Subtask 31-63-22-020-052
B. Removal of the ND CAPT (3WT1)
(1)
Push in the two locking catches (4).
(2)
If necessary, push up the handle (3) to decrease the load applied to the locking catches (4): the handle falls to the level of the studs.
(3)
Slowly and continuously lower the handle (4) to the bottom section of the screen: at the same time, the unit (2) moves out from the panel by approximately 3 cm.
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(4) Pull the handle (3) found at the removal point and disengage the unit
(2).
(5)
Remove the unit (2). Subtask 31-63-22-420-051
C.
Installation of the ND CAPT in place of the PFD CAPT
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
In the housing (8), make sure that:
-
the ventilation air inlet (7) is in the correct condition (flexible seal installed and duct not blocked)
-
the locking studs (5) and the movable locking hooks (6) are not damaged.
(4)
Make sure that the electrical connectors are clean and in the correct condition.
(5)
Install the unit (2) in the panel opening previously fitted with the PFD just removed. Fully move down the handle (3) to the bottom of the screen.
(6)
Push the unit until the locking studs (5) touch the movable locking hooks (at this time, the face of the unit must be out of the panel by approximately 3 cm).
(7)
Push the two sides of the unit (2) to connect the electrical connector (1). Let the handle (3) move up freely until it is at the level of the locking catches (4) (the unit is now in line with the panel).
(8)
Slowly and continuously move the handle (3) to its maximum position. In this position the two locking catches (4) are locked under the handle (3).
Subtask 31-63-22-020-053
D. Removal of the upper ECAM DU (4WT1)
(1)
Remove the thermoformed cover from the center instrument panel.
(2)
Push in the two locking catches (4).
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(3)
If necessary, push up the handle (3) to decrease the load applied to the locking catches (4): the handle falls to the level of the studs.
(4)
Slowly and continuously lower the handle (3) to the bottom section of the screen: at the same time, the unit (2) moves out from the panel by approximately 3 cm.
(5)
Pull the handle (3) found at the removal point and disengage the unit (2).
(6)
Remove the unit (2).
Subtask 31-63-22-420-052
E. Installation of the upper ECAM DU in place of the ND CAPT
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
In the housing (8), make sure that:
-
the ventilation air inlet (7) is in the correct condition (flexible seal installed and duct not blocked)
-
the locking studs (5) and the movable locking hooks (6) are not damaged.
(4)
Make sure that the electrical connectors are clean and in the correct condition.
(5)
Install the unit (2) in the panel opening previously fitted with the ND just removed. Fully move down the handle (3) to the bottom of the screen.
(6)
Push the unit until the locking studs (5) touch the movable locking hooks (at this time, the face of the unit must be out of the panel by approximately 3 cm).
(7)
Push the two sides of the unit (2) to connect the electrical connector (1). Let the handle (3) move up freely until it is at the level of the locking catches (4) (the unit is now in line with the panel).
(8)
Slowly and continuously move the handle (3) to its maximum position. In this position the two locking catches (4) are locked under the handle (3).
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F. Removal of the ND F/0 (3WT2)
Remove the thermoformed cover from the F/O main instrument panel.
(1)
Push in the two locking catches (4).
(2) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM 指示/记录系统 8
