BHT-206A/B-SERIES-MM-1
5-00-00
30 APR 2013 Rev. 14 Page 179
Export Classification C, ECCN EAR99
Rolls-Royce 250
Series Operation and
Maintenance Manual,
5W2 or 10W2
2. Refer to applicable Rolls-Royce 250 Series Operation and
Maintenance Manual for applicable inspection requirements.
BHT-206B3-CR&O 3. After the first 25 hours following an overtorque, conduct a
thorough visual inspection of the following:
a. Main rotor blades and attachments
b. Main rotor hub assembly
BHT-206A/B/L-Series-
CR&O
c. Main rotor mast
BHT-206A/B-M&O,
BHT-206B3-CR&O
d. Transmission top case
e. Transmission spindles, pylon support links, and deck
fittings
f. Cabin roof shell and beam at transmission mount
attachment points
g. Transmission isolation mount attachment points
h. Transmission electric chip detectors
i. Tail rotor gearbox chip detectors and gearbox
attachments
j. Tail rotor hub, blades, and attachments
OVERTORQUE — ABOVE 120%
Overtorque conditional inspection restriction may be changed to
130% and above, provided transmission and tail rotor gearbox
are serviced with DOD-L-87534 oil and torque gauge
206-075-739-115 is installed. (Helicopters S/N 4311 and
subsequent have torque gauge 206-075-739-115 installed.)
5-56. OVERTORQUE (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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