(a)
Loosen screws (9), (5), (15), (7), (4), and (5) one full turn.
(b)
Install the fan exit outer fairing assembly (1). 1) Attach the outer fairing (1) to the inner fairings (3) with
screws (12), lubricated with Engine Oil. 2) Tighten the screws with your hand.
(c)
Attach the outer fairing (1) to the outer case with the screws (14) and shoulder screws (13), lubricated with Engine Oil. 1) Tighten the screws with your hand.
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(d)
Tighten all the outer fairing screws (13), (14), and (12) in this sequence (13, 14, 12). 1) Loosen the screws (13), (14), and (12) in this sequence
(13, 14, 12), one full turn.
(e)
Install the cover plate (10). 1) Attach the cover plate (10) to the inner (3) and outer fairings (1) with screws (11), lubricated with Engine Oil.
2) Tighten the screws against the cover, then loosen them one full turn.
NOTE: The fairings must be sufficiently loose to permit
____ radial movement. If they are not, loosen the screws another one quarter turn.
(f) Tighten the cover plate screws (11) to 22 pound-inches (2.486 newton-meters) plus the torque necessary to turn the screw through the self-locking feature.
NOTE: The maximum torque is 40 pound-inches (4.519
____
newton-meters).
S 824-041-N00
(4)
Adjust the height of the fairing cover plate as follows (Fig. 402):
(a)
Lower the fairing/cover plate assembly (1) against the intermediate case platform, 1) Do this while you keep to the dimensions in Figure 402
Sheet 6.
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
~................................................ | TABLE 403 | | DIMENSIONS FOR FIGURE 402 SHEET 6 | .................................................. | CALLOUT | LIMIT | .................................................. | AZ | 0.731 - 0.831 in. (18.6 - 21.1 mm) | .................................................. | BB | 42.000 in. (1066.800 mm) to | | | the engine centerline. | .................................................. | BA | 28.170 in. (715.518 mm) to | | | engine center line. | .................................................. | AY | 1.640 - 1.740 in. | | | (41.7 - 44.2 mm) | .................................................. | BE | Choose the correct class of washer,| | | 0 to 3 units as necessary, at | | | positions BE. The total height | | | must not be more than 0.253 in. | | | (6.426 mm). | 2...........…....................................1
(b)
If there are spaces under the flaps of the side panels (3) and access covers (6), install classified washers below the bolt holes (See Figure 402, Sheet 6, Item BE).
(c)
Bond the classified washers to the inside of the access covers (6) at boltholes BE as follows: 1) Clean the bond areas with Alcohol. 2) With the Sealant, make a fillet all around the edges of the
washers.
NOTE: The sealant is not permitted between the washers and
____ the intermediate case. It is also not permitted between the washers and the fairings.
3) Cure the sealant in air that is at ambient temperature, and that has a relative humidity of 25 percent. a) Cure the sealant for two hours before you touch it.
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(d) Tighten the remaining screws as follows (See Figure 402). 1) Tighten the access cover screws (5) to 22 pound-inches
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