TM 11-6625-3081-232-9. NIGHTSIDE TEST BENCH 2A3 CONTROLS AND INDICATORS (cont)2-9PNEUMATIC CONTROL PANELKey12345Control or IndicatorIsolator GagesRegulated PressureGagePressure RegulatorControl KnobFilter Water DrainValveAir Supply Valve LeverFunctionIndicates air pressure at each isolator.Indicates air pressure at output side of pressureregulator.Adjusts air pressure to isolators. Turn clockwise toincrease pressure.NOTEPull down red ring to allow controlknob to turn.After completing airpressure adjustment, lock controlknob by pushing up red ring.Bleeds down system pressure and drains water from filterbowl.Blocks air supply from control panel. Lever inhorizontal position turns air off.2-38
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