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A
747-400
MAINTENANCE MANUAL
Elevator Lubrication
Figure 301 (Sheet 2)
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747-400 MAINTENANCE MANUAL
STABILIZER TRAILING EDGE
INBOARD ELEVATOR
SEE A SEE B
FWD
LOCKPIN BRACKET ATTACHED TO STABILIZER TRAILING EDGE BELOW RIB OUTBOARD 1OF POWER CONTROL PACKAGE INBD A HOLDING TOOL 2TE65B00184 OF POWER CONTROL PACKAGE SHOWN INSTALLED INBOARD
BRACKET ATTACHED TO ELEVATOR BELOW RIB OUTBOARD OF ACTUATOR REACTION FITTING
1
OUTBOARD ELEVATOR
INBOARD ELEVATOR
OUTBOARD ELEVATOR LOCK INSTALLATION
1 REMOVE BOLTS IN STABILIZER
B
TRAILING EDGE AND ELEVATOR
LOWER SKINS TO ATTACH TOOL.
Inboard Holding Tool and Outboard Lock Tool Installation Figure 302
F83130
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A 747-400 MAINTENANCE MANUAL
(7) S 083-017Do this task to remove the inboard elevator holding tool: (a) Use the elevator holding tool to lower the elevator. (b) Remove the elevator holding tool.
(8) S 413-000Close the access panels (Ref 06-09-06/201).
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747-400 MAINTENANCE MANUAL
STABILIZER TRIM DRIVE SYSTEM - SERVICING (LUBRICATION)
______________________________________________________
1. General_______
A. There are two tasks in this procedure. The first task is for the lubrication of the stabilizer trim jackscrew, upper and lower gimbals. The second task is for the lubrication of the primary brake housing. The procedure has these parts:
(1)
The lubrication of the safety shaft of the upper and lower gimbal
(2)
The lubrication of the upper and lower gimbals
(3)
The lubrication of the jackscrew upper ballnut and the stabilizer trim jackscrew
(4)
The removal of the fill cap from the primary brake housing
(5)
The supply of the MIL-H-5606 in the primary brake housing
(6)
The installation of the fill cap.
TASK 12-21-19-643-001
2. Stabilizer Trim Jackscrew, Upper and Lower Gimbal Lubrication_____________________________________________________________
A. Consumable Materials
(1) D00013 Grease - MIL-G-23827
B. 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
C. Access
(1)
Location Zone
221-222 Control Cabin
311-312 Area Aft of Pressure Bulkhead
(2)
Access Panel 312A Horizontal Stabilizer Jackscrew Access Door
D. Procedure
S 863-002
(1) Apply external power to the AC buses (Ref 24-22-00/201).
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