10-11-02
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 CAUTION: WHENEVER AN OPENING IS COVERED, MAKE SURE THAT CONDITION IS
_______ VISIBLE FROM THE GROUND. ENGINES SHOULD NOT BE OPERATED WITH COVERS IN PLACE BECAUSE THE COVERS CAN COME OFF AND DAMAGE THE ENGINES.
 (4)  
Put the covers on all of the static ports. The procedure to attach the static port covers using orange barricade tape that has "REMOVE BEFORE FLIGHT" printed on it in black letters and 3M No. 471 yellow vinyl adhesive tape, is given in Parking (Normal) - Maintenance Practices (AMM 10-11-01/201).

 S 422-266

 (5)  
Attach a red paper tag that has "STATIC PORTS COVERED" printed on it in black letters, to the left control wheel in the flight deck.

 S 622-056

 (6)  
Put the cover on the temperature probe.

 S 422-267

 (7)  
Put the cover on the angle of attack sensor.

 S 422-268

 (8)  
Put the cover on the ice detector (if installed).

 L. Landing Gear Deactivation
 S 492-057
 (1)  
Put chocks forward and aft of the wheels.

 S 862-058

 (2)  
Release the parking brakes.

 S 492-059

 (3)  
Make sure you install all of the landing gear downlocks
 (AMM 32-00-00/201).

 NOTE: Install the steering lock assembly in the nose gear so
____ the nose gear does not move. The wind can move the nose gear when airplane is parked or when the nose wheel is jacked.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 10-11-02
 ALL  ú ú 01 Page 210 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 862-060
 (4)  Close the wheel well doors.
 S 642-061
 (5)  Lubricate these with MIL-G-23827 grease (AMM 12-21-01/301).
 (a) The uplock hook surfaces on body and wing gears.
 (b) The surfaces of the spherical bearing which are open to the
 outside air:
 1) The body side strut
 2) The wing gear drag strut
 3) The wing gear trunnion fork bearing
 4) The aft trunnion bearing
 5) The truck pitch links
 (c) The bungees-jury brace rod.
 S 642-062
 (6)  Lubricate all the lubrication points on the landing gear
 (AMM 12-21-01/301).
 S 612-063
 (7)  Inflate the shock struts with dry nitrogen to a minimum of 100 psi
 when the airplane is parked for more than 7 days. If the airplane
 is towed or moved, inflate the shock struts with dry nitrogen
 (AMM 12-15-03/301, AMM 12-15-04/301 and AMM 12-15-05/301).
 NOTE: The shock struts are filled with MIL-H-6083 type fluid and____
 it is not neccessary to drain or fill the shock struts.

 S 842-253
 CAUTION:_______DO NOT APPLY GREASE TO OTHER SURFACES. IF YOU APPLY GREASE TO OTHER SURFACES IT CAN CAUSE DAMAGE.
 (8) Extend the inner cylinder of the shock strut approximately half way.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400 MAINTENANCE MANUAL
 S 642-064
 (9) Butter lubricate the chrome area with MIL-G-25013 grease.
 NOTE: On systems that use BMS 3-11 hydraulic fluid, a
____ compatible grease MCS 352 may be used as an alternate to MIL-G-25013. Do not use MCS 352 grease on systems that use MIL type greases, as MIL 352 grease will deteriorate seals.
 S 242-065
 (10)
 Remove the MIL-G-25013 or MCS 352 grease if the shock strut is to be deflated or if the airplane is to be moved.

 S 612-066

 (11)
 Make sure the tire pressure is not less than 15 psi below the serviceable inflation pressure (AMM 12-15-06/301).

 S 622-067
　
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