TM 1-1520-253-23
ENGINE GROUP
5. GENERAL.
5.1 CONTENTS. The engine group inspection items covered in this section are those items of the CH/MH-47 helicopter
gas turbine engine, model T55 engines, and components listed in the Engine Group Inspection Index (Table 5-1).
Corresponding inspection figures and applicable text paragraphs are listed opposite each item. The index number for
each item may be used to locate it in Figure 5-1.
Index
Inspection
Paragraph
Figure
Number
Nomenclature
Method
Number
Number
2
Engine Oil Pump, Fuel Control, and
ET
Accessory Gearbox Flanges
3
Engine Mount Caps
ET
4
Engine Mount Adapter
ET
5
Forward Engine Mount Structure
ET
*6
Aft Engine Mount Link
MT
*7
Connecting Link
ET
8
Aft Engine Mount Adapter
ET
9
Exhaust Cone and Stiffener
PT
10
Fuel Drain Valve
PT
11
Combustion Chamber Housing
PT
12
Fireshield Section
PT
NOTE: *Indicates Flight Safety Part.
