NOTE: Do not tighten the outer bolt nut (7) again after
____ you tightened the inner bolt nut (8).
 (c)  Install the bolt (19), 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.
 NOTE: Do not tighten the outer bolt nut (7) again after
____ you tightened the inner bolt nut (8).
 S 432-061
 (2)  
Remove the caps from the hydraulic lines and ports.

 S 642-062

 (3)  
Apply Skydrol assembly lube to the hydraulic fittings before the installation.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-31-17
 ALL  ú ú 01 Page 214 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
 (4)  S 432-063Connect the hydraulic lines H1 to the elevator feel actuator.
 (5)  S 712-064Do the operational test for elevator feel unit (Ref paragraph 5).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-31-17
 ALL  ú ú 01 Page 215 ú Oct 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 ELEVATOR FEEL UNIT - INSPECTION/CHECK
_____________________________________
 1.  General_______
 A.  This procedure has one task. The task is an inspection of the elevator feel unit.
 B.  In this procedure you measure the inner or outer diameter of the parts that attach the elevator feel unit to its control rod assembly. The parts include bearings, bolts, cranks and clevis fittings.
 TASK 27-31-17-206-001
 2.  Elevator Feel Unit Inspection_____________________________
 A.  Standard Tools and Equipment
 (1)  
Micrometer - 0-1 and 1-2 inch

 (2)  
Vernier Caliper

 B.  
References

 (1)  
27-31-17/201, Elevator Feel Unit

 C.  
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

 D.  
Procedure

 (1)
Do this task: "Elevator Feel Unit Removal" (Ref/27-31-17/201).

 S 226-003

 (2)  
Measure the parts, which connect the control rod of the elevator feel unit, for worn areas:

 (a)  
Remove the parts.

 (b)  
Use a micrometer or a vernier caliper to measure the parts.

 (c)  
Compare the dimensions you measured with the permitted dimensions shown in Fig. 601.

 S 026-002
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-31-17
 ALL  ú ú 01 Page 601 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

SEE A
1.
ELEVATOR FEEL UNIT

2.  
AFT QUADRANT BEARING ARM

3.
CONTROL ROD

SEE B
4. AFT QUADRANT
FWD
RIG PIN E-2
A
Elevator Feel Unit Wear Limits
Figure 601 (Sheet 1)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-31-17
 ALL  ú ú 01 Page 602 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

INDEX NO.  PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  REPLACE PART WORN  REPAIR WORN PART  REPAIR INSTR. 
DIAMETER  MITTED PER-DIM. WEAR  DIAM CLEAR-ANCE MAX 
　
中國航空網(wǎng) www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機(jī)維護(hù)手冊 飛行操縱 FLIGHT CONTROLS 3(96)