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757 MAINTENANCE MANUAL
 D. Remove the Lock Actuator
 S 034-005
 (1)  
Disconnect the hydraulic lines from the actuator.

 S 494-006

 (2)  
Install caps on the ports and the hoses. Move the lines out of the work area.

 S 034-007

 (3)  
Remove the bolt (1) to disconnect the upper end of the lock actuator (6) from the lock link (Section A-A).

 S 024-008

 (4)  
Remove the nut (5) from the end of the swivel pin. Pull the pin from the lower end of the acuator to disconnect the actuator (6) from the aft wall fittings.

 TASK 32-34-02-404-009
 3. Install the Lock Actuator for the Nose Landing Gear (Fig. 401)
___________________________________________________
 A. References
 (1)  
AMM 12-12-01/301, Hydraulic Systems

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

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

 (4)  
AMM 32-34-00/501, Nose Gear Extension and
 Retraction

 B.
Consumable Materials

 (1)  
D00633 Grease - BMS3-33 (Preferred)

 (2)  
D00013 Grease - MIL-G-23827 (Alternative)

 (3)  
D00153 Fluid, Hydraulic - BMS 3-11, Type IV

 C.
Parts

 ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 1 | Bolt | 32-21-00 | 01 | 105 | | | 2 | Tang Washer | | | 110 | | | 3 | Nut | | | 115 | | | 4 | Washer | | | 120 | | | 5 | Nut | | | 125 | | | 6 | Lock Actuator | | | 130 | 2......…........…...................................…...........….....…........1
 D. Access
 (1)  Location Zones
 115 Nose Landing Gear Wheel Well (Left)
 116 Nose Landing Gear Wheel Well (Right)
 711 Nose Landing Gear

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757 MAINTENANCE MANUAL
 E. Procedure
 S 644-010
 (1)  
Apply grease to the nuts, bolts, washers, and bushing surfaces before you install them.

 S 614-011

 (2)  
Fill the actuator with hydraulic fluid.

 S 494-012

 (3)  
Install caps on the ports.

 S 984-013

 (4)  
Put the actuator in position (6) between the lock link and the fitting on the aft wall of the wheel well.

 S 434-014
 CAUTION: MAKE SURE THERE IS NO DUST AND GRIT ON THE SWIVEL PIN SHAFT.
_______ DUST AND GRIT CAN CAUSE DAMAGE TO THE SEALS AND CAUSE ACTUATOR LEAKS.
 (5)  
Put the swivel pin through the fittings on the aft wall of the wheel well and the lower end of the actuator (6). Make sure the slot is aligned with the pin. Install the washer (4) and nut (5).

 S 434-015

 (6)  
Install the bolt (1), washer (2), and nut (3) to connect the actuator to the lock link.

 S 644-016

 (7)  
Lubricate the actuator at the grease fittings.

 (8)
Remove the caps from the actuator ports and the hydraulic lines.

 S 434-024

 (9)  
Connect the hydraulic lines to the actuator.

 F.
Do a Check of the Actuator for Correct Installation

 S 094-023
 S 714-017
 (1)  Do the extension and retraction test for the nose landing gear (AMM 32-34-00/501).
 

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757 MAINTENANCE MANUAL
 S 864-018
 (2)  
Remove the power from the left hydraulic system if it is not necessary (AMM 29-11-00/201).

 S 794-019

 (3)  
Examine the actuator for hydraulic leaks.

 G.
Put the Airplane Back to Its Usual Condition

 S 614-020
 (1)  Make sure the fluid in the hydraulic reservoir is at the correct level. Fill if it is necessary (AMM 12-12-01/301).
 S 094-021
 WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 T0 REMOVE THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)  Remove the door locks from the landing gear and close the doors (AMM 32-00-15/201).
　
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