1、MI.bF-5504B17 OCNDBER19S8SIJPEitSEDINCBubFSS04A1 MAY 19s2MILITARY SPECIFICATIONFILTERS AND FILTER ELEMENTS, FLUID PRESSUR.lHydrauliq AircmfkMJL-R-5520 Roirg; Hydraulic.2MILH5606 Hydraulic Fluid, PeUse of(Copies of specifications, standards, d-*nsmmd publication required by contractors in con-nection
2、 with specific procurement functions shouldbe obtained from the procuring activfty or 8S df-reded by the wntracting oflker).3. REQUIREMENTS3.1 QualikMon. The filters furnished un-der this specification shall be a product whichhas been tested and has passed the Qualifka-tion tests specified herein.3.
3、2 Materials. Materials and .proeessesusedin the manufacture of these filters shall beof high quality, suitable for the purpose in-tended and shall conform to applicable Gov-ernment specifications. Materials conformingto contractors specifications may be usedprovided the specifications are approved b
4、ythe Gove,mment and contain provisions foradequate tests. The use of contractors specifications will not constitute wahrer of Gov-ernment inspection!.3,2.1 Mchds. AIi metals used in the ccm-struction of ihese filters, except metal in con-stant contact with the hydraulic fluid. shall beof a comosiomr
5、esistant or shall be ade-quately protected to resist corrosion duringthe normai service life of the filter.3.2.1.1 Diseimilav metde. The use of dia-similnr metals in contact with each other (par-ticularly brass, copper, or steel in contact withaluminum, magnesium, or their alloys) shallbe avoided. W
6、here contact between dissimilarmetals i9 unavoidable, they shall be suitablyprotected aiti electrolytic corrosion.3.2.2 Plastic pads. The use of plastic patishall be subject to the approval of the Servicesfor the specific application involved.3.2.3 Replaceable jilter dewurnt materhb.When replaceable
7、 filter elements are used inaccordance with the requirements of this speci-fication, the materials of the replaceable filterelements shall not change the composition ofhydraulic fluid conforming to- SpecificationMIL-H-6606, no; hall the material be altemlenough to affect e intended function of there
8、placeable tllter elements.3JL4 Selection of materials. Specificationsand standards for all materials, parts, andGovemnmt certification and approval of pmceases and equjpmen which are not specifi-cally designated herein and which are nece+aary for the execution of this specificationshall be selected
9、in accordance with ANABulletin No. 143, except as provided in thefollowing ParagraPh.3.2.4.1 Stundimi parts. Standard parts (MSor AN) shall OPCXI d VdVS but(C) ; and after starting PtImP,regulateflowby valve (A) to 16gpm.(e) Shut off Pump, claw valve (E), andremove return line and cap off asshown in
10、 figure 2. (T- IWK!XVOirshould contain 8 gallons.)(f) Secure chanistype hose clamp toWwn S22-1 Pbstictuh or apiv-ak%atball so flwttlingtankk) s- dmdathg-pump and fWI=l%ZiMXVOir tank with fluid to theight of 16 inches.(h) Mix 0.6 gram of 10- to 20+nicmngkvspherea tithafewdmmdpetmleurn ether into a ah
11、xrry-paste.(i) Rinse slurry into test rau?moir Witha wash bottle containing petro-leum ether, analytical gradeswithboiling range 96” to 180F.(j)Witimbwhmrn2wdyadti-dump valve E) and start pump.mdtaneody allowing the u-entt. ofallint athesetthngtankMaintain xated flow and fluid levelin tank by rnanua
12、ly matixw theW PrESSm (For reaenmir *Inenb confomning to part nm-bers AN6236-l and-2 nsea Pres-wreofoJ5tospe i.)(k) For AN6236-2 elements maintainrated flow for 1 minute and pushout the fluid in the teat reeervoirby air pressure. (Valve (D) isclosed or the air pressure willblow into fluid supply sys
13、tem.)(m) Rinse drip tube with petadeumether into aettbg tank.(n) Place WY on eetthM tank andallow fluid to settle for a imitableperiod ofti Fora20-irAdepth of fluicJalAow 40 hours forsettling. The *tion eflMem3valve wdlbeinerro rbylemwtlmn0.1 percah (Note: It is -that in the event it is necesmry tom
14、odify the procdure to shortenthe length of settling time a 20-hour period will randt in a 0.9-percent inaccuracy.)18Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-(,/.-E!ftProvided by IHSNot for ResaleNo reproduction or networking permitted without
15、license from IHS-,-,-lKXbF-5504B./AIR PRESSUREREGULATINGVALVEK33GLASS MIXING CHAMBER- R ROD+-=VALVE BPCHAMRERCONTAININGSAMPLE ELJH4ENTIFItmIR8 5. Apparatme for determining filtration eflicienqt o Kne-tvw ehmente.16Provided by IHSNot for ResaleNo reproduction or networking permitted without license f
16、rom IHS-,-,-1MIL-F-5504B(o) Remove settling-tank lid and syphon20 inches of the supernatant fluileaving a residue 3 inches deep.(p) Loosen the hose clamp and allowthe residue to drain out the 0.5-inch-diameter Tygon S22-1 plastictube, or equivalent, into the 4,000-ml glass funnel directly beneath.Sp
17、ray the internal surfaces firstwith 1,000 ml of petroleum naph-tha and then with 1,000 ml ofpetroleum ether to wmh any re-maining beads into the funnel.(q) When the fluid has paasd throughthe pyres fritted glass filter, washthe funnel and filter with petro-leum ether. Place the pyrex filterin an ove
18、n at 160 to 200 F. tovaporize the moisture for 15 min-utes, allow to cool at room tem-perture in a desiccator for 30minutes, and immediately weighon an analytical balance to an ac-curacy of 0.1 milligram,(r) Subtmct the weight of the clean py-rex filter from the weight of thefilter containing the re
19、sidue ofglass-bead contaminant. This isthe portion of the original 0.5-grarn contaminant sample, desig-nated X, that passed through thesample filter.Filtration eficiency in percent= (,(,(f).5gram X gram)0.5gram “-“(s) Itewmoir-filter elements shall re-move 98 percent of 10- to 20-mic-ron glass spher
20、es added.4.5.9.2 Pressure buildup and differential bur8tpressure ( wwrvo;r-t ekrnent). The fol-h-m.ing tmt shall be performed:a) With no element in the test resw-voir, close valves (A ) and (B),and open valves (C) and (D)(figure 4). Filter fluid conformingto Specification MIL - H -5606through the 2-
21、micron commercialhigh-flow filter at 15 gpm for 1hour.(b) lhen the filtering operation is com-plete, shut pumps off, open valves(A) and (B), and close valves(C) and (D).(c) Install sample reservoir element withsuitable gaskets in test chamkwith either lead-filled cone as ahold-down device or a plati
22、 snit-ably held to base of tank.(d) Bleed air from system at manometiand test chamber.(e) Start Pumps and close valve (A) todivert flow through the test ele-menL Adjust pump speed to giverated flow through testelement.(f)Maintain 90 to 110 F. fluid tempera-ture by water coder or throttlingvalve (B).
23、(g) Add l-gra?n increments of A C FineDust or equivalent through thedust valve at 3-minute intervalsand record the differential pree-sur= 2 minutes after each dustaddition unti reaching the maxi-mum number of dust inerementispecified (9, 18, and 36 grams respectively for elements conform-ing to Part
24、 No. AN6Z3 and the fact that the Govam-ment may have formulated, furnished, or in a71nyway supplied the said drmwngs, specification orother data, is not to be regarded by implication orotherwise as in any manner licensing the holder orany other person or corporation or conveying a71nyrights or permi
25、ssion to manufacture, use, or sell anpatented invention that may in any way be relatedthereto.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-! SPECIFICATION ANALYSIS SHEET Form Approvedin, act,v, h”c 0“ add-LllhtlTTED BY (printed or typed nose ond a
26、71ctivity) DATEREPLACES NAVSNIPS FORM 4063. WICH IS OBSOLETE C-8879Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.FOLDDEPARTMENTOF THE NAVY POSTAGE ANO ffES PAIDNAVY DCPARTMCNTOFFICIAL BUSINESSCHIEF, BUREAU OF NAVAL WEAPONSENGINEERING DIVISIONA!MN : CODE RREN-5DEPARTMENT OF THE NAVYWASHGTON, D. C. 20360FOLDProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
