TM 55-1520-240-T5-2.3.1 ROTOR BLADE TRACKING AND BALANCING SYSTEM OPERATIONAL CHECK5-2.3.1INITIAL SETUPApplicable Configurations:Tracking with HelituneTools:NoneMaterials:NonePersonnel Required:Rotary Wing Aviator (2)Aircraft ElectricianReferences:TM 55-1520-240-23Equipment Condition:TM 55-1520-240-23:Battery ConnectedElectrical Power OnHydraulic Power OnRotor Blade Tracking and Balancing System VisualCheck Performed (Task 5-2.2).Helicopter Prepared for In-Flight Blade BalancingTASKRESULT1. Check that BLADE TRACK circuit breaker (1) isIf Blade Track circuit breaker (1) is open, close it. Ifclosed.it opens again, go to task 5-2.4.2. Have pilot start engines and stabilize rotors at 100percent rpm. Prepare Helitune unit for GroundTrack, reference TM 55-1520-240-23.3. Release EMERGENCY ISOLATION switch (2)Power status lights (4) on operators console shallon DMU. Press ON key (3) on operators con-be green. If not, go to task 5-2.9.sole.4. Perform ground track procedure, reference TM55-1520-240-23FOLLOW-ON MAINTENANCE:TM 55-1520-240-23:Battery DisconnectedElectrical Power OffHydraulic Power OffDisconnect Helitune EquipmentChange 10END OF TASK5-8.1/(5-8.2 blank)
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