Hardware replacement for 37 year old Marvin casement windows and how to replace it

Handy Person from Newtown, PA
How can I access the screws to replace the hardware for 37 year old Marvin windows?
It looks like the wood covering part of the base would need to be removed.
Thanks
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Jasmine
Jasmine from SWISCO
SWISCO
Expert

This window operator can be replaced with either the 39-032 EntryGard Dual Arm Operator or the 39-156 Caradco Window Crank. To determine which of these is the best replacement, you'll need to carefully compare the dimension for the link arm.

You'll find the opposite version of each operator, along with the compatible hardware and accessories tagged below.

Dimensions for 39-032
Dimensions for 39-032

Dimensions for 39-156
Dimensions for 39-156

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