747-400 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 5(87)

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 NOTE:  Extend the flaps sufficiently to move the fairing for access
____ but not until the geneva cam assembly blocks the access.
 S 864-039
 (3)  
Do this task to depressurize hydraulic system No. 1: "Hydraulic System Depressurization" (AMM 29-11-00/201).

 S 024-040

 (4)  
Remove the aft roller support (Fig. 401):

 (a)  
Remove the bolts (22), washers (23) and nuts (24) that attach the aft roller support (19) to the flap track (Section C-C).

 (b)  
Remove the aft roller support and the shims (25).

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747-400 MAINTENANCE MANUAL
 (c)  Disassemble the aft roller support if it is necessary (Section G-G): 1) Remove the nut (47) and washers (48 and 49) that attach the
 roller (46) to the shaft (50). 2) Remove the roller (46) from the shaft (50). 3) Remove the nut (53) and washers (51 and 52) that attach the
 shaft (50) to the support frame (54). 4) Remove the shaft (50) from the support frame (54).
 TASK 27-51-39-404-041
 10. Aft Roller Support Installation
_______________________________
 A. Consumable Materials
 (1)  
A00344 Compound - Soft Filmed (corrosion preventive), MK-C-11796, Class 3

 (2)  
C00259 Enamel - Primer, Green, BMS 10-11

 (3)  
A00247 Sealant - Chromate, BMS 5-95

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 B. Parts
 ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................
 | 401 |  22  | Bolt (Tracks No. 3 and 6)  | 27-51-39 |  04 |  70  |
 |  |  | Bolt (Tracks No. 4 and 5)  |  |  01 |  70  |
 |  |  23  | Washer (Tracks No. 3 and 6)  |  |  04 |  75  |
 |  |  | Washer (Tracks No. 4 and 5)  |  |  01 |  75  |
 |  |  24  | Nut (Tracks No. 3 and 6)  |  |  04 |  80  |
 |  |  | Nut (Tracks No. 4 and 5)  |  |  01 |  80  |
 |  |  25  | Shim (Tracks No. 3 and 6)  |  |  04 |  85  |
 |  |  | Shim (Tracks No. 4 and 5)  |  |  01 |  85  |
 |  |  46  | Aft Roller Assy (Tracks No. 3  |  |  04 |  60  |
 |  |  | and 6)  |  |  |  |
 |  |  | Aft Roller Assy (Tracks No. 4  |  |  01 |  60  |
 |  |  | and 5)  |  |  |  |
 |  |  47  | Nut (Tracks No. 3 and 6)  |  |  04 |  45  |
 |  |  | Nut (Tracks No. 4 and 5)  |  |  01 |  45  |
 |  |  48  | Washer (Tracks No. 3 and 6)  |  |  04 |  50  |
 |  |  | Washer (Tracks No. 4 and 5)  |  |  01 |  50  |
 |  |  49  | Washer (Tracks No. 3 and 6)  |  |  04 |  55  |
 |  |  | Washer (Tracks No. 4 and 5)  |  |  01 |  55  |
 |  |  50  | Shaft Assy (Tracks No. 3 and 6)  |  |  04 |  65  |
 |  |  | Shaft Assy (Tracks No. 4 and 5)  |  |  01 |  65  |
 |  |  51  | Washer (Tracks No. 3 and 6)  |  |  04 |  35  |
 |  |  | Washer (Tracks No. 4 and 5)  |  |  01 |  35  |
　
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