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A
747-400
MAINTENANCE MANUAL
17. OUTBOARD SUPPORT FITTING
16. STABILIZER HINGE FITTING
SEE ASEE B
14. INBOARD SUPPORT 18. BUSHING FITTING
22. OUTER NUT
A
20. INNER NUT
19. SPACER
A
STA
2598
HORIZONTAL BULKHEAD
STABILIZER
CENTER SECTION
FREE PLAY
CHECK TOOL
1. WASHER
8.
SHEAR DECK FITTING 7. OUTER PIVOT
(4 LOCATIONS, NOT ON PIN
ALL AIRPLANES)
STA RIGHT HINGE ASSEMBLY
2598 (LEFT OPPOSITE)
BULKHEAD
A
HYDRAULIC LINE
TO HAND PUMP
HORIZONTAL STABILIZER HINGE
BEARING FREE PLAY CHECK TOOLS USAGE
B
Stabilizer Hinge Installation
Figure 201 (Sheet 1)
6. ADJUSTMENT SCREW
12. ANTI-ROTATION PLATE
10. INTERNAL LOCKBOLT NUT
9. INTERNAL LOCKBOLT
INNER PIVOT PIN
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MAINTENANCE MANUAL
21. COTTER 8. INNER PIVOT PIN
9. INTERNAL LOCKBOLT
LOCKBOLT NUT
12. ANTI-ROTATION
14. INBOARD FITTING HINGE
15. HINGE
SUPPORTFITTING BEARING FITTING
INBD
A-A
1
NOT INSTALLED ON ALL AIRPLANES
Stabilizer Hinge Installation
Figure 201 (Sheet 2)
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B.
C.
D.
A
747-400 MAINTENANCE MANUAL
(4)
G27036-47 - Adapter (Required to use with 6MIT65B03670)
(5)
23ME65B02500 - Upper Lobe Access Ladder
NOTE: Ladder may be used to provide access to access door 315A
____References
(1)
AMM 06-09-06/201, Stabilizer and Elevator Access Doors and Panels
(2)
AMM 07-11-01/201, Airplane Jacking
(3)
AMM 24-22-00/201, Manual Control
(4)
AMM 29-11-00/201, Main Hydraulic Supply System
(5)
AIPC 55-10-50-01Access
(1)
Location Zone 311 Area Aft of Pressure Bulkhead, LH 312 Area Aft of Pressure Bulkhead, RH 315 Area Aft of Stabilizer Box Compartment, LH 316 Area Aft of Stabilizer Box Compartment, RH
(2)
Access Panel 315A Access Door
Procedure
S 862-002
(1) Do this task: "Supply Electrical Power" (AMM 24-22-00/201).
S 862-063
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.
(2)
Do this task: "Supply Hydraulic Power" (AMM 29-11-00/201).
S 862-003
(3)
Use the STAB TRIM ALTN switches to set the horizontal stabilizer to the neutral rig position (3 units of trim).
(4)
Set the STAB TRIM 2 and 3 switches on the control stand to CUTOUT.
S 862-005
(5)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a)
P7, Overhead Circuit Breaker Panel
1) 7E7, L STAB TRIM S/O VLV
S 862-004
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