(5)  
AMM 32-35-00/501, Landing Gear Alternate Extension

 C.  
Access

 (1)  
Location Zone
 143 MLG Wheel Well (Left)
 144 MLG Wheel Well (Right)
 211 Control Cabin (Left)
 212 Control Cabin (Right)
 731 Main Landing Gear (Left)
 732 MLG Body Door
 741 Main Landing Gear (Right)
 742 MLG Body Door

 D.  
Procedure

 (1)  
Fill the actuator with hydraulic fluid.

 (2)  
Install plugs in the hydraulic fittings.

 S 614-019
 S 494-018
 

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 S 434-017
 (3)  
Install the bolt, washers, spacer, and nut to connect the head end of the actuator to the structure. Put the plain washer behind the nut, and the countersink washer behind the head of the bolt with the countersink to the head (Detail A).

 S 434-016

 (4)  
Install the bolt, washers, bushing, and nut to connect the rod end of the actuator to the crank. Put the plain washer behind the nut, and the countersink washer behind the head of the bolt with the countersink to the head.

 S 864-015

 (5)  
Make sure the pressure is removed from the left hydraulic system and hydraulic reservoir.

 S 434-014

 (6)  
Connect the hydraulic lines to the actuator.

 S 864-013

 (7)  
Close this circuit breaker on the main power distribution panel, P6-1: 6F6, LANDING GEAR ALTN EXT MOTOR

 E.
Do a Check of the Actuator for the Correct Installation

 S 864-012
 (1)  
Pressurize the left hydraulic system (AMM 29-11-00/201).

 S 864-011

 (2)  
Supply electrical power (AMM 24-22-00/201).

 S 094-010
 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.
 (3)  Remove the door lock from the landing gear door and close the door (AMM 32-00-15/201).
 NOTE: Only the door lock in the wheel well where you replaced
____
 the actuator must be removed.

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 S 494-009
 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.
 (4)  
Open the door for the landing gear and install door lock
 (AMM 32-00-15/201).

 S 794-008

 (5)  
Examine the actuator for hydraulic leaks.

 S 824-006

 (6)  
Do a check of the adjustment of the mechanism that releases the door lock (AMM 32-35-00/501).

 S 434-005

 (7)  
Make sure the spring is installed with the end hook as shown in Fig. 401.

 F.
Put the Airplane Back to Its Initial Condition

 S 614-004
 (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 094-003
 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.
 (2)  
Remove the door locks (AMM 32-00-15/201).

 S 864-002

 (3)  
Remove the pressure from the hydraulic system if it is not necessary (AMM 29-11-00/201).

 (4)
Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 864-001
 

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757 MAINTENANCE MANUAL
 MAIN GEAR DOOR SAFETY VALVE - REMOVAL/INSTALLATION
__________________________________________________
 1.  General_______
 A.  This procedure contains two tasks. The first task removes the door safety valve for the main landing gear. The second task installs the door safety valve.
 TASK 32-35-05-004-001
 2.  Remove the Door Safety Valve for the Main Landing Gear (Fig. 401, 402)_________________________________________________
 A.  Equipment
 (1)
Door Actuator Lock Equipment, MLG-B32012-32
　
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