27-51-06
 ALL  ú ú 02 Page 406 ú Oct 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400
MAINTENANCE MANUAL

 C. Consumable Materials
 (1)
D00633 Grease - BMS 3-33 (recommended)

 (2)
D00013 Grease - MIL-G-23827 (alternative)

 (3)
A00247 Sealant - BMS 5-95

 (4)
C00259 Enamel - Primer, Green, BMS 10-11

 D.
Parts

 ~.............................................................................. | MM | | IPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 402 | 1 | Washer (Outboard) | 27-51-04 | 05 | 65 | | | | Washer (All except outboard) | | 05 | 55 | | 402 | 2 | Nut (Outboard) | 27-51-04 | 05 | 57 | | | | Nut (All except outboard) | | | 67 | | | 5 | Pin Assy (Pin) (Outboard) | | | 85 | | | | Pin Assy (Pin) (Center Outboard) | | | 80 | | | | Pin Assy (Pin) (Center Inboard) | | | 75 | | | | Pin Assy (Pin) (Inboard) | | | 70 | | | 6 | Bolt (Lockbolt) (Outboard) | | | 60 | | | | Bolt (Lockbolt) (Center Inboard or| | | 50 | | | | Center Outboard) | | | | | | | Bolt (Lockbolt) (Inboard) | | | 45 | | | 7 | Fitting (Grease Fitting) | | | 100 | | | 8 | Bushing (Tracks No. 1 and 8) | 27-51-40 | 01 | 190 | | | | Bushing (Tracks No. 2 and 7) | | 03 | 135 | | | 9 | Washer (Tracks No. 1 and 8) | | 01 | 185 | | | | Washer (Tracks No. 2 and 7) | | 03 | 120 | | | 10 | Nut (Tracks No. 1 and 8) | | 01 | 200 | | | | Nut (Tracks No. 2 and 7) | | 03 | 130 | | | 11 | Washer (Tracks No. 1 and 8) | | 01 | 195 | | | | Washer (Tracks No. 2 and 7) | | 03 | 125 | | | 12 | Rod Assy - Push (Actuator Rod) | | 01 | 240 | | | | (Tracks No. 1 and 8) | | | | | | | Rod Assy - Push (Actuator Rod) | | 03 | 170 | | | | (Tracks No. 2 and 7) | | | | | | 13 | Washer (Track No. 1 and 8) | | 01 | 180 | | | | Washer (Track No. 2 and 7) | | 03 | 115 | | | 14 | Bolt (Track No. 1 and 8) | | 01 | 175 | | | | Bolt (Track No. 2 and 7) | | 03 | 110 | 2......…........…...................................…..........….....….........1
 E. References
 (1)
12-21-20/301, Trailing Edge Flap System

 (2)
24-22-00/201, Manual Control

 (3)
27-51-06/601, Outboard Aftflap

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

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-51-06
 ALL  ú ú 01 Page 407 ú Feb 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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MAINTENANCE MANUAL

 F. Access
 (1)  
Location Zone
 588 Outboard Flap Aftflap, LH
 688 Outboard Flap Aftflap, RH

 G.
Prepare for the Installation

 S 224-009
 (1)  
Examine the aftflap arms for worn areas (Ref 27-51-06/601).

 S 224-026

 (2)  
If used pins (5) will be installed; examine the pins for worn areas (Fig. 402) (Ref 27-51-06/601).

 S 484-032

 (3)  
Install the strongbacks to the aftflap (Fig. 401).

 S 484-033

 (4)  
Do these steps to attach the load positioner and the spreader bar to the strongbacks (Fig. 401):

 (a)  
Follow the instructions on the instruction plate on the spreader bar to put the adjust-a-leg sling into the correct position.

 (b)  
Move the counter weight to make the spreader bar level.

 (c)  
Attach the load positioner and spreader bar to the strongbacks.

 S 644-011
 (5)  
Lubricate the four pins with a thin layer of grease.

 H.
Install the Outboard Aftflap

 S 424-012
 (1)  
Connect the outboard aftflap to the aftflap arms:

 (a)  
Lift the aftflap (4) into its position.

 (b)  
Put the spindles (3) into the aftflap arms on the midflap (Fig. 402).

 (c)  
Install the four pins, with the grease fitting down, into the aftflap arms and spindles.

 NOTE: Make sure that the slots in the pins are aligned with
____
 the holes in spindles.

 (d)  
Install the lockbolt (6) in each spindle.

 (e)  
Tighten each lockbolt with a washer (1) and a locknut (2).