BHT-206A/B-SERIES-MM-1
5-00-00
30 APR 2013 Rev. 14 Page 77
Export Classification C, ECCN EAR99
TAIL ROTOR GEARBOX
Chapter 53 1. Examine tail rotor gearbox support for condition and
security. Pay particular attention for cracks at the gearbox
attachment holes.
Chapter 65 2. Examine tail rotor gearbox for oil leaks, condition and
security.
3. Examine gearbox oil for evidence of contamination.
4. Examine tail rotor output shaft for condition.
5. Torque check tail rotor gearbox retaining nuts 50 to
70 inch-pounds (5.6 to 7.9 Nm).
6. Examine the tail rotor gearbox chip detector for
accumulated material.
Chapter 96 7. Perform operational check of the tail rotor gearbox chip
detector.
Chapter 67 TAIL ROTOR PITCH CHANGE CONTROLS
1. Examine the tail rotor pitch change control mechanism for
freedom of travel throughout range and for condition and
security.
2. Examine the following tail rotor pitch change components:
a. Boot for condition, security, and evidence of grease or
oil leakage.
b. Lower control mechanism rod for condition of bearings.
c. Pitch links and spherical bearings for condition and
security.
d. Crosshead for condition and security.
e. Knurled nut for condition and security and liner for
excessive play.
5-24. 300-HOUR AIRFRAME PROGRESSIVE INSPECTION — EVENT NO. 4 (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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