S 824-058
(12)
Align the upper drag strut (1), the lower drag strut (10), and the lock link (3) (View A-A).
(a)
Install two washers (4) between the upper and lower drag struts, both washers go on the same side (side opposite of bearing flange).
S 424-027
(13)
Install the apex pin (2), the washer (9) and the nut (8).
(a)
Tighten to 70-80 pound-feet. Loosen to the nearest lock position and install the lockbolts.
G.
Put the Airplane Back to Its Usual Condition
(1)
Remove the drag strut hoist and the boom hoist.
S 094-028
32-21-04
ALL ú ú 01 Page 408 ú May 28/99
A
757 MAINTENANCE MANUAL
S 414-029
(2)
Install the lock springs for the nose landing gear
(AMM 32-21-15/401).
S 824-030
(3)
Adjust the position target for the nose landing gear (AMM 32-61-03/201).
S 714-031
(4)
Do the extension and retraction test for the nose landing gear (AMM 32-34-00/501).
S 584-032
(5)
Lower the nose of the airplane and remove the jack
(AMM 07-11-02/201).
S 644-033
(6)
Lubricate the strut at the grease fittings.
S 094-067
WARNING:_______OBEY THE REMOVAL PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(7) Remove the door locks and close the doors (AMM 32-00-15/201).
TASK 32-21-04-004-059
4. Remove the Lower Drag Strut for the Nose Landing Gear (Fig. 401)._____________________________________________________
A. Equipment
(1)
Boom Hoist - A20001-79
(2)
Nose Gear Drag Strut Hoist - B32004-1
B.
References
(1)
07-11-02/201, Jacking Airplane Nose
(2)
29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(3)
32-00-15/201, Landing Gear Door Locks
(4)
32-00-20/201, Landing Gear Downlocks
(5)
32-21-15/401, Nose Gear Lock Spring
(6)
32-51-13/401, Nose Wheel Steering Lower Pulley Support Bracket
(7)
33-42-04/401, Nose Gear Landing and Runway Turnoff Lights, P62, and P63 Panels
C.
Access
(1)
Location Zones
119/120 Main Equipment Center
711 Nose Landing Gear (NLG)
713/714 Forward NLG Door
715/716 Aft NLG Door
730/740 Main Landing Gear and Doors
32-21-04
ALL ú ú 01 Page 409 ú Sep 28/01
A
757 MAINTENANCE MANUAL
(2)
Access Panel
119BL
D.
Prepare for the Removal of the Lower Drag Strut
S 494-035
(1) Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 494-068
WARNING:_______OBEY THE INSTALLATION PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(2)
Open the door for the nose landing gear and install the door locks (AMM 32-00-15/201).
S 864-037
(3)
Remove the pressure from the left hydraulic system
(AMM 29-11-00/201).
S 584-038
(4) 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(185)
