747-400 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 3(153)

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A
747-400 MAINTENANCE MANUAL
 (c)  
Replace the parts that are not in the specified tolerance limits.

 (d)  
Install the parts.

 S 426-004
 (3)  Do this task: "Stabilizer Hinge Installation" (AMM 27-41-02/201).
 TASK 27-41-02-206-005
 3.  Horizontal Stabilizer Inner and Outer Pivot Pin Corrosion Inspection____________________________________________________________________
 A. References
 (1)  
AMM 27-41-02/201, Stabilizer Hinge

 (2)  
OHM 55-10-01

 B.
Access

 (1)  
Location Zone
 315-316 Area Aft of Stabilizer Box

 (2)  
Access Panel
 315A Access Door

 C.
Procedure

 S 026-006
 (1)  
Do this task: "Stabilizer Pivot Pin Removal" (AMM 27-41-02/201).

 S 216-007

 (2)
Examine the stabilizer pivot pin for signs of corrosion.

 S 966-028

 (3)  
If there is sign of corrosion, replace or repair the stabilizer pivot pin (OHM 55-10-01).

 S 426-008

 (4)  
Do this task: "Stabilizer Pivot Pin Installation" (AMM 27-41-02/201).

 TASK 27-41-02-206-009
 4.  Horizontal Stabilizer Flutter Free Play Limit Inspection________________________________________________________
 A. General
 (1)  
This task finds the total flutter free play for the horizontal stabilizer because of the movement at the jackscrew and at the stabilizer hinges.

 B.
Special Tools and Equipment

 (1)  
OHME65B80713-1, Horizontal Stabilizer Actuator Handling Equipment (which is referred to as the "handling tool") which includes these parts:

 (a)  
OHME65B80713-4, Jack Assembly (2 locations)

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747-400
MAINTENANCE MANUAL

FWD
JACKSCREW ACCESS

HORIZONTAL STABILIZER
DOOR, 312A  
A
Horizontal Stabilizer Flutter Free Play Inspection Figure 602 (Sheet 1)
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747-400 MAINTENANCE MANUAL 
ABOVE THE CENTER SECTION STIFFENER ON THE BULKHEAD OF THE STABILIZER FRONT SPAR  ASSEMBLY JACK 
BALL LOCKPIN  BASE ASSEMBLY (2 LOCATIONS)  LOCKPIN BALL 
JACK ASSEMBLY 
BRACKET/ASSEMBLY SUPPORT  (2 LOCATIONS) CLAMPING ARM 
B  SUPPORT FITTING JACKSCREW 
ARM HANDLE CLAMPING 
C 

DIAL INDICATOR PROBE CONTACT POINT
D
Horizontal Stabilizer Flutter Free Play Inspection Figure 602 (Sheet 2)
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A
747-400
MAINTENANCE MANUAL

HORIZONTAL STABILIZER CENTER SECTION BULKHEAD
TRUSS
JACK
ASSEMBLY

SEE E
INDICATOR ASSEMBLY HYDRAULICFWD PUMP ASSEMBLY
A-A
SEE E
JACK
ASSEMBLY

HYDRAULIC
PUMP ASSEMBLY

E
Horizontal Stabilizer Flutter Free Play Inspection Figure 602 (Sheet 3)
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