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757 MAINTENANCE MANUAL
MAIN GEAR AXLE - INSPECTION/CHECK
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1. General_______
A. This procedure only has an illustration, and a wear limit table which shows the data for wear limits. There are no procedures for access, removal, or installation of the parts. Refer to the Main Gear Truck Assembly - Removal/Installation for the procedures to do these tasks.
TASK 32-11-26-206-001
2. Wear Limits Inspection/Check for the Axles of the Main Landing Gear___________________________________________________________________
A. References
(1)
AMM 32-00-20/201, Landing Gear Downlocks
(2)
AMM 32-11-17/401, Main Gear Truck Assembly
(3)
AMM 32-41-10/401, Main Gear Wheel Brakes
(4)
AMM 32-45-01/401, Main Gear Wheel and Tire
B.
Prepare for the Wear Limits Check
S 496-004
(1)
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 036-005
(2)
Remove the wheel and tire from the main landing gear (AMM 32-45-01/401).
S 036-006
(3)
Remove the brake for the main landing gear (AMM 32-41-10/401) to inspect the brake sleeve area.
C.
Wear Limits for the Axle
S 226-007
(1)
Refer to Fig. 601 for the inspection points and Fig. 602 for the wear limit table.
D.
Put the Airplane Back to Its Usual Condition
(1)
Install the brake for the main landing gear (AMM 32-41-10/401).
S 436-002
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757
MAINTENANCE MANUAL
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FWD BRAKE A WHEEL AND TIRE BEARING/AXLE 2. INBOARD WHEEL BRAKE SLEEVE BUSHING/AXLE 3. OUTBOARD BRAKE 4. INBOARD BRAKE BRAKE SLEEVE BUSHING/AXLE
BEARING/AXLE WHEEL 1. OUTBOARD WHEEL ASSEMBLY AXLE BRAKE SLEEVE BRAKE
AXLE
TIRE
A-A
Main Landing Gear Axle Inspection Figure 601
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757
MAINTENANCE MANUAL
CMM FOR THE REPAIR DATA.
Main Landing Gear Axle Wear Table
Figure 602
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757 MAINTENANCE MANUAL
S 436-003
(2) Install the wheel and tires on the main landing gear (AMM 32-45-01/401).
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757 MAINTENANCE MANUAL
MAIN GEAR DOORS - DESCRIPTION AND OPERATION
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1. General_______
A. The main gear doors consist of a main gear door, a strut door, and a trunnion fairing door. These doors cover the retracted main gear during flight and fair into the contour of the airplane body to reduce aerodynamic drag.
2. Component Details_________________
A. Main Gear Door (Fig. 1)
______________
(1)
The main gear door is the largest of the three doors and is the only one which is hydraulically operated. The door is a composite structure which is strengthened by a center hinge support beam, which also provides attachment for the door actuator. The door is mounted on three hinges attached to the wheel well keel beam. When the gear is either fully retracted or fully extended, the door closes to cover the wheel well area. During normal operation, the door is open only when the gear is in transit. During alternate extension, the door opens and remains open. The main gear door can also be opened by ground release for access to the wheel well for maintenance.
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本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 1(142)
