747-400 AMM 飞机维护手册 LEVELING AND WEIGHING(2)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
PLUMB BOB
LEVELING SCALE
SEE E
SEE A
SEE B
INCLINOMETER
(LONGITUDINAL)
SEE D FWD
LONGITUDINAL INCLINOMETER AND LEVELING SCALE A
SEE C
10 10
RIGHT
0
WING LOW
LEFT WING LOW
FWD
INBD
LATERAL INCLINOMETER
APU REMOTE CONTROL MODULE
SEE D
B LATERAL INCLINOMETER
C
TAIL DOWN  LEVEL  NOSE DOWN 
10  0  10  3`  2`  1`  0`  1`  2`  3` 
INCLINOMETER 

LEVELING SCALE
D
E
Level Airplane Using Inclinometer Or Plumb Bob
Figure 201 (Sheet 2)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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

 (b)  If the plumb bob is not at zero on the leveling scale, adjust the pitch and the lateral attitude until it shows zero:
 WARNING: DO NOT SUPPLY MORE THAN 2000 PSI OF PRESSURE TO THE
_______ MAIN LANDING GEAR AND THE NOSE LANDING GEAR. TOO MUCH PRESSURE CAN CAUSE DAMAGE TO THE SHOCK STRUT AND INJURY TO PERSONS.
 1)  The first procedure is to inflate or deflate the applicable shock strut of the landing gear (AMM 12-15-03/301, (AMM 12-15-04/301, (AMM 12-15-05/301).
 2)  The second procedure is to lift the airplane on jacks at the jack points I, II, and III (AMM 07-11-01/201).
 TASK 08-00-00-582-006
 3.  Secondary Leveling
__________________
 A.  References
 (1)  
AMM 07-11-01/201, Jacking Airplane

 (2)  
AMM 09-11-00/201, Towing

 (3)  
AMM 12-15-03/301, Wing Landing Gear Shock Strut

 (4)  
AMM 12-15-04/301, Body Landing Gear Shock Strut

 (5)  
AMM 12-15-05/301, Nose Landing Gear Shock Strut

 B.  Make the Airplane Level with the Inclinometers (Fig. 201)
 NOTE: Do not use the inclinometers to make the airplane level if you
____
 will weigh the airplane.

 S 582-007
 (1)  
Park the airplane in as level a position that is possible (AMM 09-11-00/201).

 S 582-008

 (2)  
Make the airplane level.

 (a)  
Look at the position of the ball in the inclinometers.

 (b)  
If the ball is not at the center of the inclinometer, adjust the pitch and the lateral attitude until it shows zero:

 

 WARNING: DO NOT SUPPLY MORE THAN 2000 PSI OF PRESSURE TO THE
_______ MAIN LANDING GEAR AND THE NOSE LANDING GEAR. TOO MUCH PRESSURE CAN CAUSE DAMAGE TO THE SHOCK STRUT AND INJURY TO PERSONS.
 1)  The first procedure is to inflate or deflate the applicable shock strut of the landing gear (AMM 12-15-03/301, (AMM 12-15-04/301, (AMM 12-15-05/301).
 2)  The second procedure is to lift the airplane on jacks at the jack points I, II, and III (AMM 07-11-01/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.

 

　
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