1989 Hurd casement window

A quick learner from Maryland says:
Hi, I am looking for an operator for a 1989 Hurd window, the pics are attached.
Thumbnail of the uploaded file named 2C624D6D-C86E-4683-9B1A-7EEE1DE6970A.jpeg
Thumbnail of the uploaded file named 093B6A76-F236-453E-8873-870DE1A8131C.jpeg
Thumbnail of the uploaded file named 2DA17D1F-2FFB-4C9A-BD5E-3E2D9594357D.jpeg
Thumbnail of the uploaded file named 86F2AAF1-2A9A-49F1-BA80-A8266FC5F5BB.jpeg
Thumbnail of the uploaded file named A9D0C960-A5AC-43E8-B850-9614BF0B6942.jpeg
A quick learner from Maryland says:
Another pic that may help
Thumbnail of the uploaded file named A485C535-3DE9-4327-8801-807B3DAEA5D5.jpeg
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:

Hello! I believe you're looking for the newer style 39-253RB Encore operator with the removable cover. Take a look at the items we've associated on the side of the page and compare our dimensions to yours to see if they match up. 

How to Orient a Dual-Arm Operator
How to Orient a Dual-Arm Operator
VIDEO
WATCH >
Comparing the 39-253LB & 39-438B Operators
Comparing the 39-253LB & 39-438B Operators
VIDEO
WATCH >
Anatomy of a casement window
Anatomy of a casement window
VIDEO
WATCH >
How to identify casement and awning operators
How to identify casement and awning operators
GUIDE
READ >
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 3-4 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at (888) 991-1929 or at help@swisco.com.