CENTER OF GRAVITY (% MAC) 757-200
Airplane Jacking Weight and Center of Gravity Limits
Figure 203
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(2) S 212-030Do a general visual inspection examination of the area around the nose jack adapter, after removal, for obvious signs of distress. (a) Install the two plug bolts and the four Hi-Torque bolts at the forward body jack point. These bolts were removed to permit the installation of the forward body jack adapter.
(3) S 092-021Remove the shock strut locks, if they were installed.
(4) S 412-022If the hydraulic line disconnect brackets were removed as shown in Figure 204, put them back on. These brackets are attached to the upper and lower torsion link attach points. Put the hydraulic hoses in the correct position after the lock equipment for the shock strut is removed.
(5) S 612-024Do the servicing of the shock struts on the main landing gear, if they were deflated (AMM 12-15-01/301).
(6) S 612-025Do the servicing of the shock strut on the nose landing gear, if it was deflated (AMM 12-15-02/301).
(7) S 042-028If electrical power was supplied during jacking do the steps that follow: (a) On the PSEU (in the main equipment center, E-1 rack), push the RESET switch to erase the PSEU memory.
NOTE:____ Code "EEE" will be shown on the PSEU display during the erase procedure.
(b) Do the activation procedure for the flight mode simulation if you did the deactivation procedure (AMM 32-09-02/201).
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HYDRAULICLINES
APEX JOINT TORSION LINKS
SEE A
PIN UPPER ATTACH TORSION LINK APEX JOINT TORSION LINK DISCONNECT BRACKET HYDRAULIC LINE UPPER HYDRAULIC HOSES ROUTED AROUND TORSION LINKS APEX JOINT HYDRAULIC LINE INSTALLATION WITH
(2 PLACES) DISCONNECT BRACKET HYDRAULIC LINE LOWER
TORSION LINK LOWER ATTACH PIN
HYDRAULIC LINE LOWER
DISCONNECT BRACKET
ATTACH BOLT
HYDRAULIC LINE INSTALLATION WITH
LINES ROUTED THROUGH DISCONNECT
BRACKETS AT TORSION LINKS
Hydraulic Bracket and Hose Disconnects for Jacking Maintenance Figure 204 (Sheet 1)
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DISCONNECT BRACKET ATTACH BOLTS
HYDRAULIC LINE LOWER DISCONNECT BRACKET
Hydraulic Bracket and Hose Disconnects for Jacking Maintenance
Figure 204 (Sheet 2)
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JACKING AIRPLANE NOSE - MAINTENANCE PRACTICES
_____________________________________________
TASK 07-11-02-582-001
1. Jack the Airplane Nose
______________________
A. General
(1)
This section gives instructions to lift the airplane nose on jacks. A single jack point can be used to lift or lower the nose when the correct precautions are used. Also, the nose is lifted when the complete airplane is lifted on jacks. A jack adapter must be installed at jack point A before the airplane nose is lifted.
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