Chapter 6 - Bell 206L4 Maintenance Manual

BHT-206L4-MM-1
5-30. 1200-HOUR INSPECTION (CONT)
DATA REFERENCE
BHT-ALL-SPM
BHT-ALL-SPM

Chapter 67

5-00-00
Page 94 Rev. 13 25 FEB 2011
SCHEDULED INSPECTIONS
INSPECTION TASK DESCRIPTION
6. If no crack is found, inspect cyclic stick tube for mechanical
and corrosion damage as follows:
a. Damaged and repaired areas must be separated by
1.0 inch (25 mm) minimum.
b. Mechanical damage is not to exceed 0.005 inch
(0.127 mm) depth and 1/3 tube circumference.
c. Corrosion damage is not to exceed 0.0025 inch
(0.0635 mm) depth before and 0.005 inch (0.127 mm) after
repair and 1/3 tube circumference.
d. Condemn as unserviceable a tube that does not meet
these criteria.
7. Inspect bore of cyclic pivot lever assembly where stick tube
is installed for mechanical and corrosion damage. Bore damage
is not to exceed 0.002 inch (0.051 mm) for 1/4 of the
circumference. Limit of one repair per bore. Repair or replace
lever assembly as required.
8. For cyclic stick tubes considered serviceable, polish out
any acceptable damage using 400 to 600 grit abrasive paper
(C-423).
9. Thoroughly clean cyclic stick tube with water and mild
detergent to completely remove residual penetrant and
developer. Dry part completely.
10. Apply chemical film material (C-100) to bare metal area.
11. Touch up area with epoxy polyamide primer (C-204).
Where finish paint coat is required, match to original finish using
polyurethane coating (C-245).
12. Install cyclic control stick.
INITIAL
MECH OTHER
ECCN EAR99