TM 1-1520-264-23
SECTION II
ROTOR SYSTEM
2.
GENERAL.
2.1 CONTENTS. The rotor system inspection items covered in this section are those critical items of the AH-64A
helicopter rotor blades, rotor head, and components listed in the Rotor System Inspection Index (Table 2-1).
Corresponding inspection figures and applicable text paragraphs are listed opposite each inspection item. The index
number for each item may be used to locate it in Figure 2-1.
Table 2-1. Rotor System Inspection Index
Index
Inspection
Paragraph
Figure
Number
Nomenclature
Method
Number
Number
2
Main Rotor Droop Stop Follower (Plunger)
PT
2.2
2-2
3
Droop Stop Ring
MT
2.3
2-3
*4
Main Rotor Blade (Voids)
BT
2.4
2-4
*5
Main Rotor Blade
PT
2.5
2-5
*6
Main Rotor Blade
RT
2.6
2-6
7
Main Rotor Blade Weight Support Fittings
ET
2.7
2-7
*8
Main Rotor Mast
MT
2.8
2-8
9
Main Rotor Mast Retaining Ring
MT
2.9
2-9
*10
Main Rotor Hub Retention Nut
MT
2.10
2-10
*11
Main Rotor Head (Hub)
ET
2.11
2-11
*12
Main Rotor Lead Lag Link (Damper Link)
ET
2.12
2-12
13
Main Rotor Damper
ET
2.13
2-13
14
Main Rotor Damper Trunnion
ET
2.14
2-14
*15
Main Rotor Damper Rod End
MT
2.15
2-15
*16
Main Rotor Pitch Housing
ET
2.16
2-16
*17
Main Rotor Feathering Bearing Housing
ET
2.17
2-17
18
Main Rotor Striker Plate and Shims
MT
2.18
2-18
*19
Main Rotor Hub Bearing
ET
2.19
2-19
*20
Main Rotor Lower Shoe
ET
2.20
2-20
*21
Main Rotor Head Hub Load Plate
MT
2.21
2-21
22
Main Rotor Hub Brackets
MT
2.22
2-22
2-1
