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
