(c)  
Install the lift pads (6 and 9) to the core cowl panel (4) with the bolts (5 and 8).

 WARNING: MAKE SURE THE BOLTS THAT ATTACH THE CORE COWL SLING TO THE
_______ CORE COWL PANEL ARE TIGHT. THE LEFT PANEL WEIGHS APPROXIMATELY 110 POUNDS (50 KGS). THE RIGHT PANEL WEIGHS APPROXIMATELY 90 POUNDS (41 KGS). IF THE CORE COWL PANEL FALLS, AN INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (d)  Make sure the bolts (5 and 8) are tightened to the lift pads (6 and 9).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 71-11-06
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 494-018-N00
 (3)  
Install the hoist arm (2) to the boom hoist (1).

 S 494-036-N00

 (4)  
Attach the core cowl sling (3).

 S 644-039-N00

 (5)  
CORE COWL PANELS WITH HINGE BOLTS; Apply a thin layer of the grease to the shank of the bolts (4).

 NOTE: Do not apply the grease to the threads of the bolts.
____
 S 424-019-N00
 (6)  
Lift the core cowl panel (4) and align the hinges with the fittings on the strut.

 S 434-040-N00

 (7)  
CORE COWL PANELS WITH HINGE BOLTS; Install the bolt (4), washer (2) and nut (3).

 NOTE: The installation direction is optional.
____
 S 434-030-N00
 (8)  
CORE COWL PANELS WITH QUICK-RELEASE PINS; Install the quick-release pin (5).

 S 434-021-N00

 (9)  
Engage the hold-open rod (AMM 71-11-06/201).

 S 094-022-N00

 (10)
 Remove the bolts (5 and 8) from the lift pads (6 and 9).

 (a)  Keep the bolts (5 and 8) in the storage holes on the lift pads.

 (11)
 Install the bolts (7 and 10) to the core cowl panel (4).

 (12)
 Disconnect the core cowl sling (3) from the arm hoist (2).

 (13)
 Remove the boom hoist (1) away from the engine.

 (14)
 Lower the core cowl panels.

 (15)
 Adjust the latches for the core cowl panel (AMM 71-11-07/501).

 S 434-023-N00
 S 094-024-N00
 S 094-025-N00
 S 864-026-N00
 S 824-027-N00
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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S 924-028-N00
 (16) Do the activation procedure for the thrust reverser (AMM 78-31-00/201).
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CORE COWL PANEL LATCH - REMOVAL/INSTALLATION
____________________________________________
 1.  General
________
 A.  Two tasks are given in this procedure. The first task removes the latch for the core cowl panel. The second task installs the latch for the core cowl panel.
 TASK 71-11-07-004-001-N00
 2.  Remove the Core Cowl Panel Latch (Fig. 401)
________________________________
 A.  References
 (1)  
AMM 71-11-06/201, Core Cowl Panel

 (2)  
AMM 78-31-00/201, Thrust Reverser System

 (3)  
IPC 71-11-07 Fig.1

 B.  
Access

 (1)  
Location Zone
 417 and 418 Core Cowl Panel - Engine 1
 427 and 428 Core Cowl Panel - Engine 2
 437 and 438 Core Cowl Panel - Engine 3
 447 and 448 Core Cowl Panel - Engine 4

 C.  
Procedure

 S 044-011-N00
 WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
　
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