(e)
Install the retainers that hold the hinge pins. 1) Make sure the seal goes above the retainer (Detail B). 2) Install the screws that hold the retainers.
S 394-038
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S 434-034
(4) If you removed the hinge screws, install the door: (a) Put the door in the opening. (b) Put the hinge in the correct location on the fuselage. (c) Install the screws in the hinge. (d) Hold the door with the hold-open rods.
S 434-035
(5) Install the bonding jumpers. (a) Clean the areas where the bonding jumpers touch the door. (b) Connect the bonding jumpers to the door.
S 414-036
(6) Close and latch the door.
S 824-037
(7) Do a check of the adjustment of the door latches (Fig. 401). (a) Make sure the forward edge of the door aligns with the fuselage between 0.00 and -0.06 inch.
(b) (c) (d) Make sure the inboard corners of the door touch the stop fittings.Change the length of the U-bolts in the latches if it is necessary to get the correct conditions. 1) You can use the nuts on the U-bolts to change their length. 2) It is optional to change the thickness of the shims on the spacer block to make these adjustments.Do a check of the force that is necessary to open a latch.
NOTE:____ The other latches can be locked or not locked for this check.
(e) 1) Use a 10-inch screwdriver to open the latch. 2) The force that is necessary to open the door must be between 10 and 30 pounds.Make sure the latch engages the U-bolt with the dimension shown (Section B-B). 1) Change the washers on the latch pivot bolt if it is necessary to get this dimension.
S 824-010
(8) Do a check of the door fit (Fig. 402). (a) Make sure the correct clearances are around the door. 1) Remove material from the edge of the door if it is necessary to get the correct clearance.
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C
C-C
APU Access Door Clearances Figure 402
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2) If you remove material, paint the area with alodine (Ref 51-21-04/701).
S 724-039
(9) Open and close the door to make sure it operates correctly.
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MAIN (FORWARD) ELECTRONIC BAY EXTERNAL ACCESS DOOR - REMOVAL/INSTALLATION
_________________________________________________________________________
1. General_______
A. This procedure contains two tasks:
(1)
The removal of the main (forward) electronic bay external access door
(2)
The installation of the main (forward) electronic bay access door.
B.
This procedure refers to the main (forward) electronic bay external access door as "the door".
TASK 52-48-03-004-001
2. Main (Forward) Electronic Bay Access Door Removal (Fig. 401)_________________________________________________
A. References
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：747-400 AMM 飞机维护手册 舱门 DOORS 4(39)
