300-Hour Airframe Progressive Inspection - Event No. 1 - Bell 206L4 Maintenance Manual

BHT-206L4-MM-1
5-21. 300-HOUR AIRFRAME PROGRESSIVE INSPECTION — EVENT NO. 1 (CONT)
DATA REFERENCE
BHT-206L-CR&O
5-00-00
Page 48 Rev. 13 25 FEB 2011
PROGRESSIVE INSPECTIONS
INSPECTION TASK DESCRIPTION
7. If applicable, reinstall main rotor blade leading edge
erosion protection tape.
8. Examine the following
components for condition and security:
a. Mast nut
b. Trunnion
c. Pillow blocks
d. Grips
e. Pitch horns
f. Static stops
9. Examine pitch horn trunnion bearings for evidence of wear,
damage, and for security.
10. Examine main rotor yoke for corrosion or mechanical
damage as follows:
a. Examine fillet radius of both yoke spindles inboard of
wear sleeves for evidence of corrosion. If corrosion is visible,
remove with fine abrasive pad (C-407). If corrosion cannot be
removed with pads, or is extensive, disassemble hub for
inspection and repair.
If the main rotor hub must be disassembled, omit
remaining steps.
b. Examine entire yoke centre section (inboard and
outboard surfaces) for damage.
c. Touch up all repaired areas or areas of bare metal in
accordance with applicable main rotor hub inspection and repair
instructions.
main rotor hub
NOTE
INITIAL
MECH OTHER
assembly
ECCN EAR99