S 864-004

 (3)  
Open these circuit breakers and attach DO-NOT-CLOSE tags:

 (a)  
P6-2 Circuit Breaker Panel
 1) STABILIZER TRIM ACTUATOR

 (b)  
P18-0 Circuit Breaker Panel
 1) AUTOPILOT STABILIZER TRIM SERVO

 S 864-002
 S 864-003
 S 864-005
 (4)  Disconnect the electrical connector from the electric actuator and the autopilot actuator.
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A 737-300/400/500MAINTENANCE MANUAL

Horizontal Stabilizer Center Section Hinge Fitting Removal
Figure 401

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A 737-300/400/500MAINTENANCE MANUAL
SEE A
SEE C
SEE B
11. BULKHEAD REAR SPAR FITTING
SUPPORT STRUCTURE
A
A
19. OUTBOARD
 FAIL-SAFE

CENTER LINK
SECTION
HINGE
20. FORWARD BOLT
18. HINGE HOUSING FITTING
FWD
A
Horizontal Stabilizer Center Section Hinge Fitting InstallationFigure 402 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A
737-300/400/500MAINTENANCE MANUAL
+0.07
4. BEARING
0.12 INCH3. BUSHING SPACER -0.08
2. HINGE PIN
5.
 BUSHING SPACER

6.
 NUT

7.
 NUT

1. HINGE  INSERT PIN
13. BUSHING
 RETAINER

8.
 WASHER

9.
 HINGE BUSHING

10.
 BUSHING RETAINER

12. ADJUSTABLE
 HINGE BUSHING
11. BULKHEAD SUPPORT STRUCTURE
INBD
18. HINGE HOUSING FITTINGFWD
A-A
15. UPPER THRUST BRACE18. HINGE
 HOUSING
16. THRUST BRACE  FITTING ATTACH FITTING
4. HINGE BEARING
19. OUTBOARD
 FAIL-SAFE
LINK

17. INBOARD
 FAIL-SAFE
 LINK

25. BOLT (2 LOCATIONS)
14. LOWER
 THRUST
 BRACE

B
Horizontal Stabilizer Center Section Hinge Fitting Installation Figure 402 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
18. HINGE  HOUSING
2. HINGE PIN
 FITTING
1. HINGE INSERT
PIN

5. BUSHING SPACER
PUNCH (FROM13. BUSHINGPUNCH SET)RETAINER
12. ADJUSTABLE
 INBD
HINGE BUSHING
11. BULKHEAD SUPPORT STRUCTURE
HORIZONTAL STABILIZER HINGE PIN REMOVAL/INSTALLATION
22. UPPER
 CHANNEL
SPACER

21. UPPER PLATE
23. LOWER
 SPACER PLATE SPACER
24. LOWER
 CHANNEL
SPACER

C
Horizontal Stabilizer Center Section Hinge Fitting Installation Figure 402 (Sheet 3)
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A
　
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