5-2.4 BLADE TRACK CIRCUIT BREAKER WILL NOT STAY CLOSED

5-2.3.1 ROTOR BLADE TRACKING AND BALANCING SYSTEM OPERATIONAL CHECK

5-2.5 PHAZOR CLOCK ANGLE INDICATOR LIGHTS DO NOT COME ON

TM-55-1520-240-T-1 CH-47D Heilcopter Manual
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TM 55-1520-240-T 5-2.4 BLADE TRACK CIRCUIT BREAKER WILL NOT STAY CLOSED 5-2.4 FAULT lSOLATlON PROCEDURE INITIAL SETUP Applicable Configurations: All Tools: Electrical Repairer’s Tool Kit, NSN 5180-00-323-4915 Multimeter Materials: None Personnel Required: Aircraft Electrician References: TM 55-1520-240-23 TM55-4920-402-13&P (Vibrex) Helitune Rotortuner Dash 5 Vendor Manual (Heli- tune). Equipment Condition: TM 55-1520-240-23: Battery Disconnected Electrical Power Off Hydraulic Power Off Tracking Targets Installed (Only When Tracking With Strobex). Helicopter Prepared for In-Flight Blade Balancing DID BLADE TRACK CB 138CB1 OPEN AFTER BALANCER AND TROUBLESHOOT VIBREX BAL- STROBE LIGHT ARE CONNECTED ANCER TM 55-4920-402-13&P OR TO BLADE TRACK RECEPTACLE HELlTUNE ROTORTUNER. AND TURNED ON? LOCATE GROUND FAULT ON END OF TASK Change 10 5-9

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