BELL HELICOPTER 430 - 5-41. AFTER 1 TO 5 HOURS OF OPERATION FOLLOWING EACH INSTALLATION; MAIN ROTOR YOKES; TAIL ROTOR

BHT-430-MM-2
5-00-00
SPECIAL INSPECTIONS
5-41. AFTER 1 TO 5 HOURS OF OPERATION FOLLOWING EACH INSTALLATION
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
DATE: __________________W.O. ____________________
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FACILITY: _________________________________________
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HELICOPTER S/N: __________________________________
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REGISTRY NO.: ____________________________________
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TOTAL TIME:______________________________________
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SIGNATURE:_______________________________________
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Chapter 62
NOTE
Torque application for the thru-bolts and nuts must
be performed in a specific sequence.
MAIN ROTOR YOKES
1. Following each installation, verify torque of the eight
through-bolts and nuts attaching the main rotor yokes to the
main rotor mast. Repeat the torque verification every 1 to 5
hours until torque stabilize to 60 to 65 foot-pounds (81.35 to
88.12 Nm). (R1)
TAIL ROTOR
Chapter 64 1. Following each installation, verify the torque of the nut
attaching the tail rotor hub assembly to the tail rotor gearbox
output shaft. Repeat the torque verification every 1 to 5 hours
until torque stabilize to 40 to 50 foot-pounds (54.24 to 67.79
Nm) (R2).
26 JAN 2007 Rev. 15 Page 107/108