S 014-107-N00

 (15)
 Open the core cowl panels (AMM 71-11-06/201).

 S 014-109-N00
 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU OPEN THE
_______ THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (16) Open the thrust reversers (AMM 78-31-00/201).
 (a)  Install the adapter for the hold-open rod for the thrust
 reverser (G78005).

 NOTE: This will hold the thrust reverser in an extended
____ open position. This will let you install the hold-open equipment (A78001) more easily.
 S 494-019-N00
 (17) Install the hold-open equipment (A78001) for the thrust reverser with the steps that follow (Fig. 402):
 (a)  
Put the actuator lock (2) on the actuator rod (5).

 (b)  
Make sure the lock yoke (7) is against the bolt (6) that
 attaches the actuator rod (5).

 (c)  
Make sure the lock channel (4) is against the actuator
 cylinder.

 (d)  
Put the channel clamp (3) around the actuator rod (5).

 (e)  
Tighten the knurled-head screw (8) to attach the channel
 clamp (3) to the actuator rod (5).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 71-00-02
 ALL  ú ú N01 Page 409 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////

2. ACTUATOR LOCK

Thrust Reverser Hold-Open Equipment Installation
Figure 402

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 71-00-02
 ALL  ú ú N01 Page 410 ú Jun 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(f)  Let the actuator (1) close a small distance to remove the load from the actuator.
 NOTE: This will move the load from the actuator to the
____
 actuator lock (2).

 S 014-000-N00
 (18)
 Remove the core cowl panels (AMM 71-11-06/401) or install the hold-open equipment for the core cowl in the step below.

 S 494-020-N00

 (19)
 Remove the fan cowl panels (AMM 71-11-04/401) or install the hold-open equipment (A71030) for the fan cowl with the steps that follow:

 (a)  If you use the hold-open equipment (A71030) for the fan cowl (Fig. 403), do the steps that follow: 1) Assemble the hold-open equipment (1) on the ground. 2) Put the hold-open equipment (1) on the forward edge of the
 fan cowl panels. 3) Tighten the screw clamps (2). 4) Make sure the hold-open equipment does not touch the
 support structure for the fan cowl.
 (b)  If you use hold-open equipment (G71023) for the fan and core cowl panels, do the step below.
 S 494-001-N00
 (20) If you use the hold-open equipment (G71023) for the fan and core cowls, do the steps that follow (Fig. 404):
 NOTE: Do not use this equipment if the wind speed is more than 20
____
 knots.

 (a)  Install the thrust reverser tube and the attached parts on the thrust reverser (View B or E). 1) Engage the hook on the thrust reverser tube to the loop on
 the thrust reverser.
 NOTE: Make sure the pin on the thrust reverser engages
____ the hole on the thrust reverser tube. Or make sure the pin on the thrust reverser tube engages the hole on the thrust reverser.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 71-00-02
 ALL  ú ú N01 Page 411 ú Feb 10/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////

Fan Cowl Panel Hold Open Equipment Installation
Figure 403

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 動力裝置 POWER PLANT 1(116)