INTRODUCTION
Page 1 Jul 15/2009
757
POWERPLANT BUILDUP MANUAL
(Continued)
ABBREVIATION DEFINITION ABBREVIATION DEFINITION
SYS Systems Anti-Ice
HORIZ Horizontal TAI Thermal Anti-Ice
HYD Hydraulic TEMP Temperature
IDG Integrated Drive UPR Upper
Generator W/B Wire Bundle
INBD Inboard XDCR Transducer
INSTL Installation XMTR Transmitter
INSTR Instrument
Table 2:
TERMS DEFINITION
Basic Engine The assembled engine as furnished by the engine manufacturer.
Powerplant Basic engine with QEC equipment installed.
QEC Equipment Airframe manufacturer supplied parts installed during powerplant buildup.
Run-On Torque Torque required to check self-locking features of nuts or nut plates.
INTRODUCTION
Page 2 May 05/2009
757
POWERPLANT BUILDUP MANUAL
Engine Flange Location
Figure 1 (Sheet 1)
INTRODUCTION
Page 3 Jan 15/2010
2. Description
A. PW2000 Series Basic Engine
(1)
The PW2000 series engine is a two-spool, axial flow, high bypass ratio turbofan. A two-stage high pressure turbine drives the 12-stage high pressure compressor. A five-stage low pressure turbine drives the fan and four-stage low pressure compressor. The accessory drive system extracts energy from the high pressure high-speed rotor to drive engine accessories and engine mounted airplane accessories.
(2)
Accessory items pertaining to engine operation such as fuel control unit, fuel pump, oil tank, oil fuel filters, oil pump, and other necessary equipment are supplied and installed by Pratt & Whitney Aircraft. Installation procedures for these items are contained in the Pratt & Whitney PW2000 Series Engine Manual.
(3)
Identification of engine flanges is presented in Fig 1.
3. Demountable Powerplant
A. The demountable powerplant consists of the Pratt & Whitney PW2000 series basic engine and Boeing QEC kit parts.
B. Principal physical characteristics of the powerplant are approximately:
Table 3:
ITEM WEIGHT LENGTH DIAMETER
Basic Engine 7129 lb 149 in 85 in.
Turbine Exhaust Sleeve 140 lb 51 in. 29 in.*
Turbine Exhaust Plug 25 lb 31 in. 23 in.
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