How do you replace this roller?

A handy person from Las Vegas, Nevada says:
April 19, 2017
I've been searching all over for these rollers. I have one question and that is how do you replace them? They appear to slide into a channel in the window. I removed the screw in the channel but they are pinned in by 'bends' in the channel. How do I get them out and put the new ones in. I've attached a picture of the broken parts but you can see in the picture that they used a chisel or screwdriver to 'break' the channel and thus pin the rollers in a specific area of the window.
Roller
Profile picture of Paul
Paul from SWISCO responded:
April 25, 2017
Yes, they pin the wheels in the channel to prevent the wheel assembly from sliding. We suggest getting a chisel or slot screw driver and tap it with a hammer open up one side of the channel to slide out the wheel assembly. After installing a new wheel, just re-pin the channel.
Sliding Window Roller, 5/16" Flat Wheel
Sliding Window Roller, 5/16" Flat Wheel
87-162
$2.75
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