S 865-029

 (15)
 Make sure the ACTUATED indicator for the transfer valve is white.

 NOTE:____The ACTUATED indicator is on the E11 shelf. You must open access door 1103 to get to the E11 shelf.
 S 865-044
 (16)
 Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P6 Main Power Distribution Panel
 1) LDG GEAR SYS XFR VALVE - PRIM CONT

 (17)
 Move the control lever to DN.

 S 865-031
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737-300/400/500MAINTENANCE MANUAL
 S 865-032
 (18) Push the ACTUATED indicator for the transfer valve to set the indicator to black.
 NOTE:____The ACTUATED indicator is on the E11 shelf. You must open access door 1103 to get to the E11 shelf.
 S 865-033
 (19)
 Release the pressure from the hydraulic system (AMM 29-15-00/201).

 S 495-034

 (20)
 Install the ground lock assemblies in the main landing gear (AMM 32-00-01/201).

 S 615-035

 (21)
 If it is necessary, fill the two hydraulic reservoirs with hydraulic fluid (AMM 12-12-00/301).

 S 865-036

 (22)
 If electrical, hydraulic, or pneumatic power are not necessary, remove them from the airplane.

 (23)
 Lower the airplane and remove the jacks (AMM 07-11-11/201).

 S 585-037
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737-300/400/500MAINTENANCE MANUAL
 MAIN GEAR ACTUATOR ASSEMBLY - REMOVAL/INSTALLATION
__________________________________________________
 1.  General
_______
 A.  The actuator assembly for the main landing gear includes the actuator, the actuator walking beam, and the beam hanger. You must remove the complete assembly to change each component.
 B.  This procedure contains the tasks that follow:
 (1)  
Removal of the actuator assembly for the main landing gear

 (2)  
Installation of the actuator assembly

 (3)  
Procedure to bleed the actuator for the main landing gear with the airplane on jacks

 (4)  
Procedure to bleed the actuator with the airplane on the ground.

 TASK 32-32-11-004-018
 2.  Remove the Actuator Assembly for the Main Landing Gear (Fig. 401)
______________________________________________________
 A.  References
 (1)  
AMM 12-31-61/201, Wing Lower Surface Access Doors and Panels

 (2)  
AMM 29-15-00/201, Hydraulic Systems A, B, and Standby

 (3)  
AMM 32-00-01/201, Landing Gear Ground Lock Assemblies

 (4)  
AMM 32-32-93/401, Main Landing Gear Beam Hanger Shaft

 B.  
Access

 (1)  
Location Zones
 310 Left Main Landing Gear
 410 Right Main Landing Gear

 (2)  
Access Panels
 8401 Panel - Left Hydraulic Access
 8501 Panel - Right Hydraulic Access

 C.  
Prepare to Remove the Actuator Assembly

 S 494-086
 WARNING: MAKE SURE THE GROUND LOCK ASSEMBLIES ARE INSTALLED ON ALL THE
_______ LANDING GEAR. WITHOUT THE GROUND LOCKS, THE LANDING GEAR CAN RETRACT AND CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1)  
Make sure the ground lock assemblies are installed on the nose and main landing gear (AMM 32-00-01/201).

 (2)  
Remove the pressure from the hydraulic system (AMM 29-15-00/201).

 (3)
Remove the hydraulic access panels 8401 left, or 8501 right.

 S 034-004

 (4)  
Disconnect the pushrod (10) for the outer wing door from the trunnion link (9).

 S 864-002
 S 014-003
　
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