TM 9-2350-267-10CREW CONTROLS AND INDICATORS - ContinuedBackup Hydraulic ControlsManual Hydraulic PumpGageThe gage measures pressure generatedby hand pump in pounds per squareinch (psi).The gage monitors pressures from 0-300psi. Pressure in excess of 150 psi isharmful to system components; there-fore, gage range from 150 to 300 psi iscoded red to caution user of an over-pressure condition.To engage backup hydraulic pump,gage must indicate 125 to 150 psi.Manual Hydraulic PumpHand pumping generates hydraulic pressurenecessary to engage backup pump with themain engine.2-7
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