I've had a request to show how the Lionel actuators work with O, O27 and FastTrack, so here we go!
First off, the three major components, L-R: Actuator ramp, base plate and telltale.
The ramp fits into the base plate thusly:
The base plate clips onto the track, so:
Here's the complete assembly:
Assembly onto O scale track is the same as O27. Note how the end prongs of the actuator ramp fit into the web of the rail:
Working with FastTrack is rather different. Here, the ramp is held in place using a slot cut into the roadbed. Note how the end prongs are folded inwards a bit so that the ramp tab fits snugly.
Naturally, Shop Superintendent Norma Bates Kitteh watches to make sure all is done properly:
And Assistant Shop Superintendent Sylvia Siamese keeps an eye out for straying gi-raffes:
Mitch