-
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.
 -Make sure that the polarization code on the body agrees with that on the mounting sleeve and insert the body in the mounting sleeve.
 -Push the body in the mounting can until the head is against the flange of the mounting can.
 ____
NOTE : If the body does not go fully in the mounting can, again do a check of the electrical polarization.
 -Insert the tool OUT87-1 in the slots of the tool OUT75. TORQUE the locking cam screws to between 0.010 m.daN (0.8849 lbf.in) to 0.015 m.daN (1.3274 lbf.in) to extend the cams.
 -Remove the tool OUT87-1 and the tool OUT75.

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 (3) Installation of 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 into 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.
 -Make sure that the yellow bands on the head and the body agree. Then fully push the head into the body.

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 Illuminated Pushbutton Switch - Installation of the Head
 NSA933666, NSA933680 and NSA933689
 Figure 006

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 _____________________________________________________________3. NSA933661 to 663, NSA933687 and NSA933688 (Direct Connection)
 A. P/N Identification
 NSA933661
 NSA933687 A 003
 NSA933688 B 002
 -------------
| | | | | --------Polarization code | | | ------------Head type code | ---------------------Standard P/N
 B. P/N Characteristics and Related Components NSA933661 Light - Indicator NSA933687 Switch - Pushbutton NSA933688 Switch - Pushbutton NSA933666 or NSA933680 Head used with NSA933661 NSA933689 Head used with NSA933687 and NSA933688 NSA933201 Lamp NSA933670 Adapter - Sealing NSA933667 (ECE P/N 710/715 KU01) Guard NSA933665 (ECE P/N VK1050, black) or NSA933671 (ECE P/N SV1304 S) Spacer used
 with NSA933661 to 663
 NSA937910 EA2000 Contact - Crimp Type

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 C. Equipment and Materials --------------------------------------------------------------------| ECE | EATON | FUNCTION | |-----------|------------------ -|---------------------------------| | OUT74 | 851-30486-510 | Extraction Tool -| | or | (ex MSC 584-901) | Body from Mounting Sleeve | | OUT86 | 58T-101 | | |-----------|--------------------|---------------------------------| | | 851-30486-510 | Extraction Tool -| | OUT74 | (ex MSC 584-901) | Head from body | | | 58T-101 | | |-----------|--------------------|---------------------------------| | | 851-30486-506 | Guiding Tool -| | OUT75 | (ex MSC 584-501) | Body Removal or Installation | | | 58T-108 | | |-----------|--------------------|---------------------------------| | OUT83 | | Extraction Tool -| | or | | | | NSA933684 | | Head from Body | |-----------|--------------------|---------------------------------| | OUT87-1 | 851-30486-508 | | | | (ex MSC 584-510) | | | | 58T-106 | | |-----------|------------------- | Screwdriver - Dynamometric | | POWELL DUFFRYN TLS022 | | | + Blade AM DP 27478 SP 0,3 X 3 | | |--------------------------------|---------------------------------| | No specific | Screwdriver | | | + blade width 3 mm (0.1181 in.) | --------------------------------------------------------------------
D. Removal
 (1) Remove the head from the body
 (Ref. Fig. 007)

 (a) For head NSA933666 or NSA933680
 _Release the head1
-Insert the blade of the tool OUT83 in the space between the body and the head, on the side with the yellow band.
 -Push the tool in the direction of the arrow until the handle touches the body. The head comes out by approximately 2 mm (0.0787 in.) .
 -Remove the tool OUT83 and pull out the head by hand. The head remains attached to the body.

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 Illuminated Pushbutton Switch - Removal of Head and Replacement of Lamp
 NSA933666, NSA933680, NSA933689 and NSA933201
　
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