71-00-02
ALL ú ú N03 Page 426 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(b)
Disconnect the hydraulic pressure line (32).
1) Install the protection caps on the hydraulic pressure line (32) and the mating connector.
(c)
Disconnect the hydraulic drain line (34).
1) Install the protection caps on the hydraulic drain line (34) and the mating connector.
S 034-096-N00
CAUTION: YOU MUST INSTALL THE CAPS ON THE FUEL SUPPLY LINE AND THE
_______ RACEWAY CONNECTOR. IF YOU DO NOT INSTALL THE CAPS, CONTAMINATION CAN GET INTO THE FUEL SYSTEM AND CAUSE DAMAGE TO THE ENGINE.
(31)
Turn the coupling counterclockwise to disconnect the hose (35) for the main fuel supply.
S 034-057-N00
(32)
Pull the hose (35) away from the raceway connector (Fig. 407, view J).
(a)
Discard the packing (40).
(b)
Make sure the retainer ring (41) stays in the coupling.
(c)
Install the protection covers on the open end of the hose (35) and raceway connector.
S 864-031-N00
(33)
If it is necessary for other maintenance, supply electrical power (AMM 24-22-00/201).
S 034-036-N00
(34)
Disconnect the pneumatic hose (5) from the precooler (Fig. 407, view C).
S 034-037-N00
(35)
Remove the clamp (16) and seal (17) from the precooler inlet duct (15) (Fig. 407, view C).
S 034-007-N00
(36)
Remove the precooler inlet duct (15).
S 034-023-N00
(37)
Remove the thermal anti-ice (TAI) duct (24) on the inlet cowl with the steps that follow (Fig. 407, view D):
(a)
Remove the bolt (22), washers (21 and 23) and nut (20) from the fan case bracket.
(b)
Remove the V-band clamps (19) and seals (18).
(c)
Remove the TAI duct (24).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
71-00-02
ALL ú ú N02 Page 427 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
CAUTION:_______YOU MUST INSTALL THE CAPS ON THE PNEUMATIC DUCTS. IF YOU DO NOT INSTALL THE CAPS, CONTAMINATION CAN GO INTO THE PNEUMATIC DUCTS AND CAUSE DAMAGE TO THE TAI VALVE.
(d) Install the protection covers on the two openings of the TAI duct (24).
S 034-032-N00
CAUTION:_______YOU MUST INSTALL THE CAPS ON THE LINES AND CONNECTORS. IF YOU DO NOT INSTALL THE CAPS, CONTAMINATION CAN GO INTO THE LINES AND CONNECTORS AND CAUSE DAMAGE TO THE ENGINE.
(38)
Disconnect the static pressure hose (29) for the EEC (Fig. 407, view F).
S 034-035-N00
(39)
Remove the top section of the starter duct (39) with the steps that follow (Fig. 407, view I):
(a)
Remove the clamps (37) and seals (38).
(b)
Remove the starter duct (39).
(c)
Install the protection covers on the two openings of the starter duct (39).
TASK 71-00-02-004-001-N00
3. Remove the Power Plant With the Bootstrap Equipment___________________________________________________
NOTE: The bootstrap procedure is the recommended procedure, but you can do
____ the optional procedure which uses the PT90-E Universal Engine Change System.
A. Special Tools and Equipment
(1)
G71003 Bootstrap Equipment
(2)
A71006-79 Cradle
(3)
110059-501 Transportation Stand, Stang Hydronics, Inc
(4)
A71003-40 Torque Equipment - Engine Mount
B.
Standard Tools and Equipment
(1) 中國(guó)航空網(wǎng) www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：747-400 AMM 飛機(jī)維護(hù)手冊(cè) 動(dòng)力裝置 POWER PLANT 1(121)
