SINGER 484.1544180 (Sold at Sears) - Manual (Page 33)

Removing Light Buib
^ Remove face plate.
^ DO NOT attempt to unscrew bulb.
^ Press bulb into socket and turn in a counter­
clockwise direction to unlock pins.
^ Guide bulb out of socket.
This machine is designed to use a 15 watt maxi­
mum, bayonet-base bulb. (#20-6797)
^ Line up pins on bulb with slots in socket
and press upwards on bulb.
Turn bulb in a clockwise direction to lock
in place.
^ Replace face plate.
31