(k)  
Tighten the locknuts on the rod.

 (l)  
Make sure the rod ends engage the threads on the rod correctly.

 (m)  
Make sure the rod end permits you to see less than 50% of the inspection hole.

 (n)  
Connect the door linkage rods.

 (o)  
Tighten the nut to 600-1500 pound-inches.

 (p)  
Install the cotter pin.

 (5)  
Move the ground release handle to the DOORS OPEN position.

 S 284-012

 (6)  
Make sure the dimensions between the fork of the actuator release lever and the actuator release cam are the same (dimension E, Fig. 402).

 S 864-043
 NOTE: The tolerance between the dimensions is 0.02 inch.
____
 (a)  Adjust the thickness of the washers (shims) with the
 laminations.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400
MAINTENANCE MANUAL

 (b)  
Install the washers to one of the sides of the bearing to get the necessary dimensions.

 (c)  
After the dimensions are the same, move the ground release handle to the DOORS CLOSED position.

 S 094-034
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS FROM THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 CAUTION: AFTER YOU INSTALL THE DOOR LOCKS ON THE DOORS FOR THE BODY
_______ LANDING GEAR, YOU MUST NOT OPERATE THE DOORS FOR THE WING LANDING GEAR. THE DOOR LOCKS ON THE BODY LANDING GEAR ARE IN THE OPERATION AREA OF THE DOORS FOR THE WING LANDING GEAR. IF THE DOORS HIT THE DOOR LOCKS, THEY WILL CAUSE DAMAGE TO THE DOORS.
 (7)  
Do this task: "Body Landing Gear Door Lock Removal" (Ref 32-00-30/201).

 S 864-014

 (8)  
Manually close and open the doors for the wing landing gear and the body landing gear.

 (a)  
Make sure the door clearance is correct.

 (b)  
Make sure the door linkage operates correctly.

 S 434-015
 (9)  
Remove the caps and the plugs from the hydraulic components.

 (10)
 Connect the hydraulic hoses to the actuator.

 S 864-037

 (11)
 Make sure the ground release handle for the main landing gear is in the DOORS OPEN position.

 S 434-036
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400 MAINTENANCE MANUAL
 S 864-044
 WARNING:_______ MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
 SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER.  AILERONS, RUDDERS,
 ELEVATORS, FLAPS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS
 CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER.  THIS CAN
 CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.

 (12) Pressurize hydraulic system No. 1 and 4 (Ref 29-11-00/201).
 S 864-045 WARNING: MAKE SURE ALL PERSONS AND EQUIPMENT ARE AWAY FROM THE DOOR
_______ OPERATION AREA. A FAST MOVEMENT OF THE DOORS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (13)
 Move the ground release handle to the DOORS CLOSED position. S 714-040

 (14)
 Make sure the doors for the main landing gear close and lock. S 864-017

 (15)
 Supply electrical power (Ref 24-22-00/201).

 S 494-041 WARNING: YOU MUST CAREFULLY INSTALL THE GROUND LOCKS IN ALL LANDING
_______ GEAR. AN ACCIDENTAL RETRACTION OF THE LANDING GEAR CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (16)
 Install the ground locks in all landing gear (Ref 09-11-00/201). S 874-019

 (17)
 Bleed the air from the door actuator: NOTE: Do not use No. 4 hydraulic system aux pump to bleed

　
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