There are special "track" pliers used to insert and remove pins (and a few other tasks). These pliers are basically lineman's pliers that have a hole cut in the jaws to accomodate track pins. You can use a standard pair of lineman's pliers if you don't close down to hard on the jaws.
I'll see if I can find the illustration on line to pull pins.
This is from the E Hobby tool ordering site.
To pull a pin, rotate the pliers 180 degrees and lever against the side of the "tie" while grasping the pin in the pliers jaws.
Bob Nelson
Modeling the "Fargo Area Rapid Transit" in O scale 3 rail.
ehobbytools.com
The ones form E Hoby are about $20.00. I referenced their site because they had a photo.
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