(2)  
6TE65B00114 Variable Camber Flaps Rigging Bar

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 B.

C.
D.
A
747-400
MAINTENANCE MANUAL

 (3)  
G27013-9 Rigging Tool - Inboard Krueger Flaps No. 11 thru 16

 (4)
12MIT65B04017 Krueger Flaps Rigging Tool (Alternative)References

 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 27-81-00/201, Leading Edge Flap System

 (3)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (4)  
AMM 36-00-00/201, Pneumatic System

 (5)  
AIPC 27-81-03, Fig. 1

 (6)  
AIPC 27-81-03, Fig. 2

 (7)  
SSM 27-81-01, SSM 27-81-02, SSM 27-81-03, SSM 27-81-04, SSM 27-81-05, SSM 27-81-06

 (8)  
WDM 27-51-21, WDM 27-51-22, WDM 27-81-11, WDM 17-81-12, WDM 27-81-21, WDM 27-81-22, WDM 27-81-31, WDM 27-81-32, WDM 27-81-41, WDM 27-81-42, WDM 27-81-81, WDM 27-81-82

Access

 (1)  
Location Zone 513 Krueger Flap Inboard - Center, LH 523 Variable Camber Flap, LH 525 Variable Camber Flap, LH 535 Variable Camber Flap, LH 613 Krueger Flap Inboard - Center, RH 623 Variable Camber Flap, RH 625 Variable Camber Flap, RH 635 Variable Camber Flap, RH

Prepare for Removal
 S 862-002
 (1)  
Do this task: "Supply Electrical Power" (AMM 24-22-00/201).

 S 862-152

 (2)  
Do this task: "Supply Pneumatic Power" (AMM 36-00-00/201).

 S 862-153
 WARNING:  MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
_______ SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (3)  Do this task to pressurize hydraulic systems No. 1 and 4: "Hydraulic System Pressurization" (AMM 29-11-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 862-174
 WARNING:_______ MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
 FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAP
 CONTROL LEVER.  WITH HYDRAULIC POWER REMOVED, THE FLAPS WILL
 MOVE AUTOMATICALLY BY ELECTRICAL POWER WHEN YOU MOVE THE FLAP
 CONTROL LEVER.

 (4)  If primary system operation is possible, do this task to extend the LE flaps with the flap control lever: "Leading Edge Flaps Extension by Pneumatic Power" (AMM 27-81-00/201).
 S 862-004
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LEADING
_______ EDGE FLAPS BEFORE YOU EXTEND THE FLAPS. FLAPS EXTENSION CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 CAUTION: DO NOT ELECTRICALLY EXTEND OR RETRACT THE FLAPS MORE THAN ONE
_______ TIME IN 5 MINUTES. DAMAGE TO THE MOTOR CAN OCCUR IF THE MOTOR BECOMES TOO HOT.
 (5)  
If you cannot extend the LE flaps by the primary system, extend the LE flaps through the alternate system:

 (a)  
Push the ALTN FLAPS ARM switch on the pilot's center panel.

 (b)  
Put the ALTN FLAPS EXT/RET switch in the EXT position.

 S 862-005
 (6)  
Do these steps if the PDU does not operate with the LE flaps retracted:

 (a)  
Get access to the PDU through the wing leading edge.

 (b)  
Do this task: "Leading Edge Flaps Extension" (AMM 27-81-00/201).

 S 862-006
 (7)  
Put the ALTN FLAPS EXT/RET switch to the OFF position.

 S 862-161

 (8)  
Push the ALTN FLAPS ARM switch to put the flap system in the usual operation.
　
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