(2)
20-10-24/201, Rig Pins
(3)
24-22-00/201, Electrical Power - Control
(4)
29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
C.
Access
(1)
Location Zones 211/212 Control Cabin 311/312 Area Aft of Pressure Bulkhead to BS 1787.45 313/314 Stabilizer Center Section Compartment
(2)
Access Panels 311AL Forward Stabilizer Compartment 313AL Elevator Neutral Shift and Override Mechanism
D.
Prepare for the Removal
(1)
Supply electrical power (Ref 24-22-00).
S 864-002
S 014-003
WARNING: STAY OFF THE SERVICE ACCESS DOOR, 311AL AND THE ELEVATOR
_______ CONTROL ACCESS DOOR, 313AL. YOUR WEIGHT CAN RELEASE THE SPRING-LOADED LATCHES ON THE DOOR. IF YOU FALL THROUGH THE DOOR, INJURIES CAN OCCUR.
(2) Open the access door for the forward stabilizer compartment, 311AL (Ref 06-42-00).
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A
757
MAINTENANCE MANUAL
STABILIZER BALLSCREW ACTUATOR
A
1 TO USE THE GAGE ASSEMBLY TO SET DIMENSION B TO
15.89 |0.01 INCHES (403.60 |0.25 mm),
DO THE STEPS THAT FOLLOW:
1.
PUT THE GAGE ASSEMBLY AGAINST THE BALLSCREW
SO THAT THE BOLT HEADS ARE ON THE SHOULDERS
OF THE UPPER AND LOWER STOPS
2.
MAKE SURE THAT THE FEELER BLADE CAN BE PUT
BETWEEN THE BOLT HEAD OF THE GAGE ASSEMBLY AND
ON THE SHOULDER OF THE UPPER STOP
(THIS WILL PREVENT PRELOADING)
Measurement of Stabilizer Dimension B
Figure 401
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A
757 MAINTENANCE MANUAL
CAPTAIN'S AFT QUADRANT
FIRST OFFICER'S
AFT QUADRANT
ELEVATOR AFT
MECHANISM
SEE A
A
FWD
RIG PIN LOCATION E/ST7
ELEVATOR AFT MECHANISM
A
POGO ROD FOR THE NEUTRAL SHIFT MECHANISM (TO STABILIZER)
NEUTRAL SHIFT
B
CONTROL RODS (2 LOCATIONS)
TORQUE
BOX FOR
THE AFT
MECHANISM
FWD
INBD
B
NEUTRAL SHIFT
AND OVERRIDEFEEL AND CENTERING UNIT MECHANISM
SEE B
A-A Elevator Neutral Shift and Override Mechanism Installation Figure 402 (Sheet 1)
NEUTRAL SHIFT AND OVERRIDE MECHANISM
A
ELEVATOR FEEL AND CENTERING UNIT
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A
757
MAINTENANCE MANUAL
NEUTRAL SHIFT AND OVERRIDE MECHANISM
B Elevator Neutral Shift and Override Mechanism Installation Figure 402 (Sheet 2)
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A
757
MAINTENANCE MANUAL
S 864-004
WARNING:_______ KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER,
FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED
SURFACES. INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR
WHEN HYDRAULIC POWER IS SUPPLIED.
(3)
Pressurize the right and center hydraulic systems (Ref 29-11-00).
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