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 2.  Clean Engine Gaspath (With Water or With Water and Gaspath Cleaner)
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////

VALVE
TO
SOURCE
L-A9957 (0000) Water Wash Equipment Installation
Figure 701 (Sheet 1)
F00999
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CLEARANCE

LPC 1ST STAGE FAN BLADE

A
L-A9958 (0000)
Water Wash Equipment Installation
Figure 701 (Sheet 2)

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F00998
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
FWD

PWA 101041
WASH NOZZLE

L-A9959 (0000)

Water Wash Equipment Installation
Figure 701 (Sheet 3)

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F01000
SEE A
EEC
EEC P2 TUBE (AS39)
ENGINES WITH PW SB 72-191 A
HOSE (AS12) PB FLEX  (AS10) PAMB FLEX HOSE 
P4.95 FLEX HOSE (AS13)  (AS11) P2 FLEX HOSE 
FLANGE B2 
A Electronic Engine Control Sensing Lines Figure 702 (Sheet 1) ENGINES WITHOUT PW SB 72-191  L-A9954 (0000) 

F00996
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////

(WATER TRAP)
ENGINES WITH SCU WITH MULTIPLEXING

L-A9955 (0000)
Supplemental Control Unit (with Multiplexing) Sense Line Figure 702 (Sheet 2)
F00992
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SEE C
PROPULSION MULTIPLEXER UNIT

P2.5 FLEX HOSE (AS32)
CAP
(P2.5 WATER TRAP)

FWD
C L-A9956 (0000)
Propulsion Multiplexer Unit (PMUX) Sense Lines
Figure 702 (Sheet 3)

F00991
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
　
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