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)
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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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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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