(d)
R1B - P/N B20003-26
B.
References
(1)
AMM 06-41-00/201, Access Doors and Panels
(2)
AMM 20-10-24/201, Rig Pins
(3)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(4)
AMM 32-00-20/201, Landing Gear Downlocks
C.
Access
(1)
Location Zones
211/212 Control Cabin
113/114 Area forward of NLG wheel well
821 Forward Cargo Compartment
(2)
Access Panel 113AL Flight/Landing Gear/Engine Control Components
D.
Prepare for Removal
S 494-002
(1)
Make sure that the landing gear downlocks are installed (AMM 32-00-20/201).
(2)
Put chocks on the wheels.
S 494-003
32-41-01
ALL ú ú 01 Page 401 ú May 28/99
A
757
MAINTENANCE MANUAL
LGB4B
LGB4A
TURNBUCKLE
(2 LOCATIONS)
LGB2B SEE A
LGB2A FIRST OFFICER'S RUDDER PEDALS (REF)
FORWARD ACCESS TURNBUCKLEDOOR SEE A (2 LOCATIONS)(113AL) CAPTAIN'SR1B R1A
RIG RUDDER PEDALS (REF)
R1G PIN PIN
BRAKE/RUDDER
PEDAL HOUSING
BRAKE/RUDDER PEDAL HOUSING
UPPER
LGB4B B
BEARING
HOUSING
LGB4A
UPPER
B
BEARING BRAKE BUS
HOUSING BELLCRANKINPUT ROD ACCESS
A
ATTACH BOLT COVER
(2 LOCATIONS)
LGB2B BRAKE BUS LGB1
RODS RIG PIN BELLCRANK HOLE A LGB2A
BRAKE BUS INPUT ROD ATTACH BOLTS (2 LOCATIONS)
BRAKE BUS ROD ATTACH BOLT (2 LOCATIONS, LOWER BEARING EACH BUS ROD) HOUSING
A
(SEE A-A)
Brake Pedal Bus Mechanism Installation
Figure 401 (Sheet 1)
32-41-01
ALL ú ú 03 Page 402 ú May 28/99
A
757
MAINTENANCE MANUAL
BRAKE BUS ROD
BRAKE BUS ROD
Brake Pedal Bus Mechanism Installation
Figure 401 (Sheet 2)
32-41-01
ALL ú ú 04 Page 403 ú May 28/99
A
757 MAINTENANCE MANUAL
S 864-004
(3)
Release the parking brake and attach a DO-NOT-OPERATE tag to the parking brake handle.
S 864-005
(4)
Remove the pressure from the right and left hydraulic systems and reservoirs (AMM 29-11-00/201).
S 864-006
(5)
Push in the two captain's pedals fully seven times to remove hydraulic pressure from the accumulator.
NOTE: Stop five seconds or more between each time that you apply
____
the brake.
S 014-007
(6)
Get access to the brake-pedal bus mechanism through the forward access door 113AL (AMM 06-41-00/201).
S 014-008
(7)
Remove the access covers from the aft and bottom sides of the rudder pedal housing in the forward equipment bay.
S 484-009
(8)
Put the two rudder pedals in the neutral position and install rig pin(s) R1A or R1B as necessary (Fig. 401).
S 484-010
(9)
Install hydraulic brake system rig pin(s) LGB1 or LGB2 to keep the brake pedals in the OFF position.
NOTE: Make sure that the rig pin is installed through the
____ two pedal arms and the two sides of the pedal support housing.
E. Procedure to Remove the Brake-Pedal Bus Mechanism
S 034-048
(1) If you will remove the Captain's bus mechanism, loosen the
turnbuckles on cables LGB2A and LGB2B.
32-41-01
ALL ú ú 03 Page 404 ú May 28/99
A
757 MAINTENANCE MANUAL
S 034-037
(2)
If you will remove the First Officer's bus mechanism, loosen the turnbuckles on cables LGB4A and LGB4B.
S 034-036
(3)
Disconnect the cables from the quadrants, and attach identification tags to the cables.
S 024-039
(4)
Disconnect the two pushrods and the two bus rods from the bus cranks on the brake bus mechanism (Detail A and Section A-A or Section B-B).
S 024-013
(5)
Remove the bolts (four locations) that attach the top bearing housing to the brake/rudder pedal housing.
S 024-014
(6)
Remove the bolts (three locations) that attach the lower bearing housing to the rudder pedal housing while you hold the bus mechanism.
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 起落架 CHAPTER 32 - LANDING GEAR 2(145)
