747-400 AMM 飞机维护手册 起落架 LANDING GEAR 3(131)

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 (3)  S 094-014Remove the holding tool from the upper torsion link (5).
 (4)  S 434-015Put the upper torsion link (5) into the fork of the lower torsion link (10).
 (5)  S 584-016Lift the nose gear axle to help to put the ends together (AMM 07-11-03/201).
 (6)  S 434-017Install the tripod apex pin (7). (a) Tighten the tripod apex pin (7) into the threaded bushing (9) with your hand. (b) Install the quick-release pin (8).
 (7)  S 434-018If the cable is damaged or missing, make a new one (Fig. 402). (a) Install the cable.

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747-400 MAINTENANCE MANUAL
 G.  Put the airplane back to its usual condition. S 644-019
 (1)  
Lubricate the torsion links (AMM 12-21-01/301).
 S 414-020

 (2)  
Install the left wheel and tire assembly (AMM 32-45-02/401).

 S 094-027
 WARNING:_______OBEY THE REMOVAL PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
 (3)  Remove the door locks from the doors of the nose landing gear (AMM 32-00-30/201).
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747-400 MAINTENANCE MANUAL
 NOSE LANDING GEAR TORSION LINKS - INSPECTION/CHECK
__________________________________________________
 1.  General_______
 A. This procedure has two tasks:
 (1)  
The examination of the free-play (referred to as the play) for the torsion links.

 (2)  
The worn area examination of the bolts, the pins, and the bushings in the torsion links.

 TASK 32-21-03-206-058
 2.  Nose Landing Gear Torsion Link Free-Play Examination_____________________________________________________
 A. Special Tools and Equipment
 (1)  
G32022-1 Test Equipment - Torsion Link Free Play Check, Nose Landing Gear

 (2)  
TE65B01202 Test Equipment - Nose Landing Gear Component Assembly (Jack Attachment Tool)

 (3)  
2MIT65B04011-41 Nose Gear Rig and Tow Safety Pin

 B.
Standard Tools and Equipment

 (1)  
Indicator - Dial 25-441P; Universal Indicator Back - 672.2; Magnetic Base Indicator Holder - 657AA. L. S. Starrett Co., Athol, Massachusetts 01331

 (2)  
Gage - Dial Push/Pull model DPPH-100. John Chatillon and Sons Inc., 83-30 Kew Gardens Road, Kew Gardens, New York 11415

 C.
References

 (1)  
AMM 07-11-02/201, Jacking Airplane Nose

 (2)  
AMM 09-11-00/201, Towing

 (3)  
AMM 12-15-05/301, Nose Landing Gear Shock Strut

 (4)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (5)  
AMM 32-00-30/201, Landing Gear Door Locks

 (6)  
AMM 32-45-02/401, Nose Gear Tire/Wheel

 (7)  
AIPC 32-21-03 Fig. 1

 D.
Access

 (1)  
Location Zone
 715 Nose Landing Gear

 E.
Procedure

 S 866-065
 (1)  Make sure the airplane is empty (450,000 pound maximum) and in a hangar or in an open areas with light winds.
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747-400
MAINTENANCE MANUAL

FUSELAGE JACK 
A 
A 
AT BLUE LOCATION PUSH AND PULL GAGE  TOOL JACK ATTACHED 
ASSEMBLY (PART 2) REVERSIBLE EXTENSION SEE 1  AXLE JACK A  DIAL INDICATOR 
　
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