B.
References
(1)
06-42-00/201, Empennage Access Doors and Panels
(2)
27-02-00/601, Flight Controls Surfaces
(3)
27-31-05/601, Elevator Power Control Actuator
C.
Access
(1)
Location Zones 330 Left Horizontal Stabilizer and Elevator 340 Right Horizontal Stabilizer and Elevator
(2)
Access Panels 335AB/335BB/335DB/ Left Horizontal Stabilizer - Rear Spar to 335EB/335FB/335GB Trailing Edge 345AB/345BB/345DB/ Right Horizontal Stabilizer - Rear Spar to 345EB/345FB/345GB Trailing Edge
D.
Prepare for Removal
S 864-005
(1)
Make sure that the elevator surface freeplay is in permitted limits (Ref 27-02-00).
S 224-025
(2)
If freeplay is more than the limit, examine the elevator PCA and reaction link rod end bearings for unusual wear (Ref 27-31-05).
S 864-006
(3)
Put the STAB TRIM SHUTOFF RIGHT and CENTER switches on the control stand panel, P10, to the CUTOUT position.
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27-31-01
ALL ú ú 01 Page 401 ú Sep 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 864-007
(4)
Put the FLT CONTROL SHUTOFF R, L, and C switches on the sidewall panel, P61, to the OFF position.
S 864-008
(5)
Open these circuit breakers on overhead panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11B19 or 11A19, STAB TRIM ALT (IF INSTALLED)
(b)
11C12, STAB TRIM SHUTOFF LEFT
(c)
11C13, STAB TRIM SHUTOFF RIGHT
(d)
11H11 or 11C05, STAB TRIM CONT L
(e)
11H17, FLT CONT SHUTOFF TAIL LEFT
(f)
11H18, FLT CONT SHUTOFF TAIL CTR
(g)
11H20, STAB TRIM CONT R
(h)
11H28, FLT CONT SHUTOFF TAIL RIGHT
(i)
11J13, ELEVATOR POS LEFT
(j)
11J21 or 11J22, ELEV POS RIGHT
S 014-027
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM THE AREA BELOW THE
_______ ELEVATORS. OBJECTS CAN FALL AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(6)
Remove the access panels that follow (Ref 06-42-00):
(a)
335AB, 335BB, 335DB, 335EB, 335FB, and 335GB for left elevator.
(b)
345AB, 345BB, 345DB, 345EB, 345FB, and 345GB for right elevator.
S 494-002
(7)
Do these steps to install the sling to the elevator (Fig. 401):
(a)
Remove the plug bolts from the elevator upper skin panel and save the plug bolts.
(b)
Install the forward inboard and outboard hoist ring assemblies.
(c)
Install the aft clamp assembly.
(d)
Attach the elevator sling shackle to the hoist equipment.
(e)
Apply sufficient lift to the elevator sling such that the elevator hinge bolts can be removed.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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ALL ú ú 02 Page 402 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
E. Remove the Elevator (Fig. 402)
S 034-003
(1)
Remove the elevator connecting parts as follows:
(a)
Remove the nut, washers and bolt (5, 4 and 2) that connects the inboard bonding jumper (3) to the elevator upper skin panel (Fig. 401).
(b)
Remove the nut, washer and bolt (10, 9 and 8) that connects the outboard bonding jumper to the elevator spar (Fig. 401).
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