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 and (4), and the nuts (3) and (5).
 (g)  Tighten the outer nut (3) to 60-80 pound-inches and the inner
 nut (5) to 30-40 pound-inches.
 NOTE:____ Do not try to tighten the outer nut (3) again.
 (h)  Remove the DO-NOT-CLOSE tags and close these circuit breakers:
 1)  P180, DC Power Distribution Panel
 a)  180H8, ELEV/RUD VLV SYS 1
 b)  180E7, ELEV/RUD VLV SYS 2
 c)  180H23, ELEV/RUD VLV SYS 3
 d)  180E22, ELEV/RUD VLV SYS 4
 (i)  Set all FLT CONTROL HYD POWER TAIL switches on the P461,
 Pilots' Overhead Maintenance Panel in NORM.

 S 222-049
 (6)  
Do the fine adjustment if it is necessary to get the 1.24 inch distance.

 S 222-050

 (7)  
Make sure that the input control rod is in the limits of the dimensions in Fig. 203.

 S 412-108

 (8)  
Install the access panels (AMM 06-09-06/201).

 S 862-140

 (9)  
Depressurize auxiliary pitot systems No. 1 and 2 (AMM 34-11-00/201).

 S 862-104

 (10)
 Release the pressure in the hydraulic systems No. 1 and 2 (Left Elevator), or 3 and 4 (Right Elevator)(AMM 29-11-00/201).

 S 862-107

 (11)
 Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P7, Overhead Circuit Breaker Panel 1) 7E7, L STAB TRIM S/O VLV

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A
747-400 MAINTENANCE MANUAL
 2) 7E20, R STAB TRIM S/O VLV
 S 862-105
 (12)
 Set the STAB TRIM 2 and 3 switches on the control stand to ON.

 S 862-106

 (13)
 If the electrical power is not necessary, do this task:  "Remove Electrical Power" (AMM 24-22-00/201).

 S 712-051

 (14)
 Do a test of the inboard elevator PCP (Ref paragraph 5.).

 TASK 27-31-07-712-052
 5.  Inboard Elevator Power Control Package (PCP) Operational Test_____________________________________________________________
 A. References
 (1)  
AMM 12-12-01/301, Hydraulic Systems

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

 (3)  
AMM 27-41-00/201, Horizontal Stabilizer Trim Control System

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

 (5)  
AMM 34-11-00/201, Pitot-Static System

 B.
Access

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

 (2)  
Access Panel 334HBL Inboard Elevator Actuator Access Panel 344HBR Inboard Elevator Actuator Access Panel

 C.
Prepare for Test

 (1)  
Set the stabilizer to the neutral rig position (AMM 27-41-00/201).

 S 862-131

 (2)  
Make sure the inboard elevator trailing edges align with the centerline on the index plate in the limits of |0.40 (Fig. 203).

 S 862-053
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú 01 Page 217 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 822-132
 (3)  
If you cannot align the inboard elevator, adjust the inboard elevator (Ref Paragraph 3).

 S 222-133

 (4)  
Make sure the outboard elevator aligns with the adjacent inboard elevator in the limits in Fig. 203.

 D.
Do a Check on the Inboard Elevator Travel

 S 222-063
 (1)  
Make sure that the inboard elevator uses the hydraulic system No. 1 and 2 (left Inboard elevator) or 3 and 4 (right inboard elevator) (AMM 29-11-00/201).

 S 222-136

 (2)  
Do a check on the inboard elevator travel and make sure these steps occur:

 (a)  
Move the control columns forward to the stop and hold.
　
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