PIN BUSHING OD ID 1.8115 1.4355 1.8125 1.4365 1.8170 1.4325 X X
PIN OD 1.8085 1.8095 1.8055 X
THE PART IS REPAIRABLE; REFER TO THE COMPONENT MAINTENANCE MANUAL FOR THE REPAIR INSTRUCTIONS
Main Landing Gear Downlock Assembly Wear Limits
Figure 601 (Sheet 2)
32-11-12
ALL ú ú 01 Page 603 ú Jun 20/95
A
757 MAINTENANCE MANUAL
MAIN GEAR DOWNLOCK SPINDLE - REMOVAL/INSTALLATION
_________________________________________________
1. General
_______
A. This procedure contains two tasks. The first task removes the downlock spindle on the main landing gear. The second task installs the downlock spindle on the main landing gear.
TASK 32-11-15-004-001
2. Remove the Downlock Spindle for the Main Landing Gear (Fig. 401)
_____________________________________________________
A. Equipment
(1)
Door Lock, Landing Gear - (AMM 32-00-15/201)
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
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 Downlock Spindle
S 494-002
(1) Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 494-016
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 and reservoir (AMM 29-11-00/201).
(4)
Lift the airplane (AMM 07-11-01/201).
S 584-005
32-11-15
ALL ú ú 01 Page 401 ú May 28/99
A
757
MAINTENANCE MANUAL
A
A
UPPER BOLT
DOWNLOCK ASSEMBLY
UPPER SIDE STRUT
LOWER SIDE
STRUT
SHOCK
STRUT
INBD
0.003-0.005 INCH CLEARANCE UPPER SUPPORT BOLT (2 LOCATIONS) ANTIROTATION NUT BRACKET
BOLT ANTIROTATION
DOWNLOCK ACTUATOR
NUT DOWNLOCK SPINDLE
WASHER SPLINED A-A CLEVIS PIN
Main Gear Downlock Spindle Installation
Figure 401
32-11-15
ALL ú ú 01 Page 402 ú May 28/99
A
757 MAINTENANCE MANUAL
E. Remove the Downlock Spindle.
S 844-006
(1)
Hold the downlock assembly to prevent movement.
S 014-007
(2)
Remove the clevis pin to disconnect the head end of the downlock actuator from the upper downlock link (View A-A).
S 014-008
(3)
Remove the upper bolt to disconnect the upper downlock link from the downlock spindle. Tie the upper link and the actuator out of the area.
S 014-009
(4)
Remove the bolts to disconnect the antirotation bracket from the downlock spindle (View A-A).
S 014-010
(5) 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 1(107)
