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A
737-300/400/500MAINTENANCE MANUAL
3. ACTUATOR
 WALKING BEAM SEE D
SEE B
A
SEE  E
A
SEE  F
SEE  A
5.
 BEAM HANGER

6.
 ACTUATOR

8. STUD ASSEMBLY
INBD

INBD BRACKET
SEE C
FWD

FWD
A
3. ACTUATOR 3. ACTUATOR  WALKING BEAMWALKING
BEAM
7. BOLT FOR ACTUATOR/ WALKING BEAM
2
6. ACTUATOR
SPECIAL

CUT-AWAY WASHER
CROSS RIB
A-A
NYLON
SPACER BRACKET ON STRUCTURE
4. FLANGED BOLT1
STEELNYLON BUSHINGSPACER 6. ACTUATOR
5. BEAM
 HANGER

4. FLANGED
 STEEL
BUSHING B INBD

8. STUD ASSEMBLY
1  THE BOLT CAN BE INSTALLED WITH THE HEAD ON THE INBOARD OR THE OUTBOARD SIDE.
2  MAKE SURE THE HEAD OF BOLT IS ON THE AFT SIDE OF ACTUATOR WALKING BEAM.
Main Landing Gear Actuator Assembly Installation
Figure 401 (Sheet 1)

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A
737-300/400/500MAINTENANCE MANUAL
3. ACTUATOR 15. TRUNNION
6. MAIN GEAR
 WALKING BEAM  ACTUATOR LINK PIN ANTI-TILT WASHER
(IF INSTALLED)HOSE
GUIDE
16. BOLT FOR INBOARD SEE G END OF ACTUATOR
14. ARM FOR WALKING BEAM
19. HYDRAULIC LINE
18. ONE WAY RESTRICTOR
17. HYDRAULIC9. TRUNNION
9. TRUNNION  FITTING
WASHER LINK LINK
(EXAMPLE)
SHOCK FWD
STRUT D WASHER
13. BOLT FOR INBOARD(EXAMPLE)
END OF WALKING BEAM
E
9. TRUNNION
2. STABILIZING  LINK
BEAM  22. TUBE
21. HOSE CLAMP  SUPPORT
6. MAIN GEAR ACTUATOR
10. PUSHROD FOR OUTER WING DOOR
19. HYDRAULIC  LINES
12. OUTER
 WING 20. HOSE
 DOOR  GUIDE 
BRACKET ON 
STRUCTURE  INBD 
SEE  H  G
F BRACKET ON 
STRUCTURE  FWD

OUTER WING DOOR HINGE
1.
 WING DOOR HINGE BOLT

2.
 STABILIZING  BEAM

H
Main Landing Gear Actuator Assembly Installation
Figure 401 (Sheet 2)

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C27024
A 737-300/400/500MAINTENANCE MANUAL
 S 344-077
 (5)  Do the steps below to remove the stabilizing beam (2) and the outer door:
 NOTE: Remove the stabilizing beam (2) and outer door only if more
____ access is needed to make the removal of the actuator (6) easier.
 (a)  
Remove the bolts (1) for the wing door hinge that hold the stabilizing beam (2) to the airplane.

 (b)  
Remove the stabilizing beam (2), with the outer wing door (12), from the airplane.

 D.
Remove the Actuator Assembly

 S 034-007
 (1) Disconnect the three hydraulic lines (19) from the actuator (6).
 NOTE: Install tags that identify the correct connection location
____
 and routing of hydraulic lines.

 S 494-008
 (2)  
Install plugs in the hydraulic lines (19).

 S 034-009

 (3)  
Disconnect the hose guide (20) from the hose clamp (21)
 (View G, Fig. 401).

 S 034-010

 (4)  
Remove the bolt (16) for the inboard end of the actuator (6) (View E, Fig. 401).

 S 034-011

 (5)  
Remove the bolt (13) for the inboard end of the walking beam (View D, Fig. 401).
　
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