Aileron System Servicing (Lubrication)
Figure 301 (Sheet 3)
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L56354
A
747-400
MAINTENANCE MANUAL
AILERON PROGRAMMERS
SEE H
ROLLERS
ROLLER
FLUSH
MIL-G-23827
(1 LOCATION)
1
1 TO GET ACCESS TO LUBRICATION FITTING,
REMOVE COVERPLATE AND AFT COVER. TO
LUBRICATE FITTING, TURN CONTROL WHEEL 1 POINT
RIGHT FOR RIGHT-HAND PROGRAMMER AND LEFT
FOR LEFT-HAND PROGRAMMER H
AFT COVER COVERPLATE
Aileron System Servicing (Lubrication)
Figure 301 (Sheet 4)
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747-400 MAINTENANCE MANUAL
RUDDER AND RUDDER TRIM CONTROL SYSTEM - SERVICING (LUBRICATION)
_______________________________________________________________
1. General_______
A. There are three tasks in this procedure:
-The first task is to lubricate the rudder hinges
-
the second task is to lubricate the upper rudder actuators
-
the third task is to lubricate the rudder ratio changers.
B. You can get access to lubricate the right side easier if you set the rudder to the left.
C. You can get access to lubricate the left side easier if you set the rudder to the right.
TASK 12-21-17-643-001
2. Rudder Hinge Lubrication________________________
A. Standard Tools and Equipment
(1)
Grease gun
(2)
Special grease gun (Optional) - a grease gun with extended nipple and 45 degrees bend hose.
B. Consumable Materials
(1)
D00633 Grease - BMS 3-33 (Preffered).
(2)
D00013 Grease - MIL-G-23827 (Optional).
C. References
(1)
06-09-07/201, Fin and Rudder Access Doors and Panels
(2)
24-22-00/201, Manual Control
(3)
29-11-00/201, Main Hydraulic Supply System
D. Access
(1)
Location Zone 324 Vertical Fin, Rear Spar to Trailing Edge 325 Lower Rudder 326 Upper Rudder
(2)
Access Panel
324DL Inspection Access Panel
324FL Inspection Access Panel
324UL Inspection Access Panel
E. Prepare for the Lubrication
S 843-025
(1) To prepare the rudder for lubrication without the hydraulic power, do these steps:
(a) Push and hold the captain's right (or left) rudder pedal fully forward.
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MAINTENANCE MANUAL
UPPER RUDDER RUDDER HINGES NO. 9, 10 AND 11
ACTUATORS
SEE D
SEE F
RUDDER RATIO CHANGER
RUDDER HINGES NO. 7 AND 8 SEE E
SEE B
HINGE NO. 6
SEE A
RUDDER HINGES NO. 4 AND 5
FEEL AND SEE D
CENTERING MECHANISM RUDDER HINGE
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