BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
THRUST REVERSER FAIRING - REMOVAL/INSTALLATION
1. General
A. This section covers the removal and installation procedures for the deflector door fairing, the tailpipe fairings and the thrust reverser fixed fairing. The deflector door fairing is attached to the upper deflector door only and the fixed fairing is attached to the tailpipe extension. The tailpipe fairings are connected to the fixed fairing with three hinges.
2. Removal/Installation Deflector Door Fairing
A. Equipment and Materials
(1)
Antiseize Compound - MIL-L-25681
(2)
Thrust Reverser Isolation Valve Ground Lock Cap and Pin Assembly - F80109-3 or F80109-9
(3)
Thrust Reverser Deflector Door Fairing Spacer Gage - F80215-1
B. Remove Deflector Door Fairing
(1)
Deactivate thrust reverser hydraulic system by installing ground locks on both thrust reverser isolation valves.
WARNING: SERIOUS INJURY CAN RESULT TO PERSONNEL IF GROUND LOCKS ARE NOT PROPERLY INSTALLED. ATTEMPT TO DEPLOY THRUST REVERSERS AFTER INSTALLING GROUND LOCKS. REVERSERS SHOULD NOT DEPLOY.
(2)
Remove screws attaching access panel to fairing and remove panel (Fig. 401).
(3)
Remove nuts (1, detail D), washers (2), serrated plates (3) and spacers (4) attaching door fairing to upper deflector door.
(4)
Remove deflector door fairing.
(5)
If required to remove studs (5), proceed as follows:
(a) Reactivate thrust reverser hydraulic system by removing ground locks from both thrust reverser isolation valves.
506
May 01/03 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 78-32-162 Page 401
F81077 H27606
Deflector Door Fairing Installation 500
78-32-162 Figure 401 (Sheet 1) May 01/74
Page 402
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
514 Deflector Door Fairing Installation
Nov 01/74 Figure 401 (Sheet 2) 78-32-162
Page 403
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
(b)
Place deflector doors in the reverse thrust position (Ref. 78-32-01).
WARNING: PERSONNEL MUST STAY CLEAR OF THRUST REVERSER WHEN IT IS ACTUATED TO PREVENT BEING CAUGHT BY ROTATING DEFLECTOR DOORS.
(c)
Deactivate thrust reverser hydraulic system by installing ground locks on both thrust reverser isolation valves.
WARNING: SERIOUS INJURY CAN RESULT TO PERSONNEL IF GROUND LOCKS ARE NOT PROPERLY INSTALLED. ATTEMPT TO RETURN THRUST REVERSERS TO FORWARD THRUST AFTER INSTALLING GROUND LOCKS. REVERSERS MUST NOT MOVE HYDRAULICALLY.
(d)
Remove nuts (10), screws (6), washers (7 and 9), spacers (8) and studs (5) from deflector door.
C. Install Deflector Door Fairing
(1)
Apply Antiseize Compound - MIL-L-25681 to all threaded surfaces and nut and washer bearing surfaces.
(2)
If studs (5, Detail D, Fig. 401), have been removed from deflector door, install each stud as follows:
(a)
Place deflector doors in the reverse thrust position (Ref. 78-32-01).
WARNING: PERSONNEL MUST STAY CLEAR OF THRUST REVERSER WHEN IT IS ACTUATED TO PREVENT BEING CAUGHT BY ROTATING DEFLECTOR DOORS.
(b)
Deactivate thrust reverser hydraulic system by installing ground locks on both thrust reverser isolation valves.
WARNING: SERIOUS INJURY CAN RESULT TO PERSONNEL IF GROUND LOCKS ARE NOT PROPERLY INSTALLED. ATTEMPT TO RETURN THRUST REVERSERS TO FORWARD THRUST AFTER INSTALLING GROUND LOCKS. REVERSERS MUST NOT MOVE HYDRAULICALLY.
(c)
Install spacer (8) using screw (6) and washer (7).
(d)
Install stud (5) using self-aligning nut (10) and washer (9); tighten nut to 65-70 pound-inches.
(e)
Reactivate thrust reverser hydraulic system by removing ground locks from both thrust reverser isolation valves.
(f)
Place deflector doors in the forward thrust position per 78-32-01.
WARNING: PERSONNEL MUST STAY CLEAR OF THRUST REVERSER WHEN IT IS ACTUATED TO PREVENT BEING CAUGHT BY ROTATING DEFLECTOR DOORS.
(g)
Deactivate thrust reverser hydraulic system by installing ground locks on both thrust reverser isolation valves.
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78-32-162 Page 404 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. May 01/74
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