747-400 AMM 飞机维护手册 发动机 ENGINE 1(187)

 attach the wire bundle clamps to the lower holes in the split bracket (47) at the 1:30 o'clock position.
 2)  Remove the bolt (1) and nut (2) that attaches the wire bundle clamp to the upper holes in the split bracket (47) at the 1:30 o'clock position.
 (i)  
Remove the bolt (1) and nut (2) that attaches the wire bundle clamps to the upper hole in the Flange B1 bracket at the 1:30 o'clock position.

 (j)  
Remove the screw (4), washer (5), and nut (6) that attaches the wire bundle clamp to the lower hole in the Flange B1 bracket at the 1:30 o'clock position.

 (k)  
Remove the screw (4), washer (5), and nut (6) that attach the wire bundle clamp to the bracket (32) at the 1:30 o'clock position.

 (l)  
Remove the screw (4), washer (5), and nut (6) that attach the wire bundle clamp to the bracket (27) at the 1:00 o'clock position.

 (m)  
Remove the screw (4), washer (5), and nut (6) that attach the wire bundle clamp to the bracket (27) at the 12:00 o'clock position.

 (n)  
Put the wire bundles rearward to prevent damage.

 S 014-010-N00
 CAUTION: MAKE SURE THE WIRE HARNESS DOES NOT TWIST OR BADLY BEND DURING
_______ THE REMOVAL OR THE INSTALLATION. THIS CAN CAUSE DAMAGE TO THE WIRE HARNESS.
 (8)  
Remove the fasteners that attach the wire bundle clamps to the brackets at Flanges A1, and B on the left side of the engine as follows:

 (a)  
Remove the screw (4), washer (5), and nut (6) that attach the wire bundle clamp to the bracket (27) at the 11:45 o'clock position.

 (b)  
Remove the screw (4), washer (5), and nut (6) that attach the wire bundles' clamps to the bracket (27) at the 11:30 o'clock position.

 (c)  
Remove the screw (4), washer (5), and nut (6) that attach the wire bundles' clamps to the bracket (15) at the 11:30 o'clock position.

 (d)  
Make sure the interphone wire harness is removed from the fan case.

 (e)  
Put the wire bundles rearward to prevent damage.

 (9)  
Remove the EEC PT2 flex hose (8) as follows:

 S 014-044-N00
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 72-33-01
 ALL  ú ú N03 Page 410 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 014-012-N00
 (10)
 Remove the EEC PAMB manifold (7) and the flex hose (9) as one component as follows:

 (a)  
Remove the bolt (1) and nut (2) that attach the flex hose clamp to the top of the split bracket (13) (Flange B).

 (b)  
Remove the bolt (1) and nut (2) that attach the manifold clamp to the split bracket (13) (Flange B).

 (c)  
Remove the bolt (1) and nut (2) that attach the manifold clamp to the bracket (12) (Flange B).

 (d)  
Remove the bolt (1) and nut (2) that attach the manifold clamp to the bracket (11) (Flange A1) at the 1:45 o'clock position.

 (e)  
Remove the bolt (1) and nut (2) that attach the manifold clamp to the top of the split bracket (10) (Flange A1) at the 1:30 o'clock position.

 (f)  
Disconnect the nut (3) for the (top) EEC PAMB flex hose from the tee at the strut.

 (g)  
Remove the manifold (7) with the attached flex hose (9).

 (h)  
Install the end caps.

 F.
Fan Case and Bracket Removal (Fig. 402).