TM 5-3740-218-13&PTable 2-2. Hydraulic System Gages and ControlsKeyGage or ControlFunction1Hydraulic Pressure Gage(Primary Mainifold)Shows hydraulic fluid pressure for entirehydraulic system.2Hydraulic Pressure ControlKnob (Primary Mainifold)(LV and ULV) Permits adjustment of hydraulicpressure to primary manifold pesticide pump,allowing boom pressure (flow rate of liquidpesticide) to be regulated. Also controls speedof rotary atomizers.3Hydraulic Pressure Gage(Secondary Manifold)Shows hydraulic fluid pressure for dispersalvalve in LV and ULV configurations, and forchute gate actuators in SD configuration. Thismanifold is normally adjusted for 300 psi. Ifadjusted above 400 psi, damage to hydraulicsystem could occur.4Hydraulic Pressure ControlKnob (Secondary Manifold)Permits adjustment of hydraulic pressure todispersal valve and chute gate actuators.2-5
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