757 AMM 飞机维护手册起落架 CHAPTER 32 - LANDING GEAR 1(91)_航空信息_民用航空_通用航空

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1. General_______
A. This procedure contains four tasks. The first task removes the upper side strut for the main landing gear. The second task installs the upper side strut for the main landing gear. The third task removes the lower side strut for the main landing gear. The fourth task installs the lower side strut for the main landing gear.
TASK 32-11-05-004-001
2. Remove the Upper Side Strut for the Main Landing Gear (Fig. 401)_____________________________________________________
A. Equipment
(1)
Drag Strut and Side Strut Sling Equipment, MLG
(components of A32008-52)

(a)
Adapter - A32008-6

(b)
Clamp - A32008-38

(2)
Thread Protector Set, MLG - B32011-14

(3)
Crowfoot Wrench - F70312-38

B.
References

(1)
AMM 07-11-01/201, Jacking Airplane

(2)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System

(3)
AMM 32-00-15/201, Landing Gear Door Locks

(4)
AMM 32-00-20/201, Landing Gear Downlocks

(5)
AMM 32-11-22/401, Main Gear Downlock Springs

C.
Access

(1)
Location Zones
731/741 Main Landing Gear (MLG)
732/742 MLG Body Doors
733/743 MLG Oleo Doors

D.
Prepare for the Removal of the Upper Side Strut for the Main Landing Gear.

S 494-002
(1) Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).

32-11-05
ALL ú ú 01 Page 401 ú May 28/99

A

757
MAINTENANCE MANUAL

B
DOWNLOCK ASSEMBLY B A A UPPER SIDE STRUT B DOWNLOCK ASSEMBLY 1 UPPER SIDE STRUT APEX PIN
SHOCK STRUT B LOWER SIDE STRUT SPRING RETAINER LOWER SIDE STRUT
DOWNLOCK ASSEMBLY UPPER SIDE STRUT
INBD 1PIN NUT WASHER TANG
SIDE STRUT A-A BOLT ANTIROTATION

SIDE STRUT SWIVEL
NUT 1 WASHER TANG
B-B BOLT ANTIROTATION

1 INSTALL THE PIN WITH THE HEAD UP
Main Landing Gear Upper and Lower Side Struts Installation Figure 401

32-11-05
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A

757 MAINTENANCE MANUAL
S 494-042
WARNING: USE THE PROCEDURE IN AMM/32-00-15/201 TO INSTALL THE DOOR
_______ LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).

S 864-004

(3)
Remove the pressure from the left hydraulic system
(AMM 29-11-00/201).

S 584-005

(4)
Lift the airplane (AMM 07-11-01/201).

E.
Remove the Upper Side Strut for the Main Landing Gear.

S 864-039
(1)
Hold the lower side strut and downlock assembly to prevent movement of these parts.

S 014-006

(2)
Remove the downlock springs (Ref 32-11-22).

S 494-007

(3)
Install the sling equipment. Use the instructions supplied with the tool.

S 034-008

(4)
Remove the nut with the crowfoot wrench.