S 824-016
(10)
Manually, raise the left forward door to contact the adjustment bolt of the forward doorstop.
(a)
Loosen the doorstop bolt for one full turn from the door.
S 284-017
(11)
With the door against the forward doorstop, do the step as follows:
(a)
Make sure the attach bolts installs easily through the control rod and the door clevis.
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A
747-400 MAINTENANCE MANUAL
(b) If it is necessary, adjust the operator rod end.
S 824-018
(12)
Remove the attachment bolt and turn the doorstop to door for one full turn.
S 824-034
(13)
Lower the door and do the three steps above again for the right door.
S 864-019
(14)
Operate the ground release handle of the nose landing gear to extend the door actuator.
S 424-020
(15)
Connect the operator rods to the right and the left forward of the doors for the nose landing gear.
S 864-021
(16)
Operate the release handle of the ground door to retract the doors of the nose landing gear.
S 284-022
(17)
Make sure you align the forward edge of the door to the fuselage (section A-A).
CAUTION:_______ MAKE SURE YOU HELP THE OPERATOR RODS DURING INSTALLATION.
FAILURE TO HELP THE OPERATOR RODS CAN CAUSE DAMAGE TO THE SKIN
OF THE AIRPLANE.
NOTE: The aft edge of the door must agree with the dimensions shown
____ in section B-B.
S 824-023
(18) If it is necessary, adjust the doors at the forward of the nose la nding gear as follows:
WARNING:_______MAKE SURE YOU CLEAR THE AREA OF THE DOOR OPERATION . IF THE DOOR OPENS IT CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(a)
Move the release handle for the nose landing gear to the open position (See "Ground Door Release Handle Open Operation").
(b)
Disconnect the two door operator rods from the doors.
(c)
Operate the ground release handle to the close position to retract the operator rods (See "Ground Door Release Handle Close Operation").
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747-400 MAINTENANCE MANUAL
(d)
Manually, hold the left door against the forward stop and do the step below. 1) Adjust the adjustment bolt of the doorstop until the door
aligns with the fuselage as shown in section A-A.
(e)
Manually, hold the left door up against the adjustment bolt of the aft stop and do the step below. 1) Adjust the stop until the aft edge of the door agrees with
the dimensions in Section B-B.
(f)
Do the two steps above again for the right door.
(g)
Manually, raise the left forward door to contact the adjustment bolt of the forward doorstop. 1) Loosen the doorstop bolt for one full turn from the door.
(h)
that attach bolt fits easily through control rod and door clevis with door against forward doorstop.
(i)
If it is necessary, adjust the end of the operator rod.
(j)
Remove the attachment bolt and turn the doorstop one full turn towards the door.
(k)
Lower the door and do the three steps above for the right door.
(l)
Connect the operator rods to the right and the left forward doors of the nose landing gear.
CAUTION: MAKE SURE YOU HELP THE OPERATOR RODS DURING INSTALLATION .
_______ FAILURE TO HELP THE OPERATOR RODS CAN CAUSE DAMAGE TO THE SKIN OF THE AIRPLANE .
(m)
Operate the ground release handle of the nose landing gear to extend the door actuator.
(n)
Operate the release handle of the ground door to retract the doors on the nose landing gear.
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本文链接地址：747-400 AMM 飞机维护手册 起落架 LANDING GEAR 3(179)
