Overtorque - BELL HELICOPTER 430 Maintenance Manual

5-48.

OVERTORQUE

DATA REFERENCE
CONDITIONAL INSPECTIONS
INSPECTION TASK DESCRIPTION
DATE: __________________W.O. _____________________
FACILITY: _________________ _ ________________________
HELICOPTER S/N: __________ _ ________________________
REGISTRY NO.: ____________ _ ________________________
TOTAL TIME:_______________________________________
SIGNATURE:_______________ _ ________________________
An overtorque is any incident where torsional loads greater than
the allowed limits are applied into the helicopter dynamic
system.
No action is required if overtorque is within 100% to
105%.
Refer to the Rolls-Royce 250-C40B Operation and
Maintenance Manual Publication 21000 for the
engine overtorque
requirements.
1. When the overtorque is more than 105% but not more than
115%, do the steps that follow:
a. Do a thorough visual inspection of the assemblies that
follow (installed on the helicopter) for signs of damage. Make
sure they are not bent or deformed and show no obvious signs
of damage.
(1) Main rotor yokes and blades.
(2) Start the engine and examine the main rotor, while
in flat pitch position, for any signs of a 1 per rev vibration.
NOTE
limits and the inspection
26 JAN 2007 Rev. 15
BHT-430-MM-2
INITIAL
MECH OTHER
5-00-00
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