(2)  
6MIT65B04002-14 - Spanner Wrench

 (3)  
ST2580-267 - Spanner Wrench

 B.  
References

 (1)  
06-09-08/201, Wing Access Doors and Panels

 (2)  
IPC 27-11-12, Fig. 2

 C.  
Access

 (1)  
Location Zone
 579 Inboard Aileron, LH
 679 Inboard Aileron, RH

 (2)  
Access Panel
 573AB Inboard Aileron Actuator, LH
 573BB Inboard Aileron Actuator, LH
 579AB Inboard Aileron, LH
 673AB Inboard Aileron Actuator, RH
 673BB Inboard Aileron Actuator, RH
 679AB Inboard Aileron, RH

 D.  
Procedure

 S 014-011
 (1)  
Open the access panels (573AB, 573BB and 579AB, left wing; 673AB, 673BB and 679AB, right wing) in the lower surface of the wing (Ref 06-09-08/201).

 (2)  
Install the inboard aileron lock.

 S 024-012

 (3)  
Remove the horizontal reaction link (Fig. 401):

 (a)  
Remove the small nut from the forward bolt.

 (b)  
Remove the large nut from the forward bolt.

 (c)  
Remove the forward bolt through the hole in the wing rib.

 S 494-013
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-11-17
 ALL  ú ú 01 Page 401 ú Feb 10/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

VERTICAL 
REACTION 
LINK 
POWER 
CONTROL 
PACKAGE 
INBOARD  B 
AILERON 
FORWARD 
B  BOLT 
HORIZONTAL 
(ACTUATOR) 
REACTION LINK
A  MIDDLE 
BOLT 
AFT 
BOLT 
A 
POWER 
CONTROL 
FORWARD  PACKAGE 
BOLT 
BOLT  WASHER NUT  WASHERS 
NUT 
WASHER  ANTIROTATION 
PLATE 
AFT BOLT 
NUTS 
ANTIROTATION 
RETAINING  PLATE 
RING 
HORIZONTAL  BUSHING 
(ACTUATOR)  HORIZONTAL 
REACTION LINK  (ACTUATOR) 
REACTION LINK 
A-A  B-B 

Inboard Aileron Horizontal Reaction Link Installation
Figure 401

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-11-17
 ALL  ú ú 01 Page 402 ú Feb 10/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A02823
A
747-400 MAINTENANCE MANUAL
 (d)
Remove the nut from the aft bolt with a spanner wrench.

 1)  Use the antirotation plate to hold the bolt when you remove the nut.

 (e)  
Remove the antirotation plate from the aft bolt.

 (f)  
Remove the aft bolt.

 (g)  
Remove the middle bolt from the horizontal reaction link.

 (h)  
Remove the horizontal reaction link.

 TASK 27-11-17-404-002
 3.  Inboard Aileron Horizontal Reaction Link Installation_____________________________________________________
 A.  Special Tools and Equipment
 (1)  
6ME65B02200-1 - Inboard Aileron Lock

 (2)  
6MIT65B04002-14 - Spanner Wrench

 (3)  
ST2580-267 - Spanner Wrench

 B.  
Consumable Materials

 (1)  
D00013 Grease - MIL-G-23827

 C.  
Access

 (1)  
Location Zone
 221 Control Cabin, LH
 222 Control Cabin, RH
 579 Inboard Aileron, LH
 679 Inboard Aileron, RH

 (2)  
Access Panel
 573AB Inboard Aileron Actuator, LH
 573BB Inboard Aileron Actuator, LH
 579AB Inboard Aileron, LH
 673AB Inboard Aileron Actuator, RH
 673BB Inboard Aileron Actuator, RH
 679AB Inboard Aileron, RH
　
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