Sauer-Danfoss series S90 axial piston pumps

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Slider block Series 90 Axial Piston Pumps Technical Information General description DesiGn Series 90 pump cross-section Bushing Cylinder block Valve plate Rear bushing Charge pump Name plate Model Code Servo piston 6 520L0603 • Rev FC • August 2008 Model-No./Ident-No. Model Code Serial-No. Servo arm Swashplate Piston 90L055 KA 1 N 6 S 3 C6 C 03 NNN 35 35 24 Made in USA 501829 N - 88 - 126 - 67890 P104 291E Slipper Cradle guide Model Number Serial Number Displacement control Place of Manufacture Feedback linkage Cradle bearing Roller bearing Shaft seal Input shaft P106 648E
PiCtoRiaL CiRCuit DiaGRam Control handle Reversible variable displacement pump Input shaft Pump swashplate Working loop (high pressure) system sCHematiC M M1 M4 M5 M2 Series 90 Axial Piston Pumps Technical Information General description Displacement control valve Servo control cylinder Servo control cylinder Pump Motor S This configuration shows a hydrostatic transmission using a Series 90 axial piston variable displacement pump and a Series 90 fixed displacement motor. Orificed check valve Working loop (low pressure) Suction line Control fluid Case drain fluid M3 520L0603 • Rev FC • August 2008 Heat exchanger bypass valve Heat exchanger Charge pressure relief valve Multi-function valve Servo pressure relief valves L2 To pump case Charge pump Multi-function valve B Reservoir A A B Vacuum gauge Loop flushing valve Purge relief valve Fixed displacement motor Motor swashplate L2 M3 M1 L1 M2 P102 000 Output shaft P104 286E 7
Page 1 and 2: Series 90 Axial Piston Pumps Techni
Page 3 and 4: GeneRaL DesCRiPtion teCHniCaL sPeCi
Page 5: seRies 90 famiLy of PumPs anD motoR
Page 9 and 10: fLuiD sPeCifiCations Series 90 Axia
Page 11 and 12: HyDRauLiC fLuiDs temPeRatuRe anD vi
Page 13 and 14: ReseRvoiR (continued) Case DRain si
Page 15 and 16: sHaft avaiLabiLity anD toRque Ratin
Page 21 and 22: auxiLiaRy mountinG PaDs Series 90 A
Page 23 and 24: 3 -Position (fnR) eLeCtRiC ContRoL
Page 25 and 26: eLeCtRiC DisPLaCement ContRoL (eDC)
Page 27 and 28: HyDRauLiC DisPLaCement ContRoL (HDC
Page 29 and 30: manuaL DisPLaCement ContRoL (mDC) (
Page 31 and 32: non-LineaR manuaL DisPLaCement Cont
Page 33 and 34: non feeDbaCk PRoPoRtionaL eLeCtRiC
Page 35 and 36: fRame size 042 (continued) Coupling
Page 37 and 38: fRame size 055 (continued) Series 9
Page 47 and 48: fRame size 100 (continued) COUPLING
Page 51 and 52: fRame size 180 204 [8.03] 181 [7.13
Page 55 and 56: fRame size 250 212 maximum [8.35] "
Page 57 and 58:
fRame size 250 (continued) Coupling
Page 59 and 60:
CoveR PLate C4 maximum C4 maximum C
Page 61 and 62:
Series 90 Axial Piston Pumps Techni
Page 63 and 64:
inteGRaL PRessuRe fiLteR Gauge port
Page 65 and 66:
fRame size 075 nfPe (continued) Ser
Page 67 and 68:
fRame size 075 nfPe (continued) Thr
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Sauer-Danfoss series S90 axial piston pumps

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