NOTE: Each deflector door has four (4) adjustable stops which must be positioned during rigging operation. Figure 501 shows location of adjustable devices.
(2)
Adjust idler link stops.
(a) Adjust to provide a maximum interference between plates and idler links of 0.003 to
0.005 inch. The gap between the nozzle and deflector door with bumpers installed, should be a minimum of 0.10 inch.
(3)
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 - Unpublished Work - See title page for details. 78-32-112 Page 501
H29345
Deflector Door Adjustment 500
78-32-112 Figure 501 Feb 15/69
Page 502
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
(4)
Place deflector doors in the reverse thrust position per 78-32-01.
WARNING: PERSONNEL MUST STAY CLEAR OF THE THRUST REVERSER WHEN IT IS ACTUATED TO PREVENT BEING CAUGHT BY ROTATING DEFLECTOR DOORS.
(5)
Adjust number of washers under door stops to obtain specified fair as indicated by step C.
(6)
Place deflector doors in the forward thrust position per 78-32-01.
WARNING: PERSONNEL MUST STAY CLEAR OF THE THRUST REVERSER WHEN IT IS ACTUATED TO PREVENT BEING CAUGHT BY ROTATING DEFLECTOR DOORS.
E. Recheck door fair with thrust reverser assembly to ensure being within specified limits.
F. Check thrust reverser linkage adjustment per 78-32-201.
G. Position actuator housing fairing on thrust reverser and attach with screws.
500
Oct 20/87 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 78-32-112 Page 503
DEFLECTOR DOOR - APPROVED REPAIRS
1. General
A. The studs and spacers mounted on the deflector doors are retained by a nutplate sandwiched between outer and inner deflector door skins. As the nutplate is inaccessible, a special method of repair is required to replace the nutplate without removing the door skins.
2. Repair Deflector Door
A. Enlarge hole in deflector door skin to .343/.350-inch diameter. Enlarge the two rivet holes to .128 inch. (See detail A, figure 801.)
B. Rework a NAS680C3 nutplate by enlarging rivet holes to .128 inch.
C. Attach a piece of safety wire to nutplate and insert nutplate through hole; align rivet holes and install two CR2562S-4 rivets.
NOTE: When a CFA18-3-14 screw is installed on a lower door that has been repaired using the above method, screw will protrude .037 inch above skin line. This is acceptable on a repair installation.
500
Sep 15/70 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 78-32-112 Page 801
H27591
Deflector Door Nutplate Replacement 518
78-32-112 Figure 801 Nov 15/71
Page 802
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
THRUST REVERSER ACTUATORS - REMOVAL/INSTALLATION
1. Equipment and Materials
A. Lubricant -MIL-G-81322
B. Thrust Reverser Isolation Valve Ground Lock Cap and Pin Assembly - F80109-3 or F80109-9
2. Prepare for Removal
A. Place deflector doors in the reverse thrust position. Refer to 78-32-01.
WARNING: PERSONNEL MUST STAY CLEAR OF THE 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. Remove screws attaching actuator housing fairing to thrust reverser and remove fairing.
D. Remove bolts and washers attaching upper panel to shroud assembly box.
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