FWD
A
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
72-00-00
ALL ú ú N01 Page 641 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE A
SEE B
OIL TANK (REF)
FWD
A
No. 3 Bearing Breather Tube Inspection
Figure 606 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
72-00-00
ALL ú ú N01 Page 642 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
SEE E SEE D SEE F
FLANGE K DIFFUSER CASE INTERNAL TUBE
SEE C
NUT FWD
TUBE N0. 3 BEARING
NUT BREATHER TUBE (UPPER)
N0. 3 BEARINGSEE G BREATHER TUBE (LOWER)
BOLT
(3 LOCATIONS)
ENGINE OIL TANK (REF)
PACKING MAIN GEARBOX NUT (REF) CLAMP-
BRACKET B BOLT SHELL(REF)
CLAMP CLAMP BRACKET (REF)
BOLT
DC
BOLT
BOLT CLAMP-CLAMP SHELL CLAMP
BRACKETCLAMP-NUT
SHELL (REF)
HPC AIR
BRACKET
NUT CLAMP VALVE BRACKET
(REF) BOLT
NUT
FG E
NOTE: QEC EQUIPMENT NOT SHOWN FOR CLARITY
No. 3 Bearing Breather Tube Inspection
Figure 606 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
72-00-00
ALL ú ú N02 Page 643 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE A
HEAT SHIELD
SCREW WASHER
BOLT NUT WASHER
FWD
SCREW WASHER
MAIN GEARBOX (REF)
NOTE: IDG SHOWN ALREADY REMOVED.
A
No. 3 Bearing Oil Scavenge Manifold Inspection
Figure 607 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
72-00-00
ALL ú ú N01 Page 644 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
DIFFUSER CASE
INTERNAL NUT
TUBE
SEE B
NUT
FOR THE NO. 3 BEARING OIL SCAVENGE MANIFOLD
THE NO. 4 BEARING (REF) OIL SCAVENGE TUBE FOR
SEE C
OIL PUMP (REF) AND SCAVENGE LUBRICATION
SEE D BOLTS LUBRICATION AND SCAVENGE OIL PUMP (REF) B
(QTY 2) CLAMPSHELLS CLAMP MAIN GEARBOX (REF)
OIL SCAVENGE TUBE NO. 4 BEARING (REF) NUTS PACKING SCAVENGE MANIFOLD NO. 3 BEARING OIL FWD BRACKET 2 HARNESS LUGS
WIRE HARNESS
1 3 2 WITHOUT PW SB 79-75 ENGINES WITH PW SB 79-46 AND THAT HAS A STUD AND LUG CONNECTOR ENGINES WITH A THEROCOUPLE PROBE THAT HAS A PIN AND SOCKET CONNECTOR ENGINES WITH A THERMOCOUPLE PROBE 1 C 3 CONNECTOR ELECTRICAL (3 LOCATIONS) BOLT L-A4709
Figure 607 (Sheet 2) No. 3 Bearing Oil Scavenge Manifold Inspection
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
72-00-00
ALL ú ú N01 Page 645 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
SCAVENGE OIL PUMP (REF) LUBRICATION AND MAIN GEARBOX (REF)
2
FWD
HARNESS LUGS
NO. 3 BEARING OIL SCAVENGE MANIFOLD BRACKET
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：747-400 AMM 飞机维护手册 发动机 ENGINE 1(43)
