(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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27-41-02
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
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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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
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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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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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