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时间:2011-04-12 10:20来源:蓝天飞行翻译 作者:航空
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 (g)  
Apply force to the gland seating tool to put the assembled parts in the outer cylinder (2). 1) Use the jacks installed below the truck to lift the truck


 symmetrical. 2) Lift the truck until the gland nut (9) on the yoke touches the seating tool.
 WARNING:_______DO NOT APPLY UNWANTED FORCE WITH THE JACKS. THIS WILL CAUSE DAMAGE TO THE YOKE, THE GLAND NUT AND THE SEATING TOOL. IT ALSO CAN CAUSE INJURY TO PERSONS.
 3) Carefully lift the truck. 4) Carefully push the assembled parts into the outer cylinder until the parts move into the outer cylinder (2). 5) During the jack, make sure it moves freely.
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 32-13-02
 ALL  ú ú 03A Page 824 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 6)  Make sure not too much force is applied to the seating tool through the gland nut (9) and the yoke.
 NOTE: Resistance will increase because of the seal
____ friction while the seal (6) moves into the seal guide tool. The resistance will decrease after the seal is through the guide.
 (h)  
Decrease the jack pressure lightly and remove the gland seating tool and the seal guide tool.

 WARNING:_______DO NOT LET YOUR SKIN TOUCH THE MATERIAL. CORROSION INHIBITION MATERIAL CONTAINS FLAMMABLE AND POISONOUS MATERIALS. SPEAK WITH THE MANUFACTURER, FIRE, INDUSTRIAL HYGIENE AND SAFETY ORGANIZATIONS, ON THE NECESSARY EQUIPMENT, AND PROCEDURE FOR THIS MATERIAL. FLUSH THE MATERIAL FROM THE SKIN OR FROM THE EYES IMMEDIATEY WITH WATER. PROVIDE MEDICAL AID TO ANY PERSON WITH AN INJURY IMMEDIATELY.

 (i)  
Apply the corrosion inhibition material to the gland nut threads.


 CAUTION: DO NOT TIGHTEN THE GLAND NUT (9) MORE THAN THE TORQUE
_______ LIMIT TO ALIGN THE SLOTS. TOO MUCH TORQUE DOES NOT MAKE A BETTER SEAL AND CAN CAUSE DAMAGE TO PARTS.
 (j)  
Use the wrench adapter for the lower gland nut to install the gland nut (9).

 (k)  
Tighten the gland nut (9) 2100 to 2400 pound-inches.

 (l)  
Align the nearest lock tab slots.

 (m)  
Make sure that (the dimension A minus 7.924) is equal to the dimension B | 0.030 inches (Fig. 802). 1) If the dimension B is less than the limits, disassemble the

 shock strut. 2) Do a check for the twisted seals or the clearance between the parts.

 (n)  
After you assemble and tighten parts correctly, install the lockplate.

 G.  
Put the airplane back to its usual condition.


 S 118-058
 (1)  Rub the open part of the inner cylinder (13) with hydraulic fluid specified on the shock strut nameplate.
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 32-13-02
 ALL  ú ú 03A Page 825 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 S 588-059
 (2)  
Put the weight of the airplane back to the landing gear (AMM 07-11-01/201).

 S 618-060

 (3)  
Do the servicing of the shock strut for the body landing gear (AMM 12-15-04/301).

 S 938-061

 (4)  
Remove the label "one or two sets of spare seals were used" if it is there.


 S 098-100
 WARNING: YOU MUST CAREFULLY DO THE STEPS BELOW TO REMOVE THE DOOR LOCKS
_______ FROM THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (5)  
Do this task: "Removal of the Door Locks from the Wing Landing Gear" (AMM 32-00-30/201).

 S 098-101

 (6)  
Do this task: "Removal of the Door Locks from the Body Landing Gear" (AMM 32-00-30/201).


 TASK 32-13-02-368-116
 4.  Inner Cylinder Seals Replacement with Spare Seals (Without The Use of the_________________________________________________ Airplane Jack) (Fig. 801)
 A.  General
 (1)  
You can replace the lower seals for the body landing gear with the spare seals without the airplane jacks. The spare seals are contained in the shock strut. You can fill the shock struts for the wing and the nose landing gears with oil. It is necessary to extend the shock strut for the body landing gear to permit the seal replacement.
 
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