DECKMASTERMCV 106AXXXXHydraulic DisplacementControl-PVBULLETIN 95-8972APPLICATIONThe MCV106A Hydraulic Displacement Control (HDC) isa cost-effective hydraulic pump stroke control whichuses mechanical feedback to establish closed-loopcontrol of the swashplate angle of Sundstrand Series 2Xand Series 3X pumps.The HDC accepts a differential hydraulic pressure signalfrom a control handle or servovalve and uses thedifferential pressure to drive its double spoolarrangement and port oil to the pump servocylinders.The spool configuration allows a null deadband formachine safety in the pump's output while maintainingoptimum dynamic response to control commands.FEATURES• Servo control deadband independent of signal nulldeadband: offers safety combined with accurate andresponsive control• Resistant to the environment: shock, vibration andhumidity tested• High porting spool force resists chip plugging• Swashplate movement can be visually detected at thefeedback shaft* Low costSPECIFICATIONSHYDRAULICOIL VISCOSITY40-6000 SSUOIL TEMPERATURE-40° to 121° C (-40° to 250° F) operating range21° to 82° C(70" to 180° F) rated performance range-2X Series21° to 104" C (70° to 220° F) rated performancerange-3X SeriesMINIMUM SYSTEM FILTRATION10 MicrodhENVIRONMENTALSHOCK50 g for 11 milliseconds. Three shocks in bothdirections of the three mutually perpendicular axesfor a total of 18 shocks.VIBRATIONWithstands a vibration test designed for mobileequipment controls consisting of two parts:1.Cycling from 5 to 2000 Hz in each of the threeaxes.2.Resonance dwell for one million cycles for eachresonance point in each of the three axes.Subject to acceleration levels of 1 g to 46 g.Acceleration level varies with frequency.PERFORMANCEMODULATING RANGE148 psid (MCV106AXX01)430 paid (MCV106AXX02)218 paid (MCV106AXX03)MAXIMUM HYSTERESIS.4% of modulating range when cycled at .01 HzTHRESHOLD PRESSURE12 psid (MCV106AXX01)120 psid (MCV106AXX02)217 psid (MCV106AXX03)
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