance 3.3.1 General. The HSSS shall provide for hydraulic fluid refilling, purging, bleeding and filtering of Antenna AS-2764( )/AIVG-9. The HSSS shall maintain an operating pressure of 35 f 5 pounds per square inch gage Sig) nth a &um rate of O. 5 gallon per minute (gpm). 3.3.2 Organizational
10、level functional requirements. Applicable. 3.3.3 Intermediate level functional requirements. Applicable, 3.3.4 Warmup time. Applicable. 3.4 Detailed requirements. The detailed requirements of the 4iIsSs shall be as stated in 3.6. 3.5 Workmanship. Applicable. 3.6 Elements. The HSSS shall contain the
11、following items. 3.6.1 Hydraulic -res ervo r :-The-hydrauic res emir -shall- -have a capacity of at least one gallon of hydraulic fluid. 3.6.2 Hydraulic fluid level gage. The hydraulic fluid level gage shall .be a fioat gage capable of indicating the relative fullnesa of the hydraulic reservoir. 3.6
12、.3 Hydraulic pressure gage. The hydraulic pressure gage shall have a range of zero to 200 psig pressure at the output of the filter assembly. . 3.6.4 Hydraulic pressure regulator. The hydraulic pressure regulator shall be manually adjustable to control the output pressure of the HSSS to the pressure
13、 specified in 3.3.1. 3.6.5 Hydraulic supply shut-off valve. The hydraulic supply shut-off Valve shall be a manually operated panel mounted valve to provide control of the hydraulic .fluid flow rate to the radar antenna hydraulic system. 3.G. 6 -Hydraulic return shut-off valve. The hydraulic return s
14、hut-off valve shall be a manually operated panel mounted valve to contra1 the hydraulic fluid returned from the radar antenna hydraulic system. 3.6.7 Hydraulic check valve. The hydraulic check valve in the supply line shall prevent the back flow of hydraulic fluid into the HSSS in the event of power
15、 failure in the HSSS. 3.6.8 Hydraulic return line si- A sight glass shall be pro- vided in the hydraulic return line to permit visual inspection for bubbles in the hydraulic fluid. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S- 81 7 75B (AS )
16、 3.6.9 Three micron absolute filter. A three micron absolute full flow filter shall provide filtration of the hydraulic fluid. 3.6.10 Differential pressure indicator. The differential pressure indicator shall indicate, by a visual pop-up indication, when pressure drop due to contamination of the fil
17、ter of 3.6.9 exceeds 80 f 12 psi. 3.6.11 Flexible hoses. Two flexible hoses shall be provided, each 10 ,f 1 feet in length. The hoses shall have quick-disconnect fittings to mate with the radar antenna hydraulic system. 3.6.12 Hydraulic pump switch. The hydraulic pump switch shall be a panel mounted
18、 toggle switch and shall control electrical power to the HSSS. 3.6.13 Elapsed time indicator. An elapsed time meter conforming to MIL-M-7793 shall be provided. The meter shall be readily visible during operation of the HSSS and shall be capable of registering at least 9,999 hours. 3.6.14 Power cable
19、. A power cable shall be provided in accordance with MIET-21200. The connector shall be MS3107A-lGS-8P with MS3057-8A cable clamp. The connector shall have 115 volts, 400 HG single phase power on Pin A with.the return on Pin D. The length of the cable shall be 25 f O. 5 feet. 4. QUALITY ASSURANCE PR
20、OVISIONS Rsspo.xiLility foz iispectici:. i.p$icable. 4.1 - 4.2 General. Applicable, 4.2.1 Classification. Applicable. 4.2.2 Individual. items, Applicable. 4.2.3 In-proce s s inspec tion. Applicable. 4.2.4 4.2.5 4.2.6 4.2.7 4.2.8 4.2.9 4.3 4.3.1 In-process data. Applicable. Acceptance test plan. Appl
21、icable. Table I shall apply. Test results. Applicable. Acceptance. Applicable. Utilities. Applicable. Configuration. Applicable. Tests Electrical and electronic items - operational run-in test. Applicable. 4.3.2 hlechanical items. Applicable. -5- Provided by IHSNot for ResaleNo reproduction or netwo
22、rking permitted without license from IHS-,-,-NIL-S-L775B L19 W 9999906 0256587 5 MIL-S-81775B (AS) TABLE I ACCEPTANCE TEST PLAN FOR HYDRAULIC SYSTEM SERVICE SET 1. Q 2. o 3. o TEST OBJECTTVE. To demonstrate functional operation of the Hydraulic System Service Set. TEST CONDITIONS a. Test Equipment (
23、1) Utilities Required (Information only, ref. 4.2. 8) HSSS Console Test Position (HAC Part No. T493703-61-1) b. (1) Power as specified by 3.2.2.1. TESTS (In accordance with Acceptance Test Procedure Document, 3282212) a. b. Operational run-in tests are not required. Perform flow and pressure tests in accordance with the acceptance test procedures. -6- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
