27-31-06
ALL ú ú 01 Page 405 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 044-014
WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPOILERS OR MOVE ALL
_______ PERSONS AND EQUIPMENT AWAY FROM THE SPOILERS. THE SPOILERS CAN RETRACT QUICKLY AND CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
(13)
Do the deactivation procedure for the spoilers (Ref 27-61-00) or move all persons and equipment away from the spoilers.
S 864-015
(14)
Remove electrical power (Ref 24-22-00).
E.
Remove the PCA Input Linkage (Fig. 401)
NOTE: The steps that follow apply to the outboard, center, and inboard
____
PCA linkages unless specified differently.
S 034-016
(1)
On the center and outboard PCA linkages only, disconnect the centering spring from the crank assembly (View C and D).
S 034-017
(2)
Disconnect the two ends of the pogo rod and remove the pogo rod.
NOTE: Do not change the adjustment of the pogo rod while it is
____ disconnected. If you do, you will have to adjust the elevator system.
S 034-018
(3)
Disconnect the interconnect rods from the crank assembly.
S 034-019
(4)
On the inboard PCA linkage only, disconnect the PCA input rod from the crank assembly (View B).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-31-06
ALL ú ú 01 Page 406 ú Dec 20/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 034-020
(5)
Remove the fasteners, bearings, and bushings that connect the crank assembly to the swing link assembly (View A-A, B-B, and C-C).
S 024-021
(6)
Remove the crank assembly.
S 034-022
(7)
Remove the fasteners, bearings, and bushings that connect the swing link assembly to the support brackets (View A-A, B-B, and C-C).
S 024-023
(8)
Remove the swing link assembly.
TASK 27-31-06-424-024
3. Install the PCA Input Linkage
_____________________________
A. Consumable Materials
(1)
D00633 Grease, Corrosion Preventive - BMS 3-33 (recommended)
(2)
D00015 Grease, Corrosion Preventive - BMS 3-24 (optional)
B.
References
(1)
06-42-00/201, Empennage Access Doors and Panels
(2)
27-31-00/501, Elevator Control System
(3)
27-61-00/201, Spoiler Speedbrake Control System
C.
Access
(1)
Location Zones 211/212 Control Cabin 335/345 Horizontal Stabilizer, Rear Spar to Trailing Edge
(2)
Access Panels
335DB/345DB Elevator PCAs
D.
Install the PCA Input Linkage (Fig. 401)
NOTE: Apply a layer of grease on all of the bolts, nuts, bearings and
____
bushings before you install them.
S 424-025
(1)
Install the fasteners, bearings and bushings to connect the swing link assembly to the support brackets (View A-A, B-B, and C-C).
S 424-026
(2)
Install the fasteners, bearings and bushings to connect the crank assembly to the swing link assembly (View A-A, B-B, and C-C).
(3)
Connect the interconnect rods to the crank assembly.
S 434-027
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