BELL HELICOPTER 430 Maintenance Manual page 73

5-19. PROGRESSIVE INSPECTION — EVENT 4 (CONT)
DATA REFERENCE
Chapter 64
Chapter 64
BHT-430-CR&O-3
BHT-430-CR&O-3
BHT-430-CR&O-3
SCHEDULED INSPECTIONS
INSPECTION TASK DESCRIPTION
d. Check for rough or worn counterweight bellcrank
bearings.
e. Check for worn inner race in the tail rotor idler
assembly.
f. Check for unbonded bearing in the upper leg of tail rotor
input lever assembly.
g. Check for worn bearings in the tail rotor pitch links.
19. Make sure that the tail rotor hub and blades are clean.
Examine the blades for damage. Examine the pitch change
bearings, trunnion bearings and pitch link bearings for
looseness. Make sure the pitch horns are correctly attached.
(R2)
20. Make sure that the tail rotor hub and blade assembly
retaining nut has the correct torque. (R2)
21. Make sure that the tail rotor blades attaching bolts/nuts
have the correct torque. (R2)
22. Inspect tail rotor blades pitch change bearings as follows:
a. Without removing the blade, clean exposed areas of
pitch change bearings.
b. With the blade bolts torqued to the highest value of
torque range, visually inspect each bearing inner member neck
area (full 360°) for cracks. If crack(s) are found in a bearing,
replacement of both bearings in that blade is required.
c. Visually inspect chamfered washers installed in direct
contact with the outboard surface of the yoke for deformation.
Deformed washers must be replaced.
MECH OTHER
26 JAN 2007 Rev. 15
BHT-430-MM-2
INITIAL
5-00-00
Page 43/44