TM 1-1520-264-23
SECTION III
DRIVE SYSTEM
3.
GENERAL.
3.1
CONTENTS. The drive system inspection items covered in this section are those items of the AH-64A
helicopter transmission, gear boxes, drive shafts and components listed in the Drive System Inspection Index (Table
3-1). Corresponding inspection figures and the applicable text paragraphs are listed opposite each inspection item. The
index number for each item may be used to locate it in Figure 3-1.
Table 3-1.
Drive System Inspection Index
Index
Number
Nomenclature
Inspection
Method
Paragraph
Number
Figure
Number
*2
Drive Shafts
ET
3.2
3-2
*3
Drivetrain Couplings
ET
3.3
3-3
4
Drivetrain Flanges
MT
3.4
3-4
5
Damper and Anti-Flail Supports
ET
3.5
3-5
6
Forward Hanger Bearing Flange
MT
3.6
3-6
7
Forward Hanger Bearing Support
ET
3.7
3-7
8
Aft Hanger Bearing Flange
MT
3.8
3-8
9
Aft Hanger Bearing Support
ET
3.9
3-9
10
Intermediate Gearbox Centrifugal Fan
ET
3.10
3-10
*11
Engine Nose Gearbox
ET
3.11
3-11
12
Engine Nose Gearbox Input Quill Shaft
MT
3.12
3-12
*13
Main Transmission
ET
3.13
3-13
14
Main Transmission Compressor Drive Adapter
ET
3.14
3-14
15
Main Transmission APU Drive Flange
MT
3.15
3-15
16
Main Transmission Tail Rotor Drive Flange
MT
3.16
3-16
17
Main Rotor Gearshaft Drive Gear Teeth
MT
3.17
3-17
*18
Main Rotor Mast Support Base
ET
3.18
3-18
*19
Intermediate Gearbox
ET
3.19
3-19
20
Intermediate Gearbox Retainers
ET
3.20
3-20
21
Intermediate Gearbox Flange and Shouldered Shaft
MT
3.21
3-21
*22
Tail Rotor Gearbox
ET
3.22
3-22
3-1
