Textron Bell 206B Series - Main Rotor Mast; 1500 Hours of Component Operation

BHT-206A/B-SERIES-MM-1
5-00-00
30 APR 2013 Rev. 14 Page 133
Export Classification C, ECCN EAR99
SCHEDULED INSPECTIONS
5-41. 1500 HOURS OF COMPONENT OPERATION
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
DATE: __________________W.O. _____________________
FACILITY: __________________________________________
HELICOPTER S/N: ___________________________________
REGISTRY NO.: _____________________________________
TOTAL TIME:_______________________________________
SIGNATURE:________________________________________
Chapter 63,
BHT-206A/B/L-Series-
CR&O, Chapter 63
MAIN ROTOR MAST
1. Remove, disassemble, and clean main rotor mast.
2. Inspect main rotor mast as follows:
a. Visually inspect mast splines for burrs, nicks, cracks,
and wear. Indication of wear requires an over pins dimensional
check.
b. Visually inspect mast inner and outer surfaces for
corrosion. Inspect surface protective coatings for condition.
c. Visually inspect bearing balls and races for pits,
erosion, spalling, and brinelling.
3. Reassemble and install main rotor mast.