TM 5-3895-374-24-1GP325FATROUBLESHOOTING CHECKLISTSymptomCauseCorrectionE.Motor Not Generating-Check Motor Voltage andNameplate SpeedFrequency Against NameplateRating and Proper Wiring-Replace MotorF.High Ambient Temperature-Check Inlet Conditions Againstand/or High AltitudeThe "HAUCK ALTITUDECHART" (GP256)G.Inlet Obstructed-Remove Obstruction or MoveBlower To Provide Free AirFlow Into Inlet OpeningH.Belt Slippage-Adjust The Belt Tension5. Blower VibratesA.Rotor Unbalanced-Check For Material BuildupExcessivelyOn Impeller-Check For Mechanical DamageTo Impeller, Repair or Replace-Rebalance ImpellerB.Loose Motor Mounts-Tighten Bolts6. Excessively NoisyA.Vibration Being Trans--See Vibration Corrections AboveOperationmitted To Surrounding-Install Isolation Pads and FlexibleStructureConnectors Between Blower andSurroundingsB.Rotating Member Touch--Check Free Turning In Both theing A Stationary MemberImpeller and Motor, Adjust AsNecessaryC.Motor Bearings Worn-out-Replace MotorD.Air Leaking From System-Tighten Joints, Flanges andFittings. Look for Unplugged HolesIn PipingE.Loose Sheave-Align and Tighten Sheaves(Belt Drive Only)(page 3-550)
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