BELL HELICOPTER 430 Maintenance Manual page 178

BHT-430-MM-2
5-51. OVERSPEED (CONT)
DATA REFERENCE
5-00-00
Page 148 Rev. 15 26 JAN 2007
CONDITIONAL INSPECTIONS
INSPECTION TASK DESCRIPTION
(4) If the retention bushings are loose, scrap the
blade.
(5) If the skin on any blade is wrinkled or deformed
scrap all the blades.
(6) If the blades pass the above inspection the blade
can be returned to service.
h. Tail rotor controls.
i. Main transmission.
j. Main driveshafts.
k. Examine the torque of the tail rotor gearbox attachment
nuts.
2. If the main rotor overspeed goes above 120% remove and
overhaul the components that follow. Make an entry in the
component record to show that the reason for removal was an
overspeed.
a. Main rotor yokes and blades.
b. Main rotor mast.
c. Transmission.
d. Main driveshafts.
e. Swashplate and levers assembly.
f. Drive hub, drive link and idler link assemblies.
g. Tail rotor driveshafts.
h. Tail rotor driveshaft hanger assemblies.
i. Tail rotor gearbox.
j. Tail rotor hub and blades.
k. Tail rotor controls.
INITIAL
MECH OTHER