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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(2)
Access Panel
416 Right Thrust Reverser Half - Engine 1
426 Right Thrust Reverser Half - Engine 2
436 Right Thrust Reverser Half - Engine 3
446 Right Thrust Reverser Half - Engine 4
F.
Prepare to Install the Variable Stator Vane Actuator
S 224-021-N00
(1)
Examine the clearance between the bolt (25) and bearing stop (27) and between bearing and bearing pin (25).
(a)
Make sure the clearances are in the limits which are shown in the table that follows:
~............................................................. | | | NEW PART REFERENCE | CLEARANCE | | | | DIMENSIONS | LIMITS | | PART | | INCHES | INCHES | | NAME | DIA | (MM) | (MM) | | | ............................................... | | | MIN | MAX | MIN | MAX | ............................................................... | BOLT | OD | 0.216 | 0.217 | | | | | | (5.487) | (5.511) | 0.001 | 0.004 | ......................................... (0.026) | (0.101) | | BEARING | ID | 0.218 | 0.220 | | | | STOP | | (5.538) | (5.588) | | | ............................................................... | BEARING | OD | 0.7487 | 0.7490 | | | | PIN | | (19.0170) | (19.0246) | 0.0005 | 0.0013 | ......................................... (0.0127) | (0.0330) | | BEARING | ID | 0.7495 | 0.7500 | | | | | | (19.0373) | (19.0500) | | | 2.........….....…...........…...........…..........…..........1
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S 224-022-N00
(2) Examine the clearance between the shoulder bolt (4) and right bellcrank lever, the shoulder bolt and left bellcrank lever, and between the shoulder bolt and rod end bearing (5).
(a) Make sure the clearances are in the limits which are shown in the table that follows:
~............................................................. | | | NEW PART REFERENCE | CLEARANCE | | | | DIMENSIONS | LIMITS | | PART | | INCHES | INCHES | | NAME | DIA | (MM) | (MM) | | | ............................................... | | | MIN | MAX | MIN | MAX | ............................................................... | BOLT | OD | 0.497 | 0.498 | | | | | | (12.624) | (12.649) | 0.0015 | 0.0035 | ......................................... (0.039) | (0.088) | | RIGHT | ID | 0.4995 | 0.5005 | | | | LEVER | | (12.688) | (12.712) | | | ............................................................... | BOLT | OD | 0.3739 | 0.3744 | | | | | | (9.4971) | (9.5097) | 0.0001 | 0.0016 | ......................................... (0.003) | (0.040) | | LEFT | ID | 0.3745 | 0.3755 | | | | LEVER | | (9.513) | (9.537) | | | ............................................................... | BOLT | OD | 0.3739 | 0.3744 | | | | | | (9.4971) | (9.5097) | 0.0001 | 0.0011 | ......................................... (0.003) | (0.027) | | BEARING | ID | 0.3745 | 0.3750 | | | | | | (9.5123) | (9.5250) | | | 2.........….....…...........…...........…..........…..........1
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ALL ú ú N02 Page 409 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 424-062-N00
(3)
If it is necessary to install a new actuator (7), do the steps that follow:
(a)
Lubricate the packings (8, 15, and 16) with the petrolatum white.
(b)
Install the packing (8) on the adapter (9).
(c)
Install the packing (16) on the adapter (12).
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