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LPT NO. 7 (TCC) MANIFOLD 1
CLAMP, BOLT,
AND NUT
WIRE HARNESS
SUPPORT TUBE
AA
NO. 2 TVC AIR DUCT
SEE F
ENGINE FIRE DETECTOR ELEMENT AND SUPPORT TUBE
FWDLOWER HPT CASESEE G
SEE H COOLING AIR TUBES
LPT NO. 7 (TCC) MANIFOLD 1
B BOLT AND NUTPNEUMATIC (3 LOCATIONS)MANIFOLD
NUT AND WASHER FLANGE N BRACKET
BOLT
(2 LOCATIONS)
LOWER FLANGE M
SUPPORT
LINK BOLT, WASHER,
AND NUT LPT TUBE
FLANGE N BRIDGE BRACKET
BRACKET
FWD
C D
1 ENGINES WITHOUT PW SB 75-53
High Pressure Turbine Case Cooling Manifolds Installation
Figure 401 (Sheet 2)
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
LOWER FORWARD
FLANGE M HPT CASE COOLING
BRACKET AIR TUBE
HEAT SHIELD
TRIANGULAR BRACKET
BOLT SCREW
(2 LOCATIONS)
BOLT
FWD (2 LOCATIONS)
WASHER
(2 LOCATIONS) AND NUT SHIELD HEAT FORWARD EEC PT4.95 PRESSURE TUBE TUBE NUT
NO. 4 TVC
F AIR DUCT CLAMPS, BOLT, AND NUT
(REF)
AFT EEC PT4.95
TUBE NUT PRESSURE TUBE
NO. 3 TVC AFT NO. 3 BEARING
AIR DUCT OIL VENT TUBE
SEE J SEE I DEOILER OUTLET BRACKET ACCESSORY
TUBE
COOLING AIR CLAMP, BOLT,
TUBE
AND NUT SEE N
(3 LOCATIONS)
NO. 4 BEARING OIL SCAVENGE TUBE
ENGINE FIRE
DETECTORSPRAY SHIELDELEMENT ANDAND HOSE CLAMP SUPPORT TUBE
SEE K
TUBE NUT
CLAMP, BOLT, AND NUT SEE L
HEATCLAMP, BOLT, SHIELDWASHERS, AND NUT
CLAMP, BOLT, HPT BRIDGE WASHER, AND SEE M
FWD BRACKET NUT
E
High Pressure Turbine Case Cooling Manifolds Installation Figure 401 (Sheet 3)
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WIRE
FLANGE P
HARNESS SUPPORT TUBE BRACKET LPT TUBE BRIDGE BRACKET
CLAMP,
BOLT,
AND NUT
LOWER
STARTER BOLT WIRE SUPPORT
AIR DUCT FWD AND NUT HARNESS TUBE
FWD
H
G
FLANGE N
BRACKET
FIRE DETECTOR
WIRE BUNDLE
EEC PT4.95 TUBE NUT SUPPORT BRACKET
PRESSURE TUBE BRACKET SUPPORT
BRACKET
DIFFUSER CLAMP,
CASE BOLT, AND
NUT CLAMPS, WASHER BOLT AND
TUBE NUT BOLT, (3 LOCATIONS)
AND NUT
BOLT AND
FLANGE N (4 LOCATIONS) WASHER
FWD
FORWARD NO. 3 BEARING
OIL VENT TUBE I J FWD
BOLT FIRE DETECTOR
FLANGE N AND NUT ELEMENT SUPPORT TUBE
BRACKET LPT TUBE (3 LOCATIONS) SUPPORT BRACKET
BRIDGE
BOLT BRACKET FLANGE N
AND NUT BOLT
AND NUT FLANGE N
(3 LOCATIONS) BRACKET
LPT TUBE
BRIDGE BOLT,
BRACKET WASHER,
AND NUT FIRE DETECTOR BOLT
(3 LOCATIONS) ELEMENT SUPPORT TUBE AND NUTBOLT,
WASHER,FLANGE N SUPPORT BRACKET
AND NUT (3 LOCATIONS) FWD
FWD
K L
High Pressure Turbine Case Cooling Manifolds Installation
Figure 401 (Sheet 4)
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