(1)  
D00013 Grease - MIL-G-23827

 C.  
References

 (1)  
AMM 06-09-06/201, Stabilizer and Elevator Access Doors and Panels

 (2)  
AMM 24-22-00/201, Manual Control

 (3)  
AMM 27-31-03/601, Elevator Hinges

 (4)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (5)  
IPC 27-31-09, Fig. 1

 (6)  
IPC 55-20-03, Fig. 1

 (7)  
IPC 55-20-04, Fig. 1

 (8)  
IPC 55-50-16, Fig. 1

 D.  
Access

 (1)  
Location Zone
 335 Inboard Elevator, LH
 345 Inboard Elevator, RH
 336 Outboard Elevator, LH
 346 Outboard Elevator, RH

 (2)  
Access Panel 334HBL Inboard Elevator Actuator Access Panel 344HBR Inboard Elevator Actuator Access Panel 334LBL Horizontal Stab. Trailing Edge Access Panel 344LBR Horizontal Stab. Trailing Edge Access Panel

 E.  
Install the Reaction Hinge

 S 224-040
 (1)  
Examine the reaction hinge and mating parts on the elevator lug for worn parts.

 (a)  
Replace the part, if it is worn (AMM 27-31-03/601).

 S 424-041
 (2)  
Install the reaction hinge:

 (a)  
Align the hinge with the holes in the stabilizer hinge rib.

 (b)  
Install the bolts (14) and (15).

 (c)  
Install the washers (16) and (17), and nuts (18): 1) Tighten the nuts (18) at the inboard elevator hinge to 220-260 pound-inches torque plus run on torque.

 2)  Tighten the nuts (18) at the outboard elevator hinge to 130-180 pound-inches torque plus run on torque.

 (d)  
Apply a thin layer of grease on the hinge bolt assembly (9).

 (e)  
Install the hinge bolt assembly (9) through the hinge with the head outboard.

 (f)  
Install the washer (13), outer nut (12), and inner nut (11) on the hinge bolt assembly (9).

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (g)  Do these steps to tighten the outer nut (12) and the inner nut (11).
 NOTE: Tighten the outer nut (12) first but do not tighten it
____ again after tightening the inner nut (11).
 1) Tighten the outer nut (12) at the inboard elevator reaction hinge to 1600-1700 pound-inches torque. 2) Tighten the inner nut (11) at the inboard elevator reaction hinge to 500-700 pound-inches torque.
 3) Tighten the outer nut (12) at the outboard elevator
 reaction hinge to 1000-1100 pound-inches torque.
 4) Tighten the inner nut (11) at the outboard elevator

 reaction hinge to 300-500 pound-inches torque.

 S 414-042
 (3)  
Install the hinge access panel.

 S 864-043

 (4)  
Manually move the elevator to the neutral position.

 S 864-061

 (5)  
For the outboard elevator; Move the outboard elevator PCP summing lever to follow the elevator movement.

 S 864-062

 (6)  
For the inboard elevator; Move the control column to follow the elevator movement.

 S 864-044

 (7)  
Apply external power to the AC buses (Ref 24-22-00/201).

 S 864-045

 (8)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P180, DC Power Distribution Panel
 1) 180E7, ELEV/RUD VLV SYS 2
 2) 180E22, ELEV/RUD VLV SYS 4
 3) 180H8, ELEV/RUD VLV SYS 1
 4) 180H23, ELEV/RUD VLV SYS 3

 S 864-046
 (9)  
Set all FLT CONTROL HYD POWER TAIL switches on the P461 Pilots' Overhead Maintenance Panel in NORM.

 (10)
 Pressurize the hydraulic systems No. 1 and 4 (AMM 29-11-00/201).

 S 864-064
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