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_2 Remove the head from the body - Insert the screwdriver blade between the body and the retainer. - Lift the retainer slightly in the direction of the arrow until it comes out. - Remove the head and retainer assembly.
(b) For head NSA933689
_1 Release the head - Install the tool OUT74 on each side of the head. - Press the blades of the tool. - Pull the tool in the direction of the arrow F1 until the head comes out from the body. - The head remains attached to the body. - Remove the tool OUT74
_2 Remove the head from the body - Insert the screwdriver blade between the body and the retainer. - Lift the retainer slightly in the direction of the arrow until it comes out. - Remove the head and retainer assembly.
(2) Replace a lamp (NSA933201) (Ref. Fig. 007)
R R R R _______CAUTION : DO NOT TOUCH THE LAMP GLASS WITH YOUR FINGERS. THE OILS FROM YOUR SKIN WILL QUICKLY CAUSE DETERIORATION OF THE LAMP. IF YOU ACCIDENTALLY TOUCH THE LAMP GLASS, CLEAN IT WITH A LINT-FREE CLOTH.
R
(a) Release the head (Ref. para. 3.D.(1))
(b) Replace the lamp - Turn the head of the pushbutton to get access to the lamps. - Remove the lamp from its housing and install a new lamp. - Install the head (Ref. para. 3.E.(1)(c)).
(3) Remove the body (NSA933661 thru NSA933663, NSA933687 or NSA933688) (Ref. Fig. 008)
(a) Remove the head (Ref. para. 3.D.(1))
Illuminated Pushbutton Switch - Removal of the Body
NSA933661 thru NSA933663, NSA933687 and NSA933688
Figure 008
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(b) Remove the body
-
Insert the tool OUT75 in the body with the slots in line with the locking cam screws.
-
Insert the screwdriver (no specific) in the slots and turn the screws counter-clockwise approximately half a turn to retract the locking cams.
-Remove the screwdriver and the tool OUT75.
-Press the blades of the tool OUT74 or OUT86 and insert the blades in the body until the two stops (one on each side of the tool) touch the body.
-Release the pressure on the blades (the tool studs engage in the holes of the body).
-Pull the handle of the tool in the direction of the arrow F2 to extract the body from the mounting sleeve.
-Press the blades to remove the tool from the body.
E. Installation
(1) Direct installation of the pushbutton switch on the instrument panel (NSA933661 thru NSA933663). (Ref. Fig. 009, 010)
(a)
Remove the head (Ref. para. 3.D.(1))
(b)
Install the body
-
Insert the tool OUT75 in the body with the slots in line with the locking cam screws.
-
Insert the screwdriver (no specific) in the slots and turn the screws counter-clockwise approximately half a turn to retract the locking cams.
-Remove the screwdriver (no specific) and leave the tool OUT75 in position.
-Slide the mounting sleeve back and remove it. Remove the spacer (if not used).
-If necessary, install the guard or the applicable spacer on the body.
-Insert the body in the panel cutout. Make sure that the guard or spacer (if installed) is correctly positioned under the flange on the body.
-Slide the mounting sleeve on the body in the correct direction for the thickness of the panel as shown on the View G or H (mounting sleeve end A or B).
-Insert the tool OUT87-1 in the slots of the tool OUT75. TORQUE the locking cam screws to between 0.10 m.daN (8.8495 lbf.in) and 0.15 m.daN (13.2743 lbf.in) to extend the cams.
-Remove the tool OUT87-1 and the tool OUT75.
-Install the head. (Ref. para. 3.E.(1)(c)).
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Illuminated Pushbutton Switch - Installation on the Panel
NSA933661 thru NSA933663
Figure 009
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Illuminated Pushbutton Switch - Installation of the Body on the Panel
NSA933661 thru NSA933663
Figure 010
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(c) Install the head on the body
(Ref. Fig. 006)
-Make sure that the lamps are installed.
-Put the head and retainer assembly in position with the yellow band on the same side as the yellow band on the body.
-Tilt the head and the retainer assembly. Insert the assembly in the body until the guide pin 1 of the retainer engages in track
1.
-Make sure that the retainer is in the position shown. (Ref. Fig. 006)
-With a screwdriver (no specific), turn the retainer in the direction of the arrow until the guide pin 2 of the retainer engages in track 2.
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本文链接地址：A320 ESPM Electrical Standard Practices Manual 3(66)
