(2)
24-22-00/201, Electrical Power - Control
(3)
29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
B.
Access
(1)
Location Zones 211/212 Control Cabin 311/312 Area Aft of Pressure Bulkhead to BS 1787.45
(2)
Access Panel
311AL Forward Stabilizer Compartment
C.
Prepare for the Removal
S 864-002
(1)
Supply electrical power (Ref 24-22-00).
S 864-003
(2)
Remove the pressure from the right and center hydraulic systems (Ref 29-11-00).
S 864-004
(3)
Put the RIGHT and CENTER STAB TRIM SHUTOFF valve switches on the control stand panel, P10, to the CUTOUT position.
S 864-005
(4)
Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11B19, 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)
11H20, STAB TRIM CONT R
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-41-13
ALL ú ú 01 Page 401 ú Jan 20/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
STABILIZER BALLSCREW ACTUATOR
SEE A
BALLSCREW
STABILIZER BALLSCREW ACTUATOR DRAIN LINE FOR THE MOTOR CASE
BRAKE RELEASE PORT
RETURN PORT
SECONDARY BRAKE
(2 LOCATIONS)
SEAL DRAIN LINE
BOLT WASHER WASHER NUT (4 LOCATIONS)
HYDRAULIC MOTOR (2 LOCATIONS)
STABILIZER BALLSCREW ACTUATOR
(FRONT VIEW)
(COMPONENTS FOR THE LEFT SECONDARY BRAKE ARE IDENTIFIED,
COMPONENTS FOR THE RIGHT BRAKE ARE EQUIVALENT)
A
Secondary Brake Installation Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-41-13
ALL ú ú 01 Page 402 ú Dec 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 014-006
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.
(5)
Open the access door for the forward stabilizer compartment, 311AL (Ref 06-42-00).
D.
Remove the Secondary Brake (Fig. 401)
S 034-007
(1)
Disconnect the hydraulic lines and the drain lines from the secondary brake.
S 034-008
(2)
Put plugs in the hydraulic lines and caps on the ports.
S 034-009
(3)
Remove the bolts that hold the secondary brake to the stabilizer ballscrew actuator.
S 024-010
(4)
Disengage the secondary brake from the brake differential shaft.
S 024-011
(5)
Remove the secondary brake.
TASK 27-41-13-424-012
3. Install the Secondary Brake
___________________________
A. Consumable Materials
(1)
D00153 Fluid - Hydraulic BMS 3-11
(2)
C00259 Primer BMS 10-11 Type 1
B.
References
(1)
06-42-00/201, Empennage Access Doors and Panels
(2)
24-22-00/201, Electrical Power - Control
(3)
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
(2)
Access Panel
311AL Forward Stabilizer Compartment
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 4(76)
