【正文】 in 1 mlsamp le25101525501,8 003901 146518 16 134 m 6 m 14 mNo. of P articlesper milli litermor e than up t oFigure 623 ISO sol id cont aminant codeCOPYRIG HT (2022) EA T ON CO RPORA TI ONC25242322212019181716151413121110987654321160 ,00 080, 00040, 00029, 00010, 0005,0 002,5 001,3 00640320160804020105.6.3.15.08.04.021 2 5 10 15 20 25 30 35 40 45 50100,00010,0001,00010010.1.01150 ,00 0200 ,00 0300 ,00 015, 00020, 00030, 00040, 00050, 0001,5 002,0 003,0 004,0 005,0 0015020030040050015203040502345.05.2.3.4.520 / 14 / 12Cle a nli ness CodeParticle Size in Micro met ersRangeCodeExample4 5120 206 8 9 1410 43 X14 22 1 225 3 X30 .4 XParticleSize 揦 inMicrometerNumbe r of Particl esGrea ter Than 揦 ?Size i n One ml ofT est Fl uidRangeCodeFigure 624 Cleanlin e ss pro fil eC O PY R I G H T (200 1) EA T ON COR P O R A TI ONCNumber of Particles Greater Than Size Per MilliliterRangeCodeRangeCodeNu m be r o f p art icl es pe r 1 m l o f f lu idM o re Th a n Up T oNu m be r o f p art icl es pe r 1 m l o f f lu idM or e Th a n U p T o2040 121918171615141311109876543215,000250025001300130064064032032022016080804010105......80,000 160,000 24 2040,000 80,000 2322212020,000 40,00010,000 20,00010,0005,000F i g u r e 6 25 I S O r a n g e c o d e n u m b e rCO P Y R IG HT (2 0 0 1 ) E A T O N CO RP O RA T IO NC1. EST ABLISH ISO CODE FOR MACHINE2. SELEC T FIL TERS AND FIL TER PLACEM ENT3. PERFORM OIL SAMPLING AND ANA L YSIS F igure 626 Thre estep pro cess fo r syste m co nt amin ation controlCOPYR I GHT (2022) EA T ON CORPO R A TI ONCSYSTEM IC CONT AMINA TION CONTROLA THREE STE P PROCESSComp any N ame Dat eT ype of Machi ne (Syste m)Set tin g a T arge t Clea nliness L e ve lS tep O neMaxi m um Operatin g Pressure Pump FlowT ot a l System V ol u me (incl u di n g l ines amp。inmi cromete rsNo. o fPartic les 39。CHA PTER 6CONT AMINA TION CONT ROLRe se rv oirCy lin de rsFi ttin gsPu m p sHo se sV alv esM ani fo ldsFi gur e 6 1 So urc es o f bu ilt in co nt am ina ti onC OP Y R IG H T (2 00 1 ) E A T O N C OR P OR A T IO NCO I LFi g u re 6 2 N e w flu id g a th e rs co n t a m in a t io n d ur in g h a n d lin gC OP Y RI G HT (2 001 ) E A T ON C O R P O RA T IO NCO I LServic eNewOilFill CapCl eanoutPlateCyl inderRod Seal sF i g u r e 6 3 S o u r c e s o f i n g r e s s e d c o n t a m i n a t i o nCOP YRIG HT (200 1) EA T ON CORP ORA TIONCCONT AMINANT G ENERA TING ME CHANISMST y pe Pri ma ry Ca useEro si on H igh ve loc ity p art ic les strik ing s urf ace sFa tig u e R epea ted st ress ing o f a su rfa ceAdh e sio n Met a lt om et a l co nt a ctC avit atio n H igh p ump inlet va cu umC orros ion Fo rei gn su bst a nce in f luid (wat e r o r c hem ica l)Aer a tion Ga s bu b bles i n flu id, in tro duc e d a ir to p ump inletAbr a sio n Par tic les grin ding bet we e n mov ing su rfa ce sT a ble 6 1 Co nt a min ant ge ner atin g me ch anism sC OP Y RI G HT (