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A
757 MAINTENANCE MANUAL
(h) 11H28, FLT CONT SHUTOFF TAIL RIGHT
S 013-022
(8) Open access panels 335DB and 345DB (AMM 06-42-00/201).
S 493-008
WARNING: INSTALL BOTH ELEVATOR LOCK ASSEMBLIES (PCA AND PCA LINKAGE LOCK
_______ ASSEMBLIES). INSTALL THE PCA LINKAGE LOCK ASSEMBLY BEFORE THE PCA LOCK ASSEMBLY. USE A ROPE TO HOLD THE ELEVATOR CONTROL COLUMN IN THE FULL AFT POSITION WHILE THE LOCK ASSEMBLIES ARE INSTALLED. THESE PRECAUTIONS WILL PREVENT INJURY TO PERSONS AND DAMAGE TO THE AIRPLANE.
(9) Manually move the elevator up and install elevator PCA lockout equipment as follows (Fig. 303).
ú NOTE:____A force of approximately 60 pounds (267 newtons) on the ú elevator trailing edge is necessary to lift the elevator. ú
(a)
Install the PCA linkage lock assembly as shown in Detail B.
(b)
Install the PCA lock assembly.
TASK 12-21-04-643-011
3. Lubricate the Elevator Power Control Actuator (PCA)
___________________________________________________
A. Consumable Materials ú (1) D00633 Grease, Corrosion Preventive - BMS 3-33 (Preferred) ú (2) D00015 Grease, Corrosion Preventive - BMS 3-24 (Optional) ú (3) D00013 Grease - MIL-PRF-23827 (Optional)
B. Access
(1) Location Zones 335 Left Horizontal Stab - Rear Spar to Trailing Edge 345 Right Horizontal Stab - Rear Spar to Trailing Edge
C. Lubricate the Elevator Power Control Actuator (PCA) ú ú S 643-016 ú (1) Do this task: Prepare to Lubricate the Elevator Control System.
S 643-009
(2) Lubricate the elevator PCA (Fig. 301).
TASK 12-21-04-643-012
4. Lubricate the Elevator Hinge and Power Control Actuator (PCA) Input
___________________________________________________________________ Linkage
_______
A. Consumable Materials ú (1) D00633 Grease, Corrosion Preventive - BMS 3-33 (Preferred)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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MAINTENANCE MANUAL
ú (2) D00015 Grease, Corrosion Preventive - BMS 3-24 (Optional) ú (3) D00013 Grease - MIL-PRF-23827 (Optional)
B. Access
(1) Location Zones 335 Left Horizontal Stab - Rear Spar to Trailing Edge 345 Right Horizontal Stab - Rear Spar to Trailing Edge
C. Lubricate the Elevator Hinge and Power Control Actuator (PCA) Input
Linkage ú ú S 643-017 ú (1) Do this task: Prepare to Lubricate the Elevator Control System.
S 643-013
(2)
Lubricate the elevator hinge (Fig. 301).
S 643-015
(3)
Lubricate the elevator PCA input linkage (Fig. 302).
S 013-020
(4)
Manually move the elevator up and remove the elevator PCA lockout equipment.
ú NOTE:____A force of approximately 60 pounds (267 newtons) on the ú elevator trailing edge is necessary to lift the elevator. ú
(a)
Remove the PCA lock assembly.
(b)
Remove the PCA linkage lock assembly.
S 013-023
(5)
Close access panels 335DB and 345DB (AMM 06-42-00/201).
S 863-019
(6)
Close these circuit breakers on overhead panel, P11:
(a)
11B19, STAB TRIM ALT (IF INSTALLED)
(b)
11C12, STAB TRIM SHUTOFF RIGHT
(c)
11C13, STAB TRIM SHUTOFF LEFT
(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
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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ALL ú ú 01.1 Page 304 ú Sep 28/02
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