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S 094-163-N00 (12) Remove the hold-open equipment (A78001) for the thrust reverser with the steps that follow (Fig. 402): NOTE: You must close the cowling if the engine is off the strut for ____ more than one day. You must also close the cowling if the winds are more than the wind limits of the hold-open equipment.
(a) Open the thrust reverser to release the load on the hold-open equipment (AMM 78-31-00/201).
(b) Open the thrust reverser to the maximum actuator extension to apply a load to the actuator (1).
NOTE: This will remove the load on the actuator lock. ____ (c) Loosen the knurled-head screw (8) to release the channel clamp (3).
(d) Move the channel clamp (3) off the actuator rod (5).
(e) Remove the actuator lock (2) from the actuator (1).
S 094-031-N00 (13) Remove the hold-open equipment (A71030) for the fan cowl (if it is installed) with the steps that follow (Fig. 403): NOTE: You must close the cowling if the engine is off the strut ____ for more than one day. You must also close the cowling if the winds are more than the wind limits of the hold-open equipment.
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71-00-02 ALL ú ú N01 Page 445 ú Feb 10/97 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. ////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL //////////////////////// WARNING: MAKE SURE YOU HOLD THE FAN COWL PANELS BEFORE YOU REMOVE _______ THE HOLD-OPEN EQUIPMENT. IF THE FAN COWL PANEL IS NOT HELD, IT CAN FALL AND CAUSE INJURY TO PERSONS.
(a) Hold the fan cowl panels.
(b) Loosen the screw clamps (2).
(c) Remove the hold-open equipment (1).
S 094-055-N00 (14) If you installed the hold-open equipment (G71023) for the fan and core cowl panels, remove the hold-open equipment (Fig. 404) with the steps that follow: NOTE: You must close the cowling if the engine is off the strut ____ more than one day. You must also close the cowling if the winds are more than the wind limits of the hold-open equipment.
(a) Open the thrust reverser to remove the load on the hold-open equipment (AMM 78-31-00/201).
(b) Remove the forward tube assembly from the fan cowl panel (View A or D) with the steps that follow: 1) Open the fan cowl panel to remove the load on the hold-open
equipment (AMM 71-11-04/201). 2) Remove the lockpin from the pin hole on the thrust reverser tube. 3) Loosen the knobs on the fan cowl tube to disconnect the tube from the fan cowl panel. 4) For the right fan cowl panel, open the fan cowl latch. 5) Disengage the hooks from the loops. 6) Turn the forward tube and remove the forward tube assembly from the fan cowl panel and the thrust reverser tube. (c) Remove the aft tube assembly from the core cowl panel (View C or F) with the steps that follow: 1) Open the core cowl panel to remove the load on the hold-open equipment (AMM 71-11-06/201). 2) Remove the pin from the aft tube and the attachment block. 3) Remove the lockpin from the pin hole on the thrust reverser tube. 4) Turn and remove the aft tube. 5) For the right core cowl, open the core cowl latch. 6) For the left core cowl panel, remove the pin from the lockhole on the attachment block. 7) Remove the attachment block from the core cowl panel. (d) Remove the thrust reverser tube from the thrust reversers (View B or E) with the steps that follow: 1) Loosen the knobs on the thrust reverser tube. 2) Remove the thrust reverser tube from the thrust reverser. EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
71-00-02 ALL ú ú N01 Page 446 ú Feb 10/96 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. S 414-118-N00 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00 WHEN YOU CLOSE THE THRUST _______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR. 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 动力装置 POWER PLANT 2
