WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE AREA
_______ AROUND THE LANDING GEAR. THE DOORS MOVE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (9)  
Move the control lever for the landing gear to the UP position to retract the nose landing gear.

 S 864-020

 (10)
 Put the control lever to the OFF position.

 S 864-021

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

 S 494-022

 (12)
 Install the downlock on the nose landing gear (AMM 32-00-20/201).

 S 434-023

 (13)
 Connect the hydraulic line to the actuator.

 S 824-024

 (14)
 If the clearance between the link assembly and the roller assembly is not as shown in Detail A, then do the steps that follow:

 (a)  
Remove the lockwire.

 (b)  
Loosen the actuator nut.

 (c)  
Adjust the length of the actuator rod.

 (d)  
Tighten the nut, apply the sealant, and install the lockwire.

 S 094-025
 (15)
 Remove the downlock from the nose landing gear (AMM 32-00-20/201).

 (16)
 Pressurize the left hydraulic system (AMM 29-11-00/201).

 S 864-026
 

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A

757
MAINTENANCE MANUAL

 S 864-027
 WARNING:_______ MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE AREA
 AROUND THE LANDING GEAR.  THE DOORS MOVE QUICKLY AND CAN CAUSE
 INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 CAUTION:_______ DO NOT HOLD THE "ALTN GEAR EXTENSION" SWITCH IN FOR MORE THAN
 TWO (2) SECONDS.  IF YOU HOLD THE SWITCH IN FOR MORE THAN
 TWO (2) SECONDS THE POWER PACK WILL BECOME TOO HOT, AND THE
 ALTERNATE EXTENSION SYSTEM WILL NOT OPERATE.

 (17)
 Engage the alternate extension switch on the panel P3 to extend the nose landing gear.

 S 494-028

 (18)
 Install the downlock on the nose landing gear (AMM 32-00-20/201).

 S 434-029

 (19)
 Install the operating rod for the left aft door (AMM 32-22-05/401).

 S 584-030

 (20)
 Lower the airplane and remove the jack (AMM 07-11-02/201).

 S 794-031

 (21)
 Examine the actuator for hydraulic leaks.

 S 614-032

 (22)
 Make sure the hydraulic reservoir is at the correct level.  Fill if it is necessary (AMM 12-12-01/301).

 S 094-033
 WARNING: USE THE PROCEDURE AMM 32-00-15/201 TO REMOVE THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (23) Remove the door locks from the landing gear doors and close the doors (AMM 32-00-15/201).
 

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757 MAINTENANCE MANUAL
 NOSE GEAR DOOR LOCK RELEASE ACTUATOR - REMOVAL/INSTALLATION
___________________________________________________________
 1.  General_______
 A.  This procedure contains two tasks. The first task removes the door lock release actuator for the nose landing gear. The second task installs the door lock release actuator.
 TASK 32-35-22-004-001
 2.  Remove the Lock Release Actuator (Fig. 401)________________________________
 A.  Equipment
 (1)  
Spring Extender for the Door Lock Release
 Actuator, NLG - B32051-1

 B.  
References

 (1)  
29-11-00/201, Pressurize/Depressurize Main Hydraulic System

 (2)  
32-00-15/201, Landing Gear Door Locks

 (3)  
32-00-20/201, Landing Gear Downlocks

 (4)  
32-35-00/201, Landing Gear Alternate Extension

 C.  
Access

 (1)  
Location Zones
 115 NLG Wheel Well (Left)
 116 NLG Wheel Well (Right)

 D.  
Prepare for the Removal

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

 S 864-003

 (2)
If you will remove an actuator that does not operate, use the procedure in 32-35-00/201 to open the landing gear doors.
　
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