747-400 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 7(102)

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 14 Sleeve 110 | | 15 | Packing (O-ring) | | | 115 | | | 17 | Bolt (Inbd and Outbd Flaps) | 27-81-03 | 02 | 75 | | | | Bolt (Mid Flaps) | | | 80 | | | 18 | Washer | | | 85 | | | 19 | Overpressure Switch | 27-81-03 | 01 | 120 | | | 20 | Packing (O-ring) | | | 125 | | | 22 | Plug | | | 185 | | | 23 | Packing | | | 190 | | | 25 | Plug | | | 130 | | | 26 | Packing | | | 135 | | | 28 | Bolt (Inbd Flaps) | 27-81-03 | 02 | 45 | | | 28 | Bolt (Outbd and Mid Flaps) | | | 50 | | | 29 | Washer | | | 55 | | | 30 | Bushing (Inbd Flaps ) | | | 65 | | | 30 | Bushing (Outbd and Mid Flaps) | | | 70 | | | 31 | Nut | | | 60 | | | 34 | Washer | 27-81-03 | 01 | 210 | | | 35 | Bolt | | | 200 | | | 35 | Bolt | | | 205 | | | 36 | Drive Motor (Alternate) | | | 195 | | | 56 | Seal | | | 215K | 2......…........…...................................…...........….....…........1
 D. References
 (1)  
AMM 12-13-12/301, Leading Edge Flaps Power Drive Unit - Servicing (Oil Replenishing)

 (2)  
AMM 24-22-00/201, Manual Control

 (3)  
AMM 27-81-00/201, Leading Edge Flap System

 (4)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (5)  
AMM 36-00-00/201, Pneumatic System

 (6)  
SSM 27-81-01, SSM 27-81-02, SSM 27-81-03, SSM 27-81-04, SSM 27-81-05, SSM 27-81-06

 (7)  
WDM 27-51-21, WDM 27-51-22, WDM 27-81-11, WDM 27-81-12, 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

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 E. Access
 (1)  
Location Zone
 512 Krueger Flap Inboard, LH
 523 Variable Camber Flap, LH
 525 Variable Camber Flap, LH
 535 Variable Camber Flap, LH
 612 Krueger Flap Inboard, RH
 623 Variable Camber Flap, RH
 625 Variable Camber Flap, RH
 635 Variable Camber Flap, RH

 F.
Procedure

 S 422-173
 CAUTION:  MAKE SURE THE MARK ON THE NAMEPLATE OF THE POWER DRIVE UNIT IS
_______
 88.7 TURNS. IF THE MARK IS NOT 88.7 TURNS, DAMAGE TO THE POWER DRIVE UNIT CAN OCCUR.
 CAUTION:  MAKE SURE THE DRIVE UNIT INSTALLED AT THE 2L OR 2R POSITION IS
_______
 ONE OF THESE TWO:

 -PART NO. 60B80042-25 OR LATER ODD DASH NUMBER
 -THE ALLIED SIGNAL, BOEING, AND PRESSURE REGULATOR PART NUMBERS ON THE DRIVE UNIT ARE ALL FOLLOWED BY (400).
 AN INSTALLATION OF A DIFFERENT DRIVE UNIT AT THESE LOCATIONS CAN CAUSE DECREASED TORQUE OUTPUT.
 (1)  Install the power drive unit (PDU) (Fig. 201):
 NOTE: If the pressure pump is not available, it will be necessary
____ to fill the PDU with oil before installation in the aircraft. PDU is sensitive to orientation when it is filled with oil on the ground. If it is filled with oil and tipped on its side (or upside down), oil can accumulate in the gearbox breather and on the first operation after installation, oil will spray out on the unit and PDU will look like having an oil leak.
 (a)  
If you install used drive shaft (32) and coupling (41), make sure the worn areas are not out of tolerance (Fig. 204).

 (b)  
Align the mounting lug (27) on the PDU with the structure.

 (c)  
Attach the PDU to the structure with the bolt (28), washers (29), clamp-up bushing (30) and nut (31).

 (d)  
Put the PDU in its position.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
 CAUTION:_______ MAKE SURE YOU CAN EASILY INSTALL THE BOLTS. THIS IS TO MAKE SURE THAT THE DRIVE UNIT ALIGNS CORRECTLY. IF THE DRIVE UNIT IS NOT ALIGNED, DAMAGE TO MOUNTING LUG CAN OCCUR.
 (e)  Install two mounting bolts (17) and washers (18).
 (2)  S 612-021Do this task: "Leading Edge Flap Power Drive Unit Lubrication" (AMM 12-13-12/301).
　
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