Casement window operators

A handy person from Connecticut says:
May 25, 2023
We purchased the house with casement windows and a number of the operators need to be replaced. I'm trying to identify the replacement parts. The only identifying number I see is on the bottom of the operator arm that looks like "50688" or perhaps "S0688". I dont see any other identifying numbers on either the window glass or frame. I think it would be relatively simple to replace the operators, but I need to figure out the part first. I have both full size and half-sized windows that I would need to identify the part for.
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Emily from SWISCO responded:
May 26, 2023

Hello there!

The operator in your photos looks like our 39-089 to me. The 39-090 would be for the opposite side. Have a look at the specifications and see if they match what you need for this repair. 
A handy person from Connecticut says:
May 26, 2023
This is great, thank you!

One other question about the windows. The screens are held to the window with these plastic clips that are set into the window frame with what looks like a pin instead of a screw. A number of the plastic clips have broken through use and need to be replaced.

Do I need a special tool to extract the old pins and replace them? And is there an option to use a screw instead of the pin to make them easier for future maintenance?
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Emily from SWISCO responded:
May 30, 2023

We have several clips that may replace this, depending on the offset. You can see our 70-210 and 70-209 to start out, but there are a ton of other choices. You can see our full selection here.

It looks like your old clips were installed using a pop rivet so you will have to drill it out to remove the clip from the window. From there, you can either use a pop rivet again or just a regular screw.
Window Dyad Crank, 5"
Window Dyad Crank, 5"
39-089
$43.70
Window Dyad Crank, 5"
Window Dyad Crank, 5"
39-090
$43.70
Flush Clip
Flush Clip
70-210
$0.27
Dimple Clip
Dimple Clip
70-209
$0.44
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