27-31-17
 ALL  ú ú 01 Page 211 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 862-047
 (7)  
Release the pressure in the auxiliary pitot systems No. 1 and No. 2 (AMM 34-11-00/201).

 S 742-048

 (8)  
Do the CMCS AFDS - Ground Test - SERVO-ELEVATOR (AMM 22-10-00/501).

 (a)  
Make sure that CMCS - AFDS Ground Test - SERVO-ELEVATOR operates correctly.

 S 862-050
 (9)  
If the hydraulic power is not necessary, do this task: "Remove Hydraulic Power" (AMM 29-11-00/201).

 S 862-052

 (10)
 If the electrical power is not necessary, do this task:  "Remove Electrical Power" (AMM 24-22-00/201).

 S 412-053

 (11)
 Close the access door 315A (AMM 06-09-05/201).

 TASK 27-31-17-002-054
 6.  Elevator Feel Actuator Removal (Fig. 201)______________________________
 A. References
 (1)  
AMM 06-09-05/201, Body Section 48 Access Doors and Panels

 (2)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (3)  
AIPC 27-31-17, Fig. 2

 B.
Access

 (1)  
Location Zone 315 Area Aft of Stabilizer Box Compartment, LH 316 Area Aft of Stabilizer Box Compartment, RH

 (2)  
Access Panel
 315A Access Door

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-31-17
 ALL  ú ú 01 Page 212 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 C. Procedure
 S 862-055
 (1)  
Do this task to release the pressure in the hydraulic systems No. 2 and No. 3: "Remove Hydraulic Power" (AMM 29-11-00/201).

 S 032-056

 (2)  
Disconnect the hydraulic lines H1 from the elevator feel actuator.

 S 032-057

 (3)  
Seal the hydraulic lines and ports with caps.

 S 022-058

 (4)  
Remove the elevator feel actuator:

 (a)  
Hold the elevator feel actuator (1).

 (b)  
Remove the forward bolt (19) and the aft bolt (20).

 (c)  
Remove the feel actuator (1) from the elevator feel unit (2).

 TASK 27-31-17-402-059
 7.  Elevator Feel Actuator Installation___________________________________
 A. Consumable Materials
 (1)  
D00153 Fluid Hydraulic Fire Resistant - BMS 3-11

 (2)  
D00054 Lube, Skydrol Assembly - MCS 352

 B.
Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 201 | 7 | Nut | 27-31-17 | 02 | 15 | | | 8 | Nut | | | 5 | | | 9 | Washer | | | 20 | | | 10 | Washer | | | 30 | | | 19 | Bolt | | | 90 | | | 20 | Bolt | | | 85 | | | | | | | | 2......…........…...................................…...........….....…........1

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-31-17
 ALL  ú ú 01 Page 213 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 C. References
 (1)  
AMM 06-09-05/201, Body Section 48 Access Doors and Panels

 D.
Access

 (1)  
Location Zone
 315 Area Aft of Stabilizer Box Compartment, LH
 316 Area Aft of Stabilizer Box Compartment, RH

 (2)  
Access Panel
 315A Access Door

 E.
Procedure

 S 422-060
 (1)  
Install the elevator feel actuator:

 (a)  
Put the feel actuator (1) on the elevator feel unit (2).

 (b)  
Install the aft bolt (20), the washers (9 and 10), and the nuts (7 and 8). 1) Tighten the outer bolt nut (7) to 85-100 pound-inches. 2) Tighten the inner bolt nut (8) to 30-40 pound-inches.
　
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