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SEE A
SEE R
SEE AP FLANGE P SEE AO
SEE AM
FLANGE N SCAVENGE TUBE FOR
SEE S THE NO. 4 BEARINGFLANGE M
SEE AJ
PRESSURE TUBE FOR THE NO. 4 BEARING
SEE AK
SEEAQ
SEE AI
SEE AL
SEE AT
SEE AH
SEE AG
SEE AR
SEE AF
SEE AN SEE AY SEE AW
SEE AE PT 4.95 PRESSURE TUBE
SEE AU
SEE AV SEE AS
SEE AD SEE AA
SCAVENGE TUBE FOR
THE NO. 4 BEARING
SEE AC
VENT TUBE FOR
SEE AX THE NO. 3 BEARING
PRESSURE TUBE FOR THE NO. 4 BEARING SEE AB
A
ENGINES WITH PW SB 79-76
L-B2781 (0000)
Low Pressure Turbine Case Cooling Manifolds Installation
Figure 401 (Sheet 2)
G80127
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE B
LOWER LPT CASE
COOLING AIR TUBES
LOWER SUPPORT BRACKET,
BOLT (QTY 4), AND
NUT (QTY 4)
NO. 7
COOLING
AIR TUBE
BOLT, NUT, UPPER
UPPER STARTER WASHER, AND SUPPORT
AIR DUCT BUSHING FLANGE
FLANGE P COUPLING
UPPER LPT
SEE R CASE COOLING AIR TUBES 2
SEE S
FLANGE N
UPPER SUPPORT BRACKET, LPT CASEBOLT (QTY 4), AND COOLING AIRNUT (QTY 4)
SHUTOFF UPPER LPT CASE
VALVE COOLING AIR TUBES
LOWER STARTER SEE T
AIR DUCT
LPT CASE SEE U COOLING
WIRING HARNESS COLLECTOR BOLTS (14 LOCATIONS)
SEE V SUPPORT TUBE
LOWER LPT CASE
COOLING AIR TUBES
LOWER SUPPORT BRACKET, BOLT AND NUT
BOLT (QTY 4), AND
NUT (QTY 4) LOWER LPT CASE COOLING AIR TUBES
START VALVE
BOLT 1
LOWER AND COUPLING FWD
SUPPORT NUT BOLT FLANGE SUPPORT ROD, BOLT, AND BUSHING, WASHER, AND
BOLT,
NUT NUT (2 LOCATIONS)
WASHER (QTY 2), AND NUT
B
ASSEMBLIES
Low Pressure Turbine Case Cooling Manifolds Installation Figure 401 (Sheet 3)
E28579
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OIL PRESSURE
TUBE FOR THE
NUTNO. 4 BEARING (2 LOCATIONS)
HOSE CLAMP (EXAMPLE)
STRAINER
PACKING
SPRAY SHIELD (EXAMPLE)
OIL PRESSURE
TUBE FOR THE
NO. 4 BEARING
TUBE CLAMP
BOLT (2 LOCATIONS) BOLT NUT
OIL PRESSURE
TUBE FOR THE FLANGE P
NO. 4 BEARING BRACKET
BOLT
FWD
C
FLANGE P
BRACKET
OIL PRESSURE
BOLT TUBE FOR THE
NUT NO. 4 BEARING
TUBE CLAMP
SPACER
OIL PRESSUREBOLT TUBE FOR THE NO. 4 BEARING
NUT
OIL SCAVENGE TUBE FOR THE NO. 4 BEARING
OIL SCAVENGE NUT
FWD
NO. 4 BEARING
TUBE FOR THE
D
E LA2143 (0292)
L-A4352
ENGINES WITHOUT PW SB 79-76
0688
Low Pressure Turbine Case Cooling Manifolds Installation
Figure 401 (Sheet 4)
E27292
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