Anderson wood casement windows - 1995ish with broken cranks

A home owner from Buffalo NY says:
October 28, 2017
Hello, I have Anderson wood casement windows throughout my home with about half that have cracked and broken what I would call "housing" on the inside of the window, and when we attempt to crank out, most will crank out, but will not close/ return. Can you help me identify the parts I need please? Can you steer me to where I can find the part/style#'s if needed?
I have attached images.
Thank you!
andersen operators
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Dave Sr. from SWISCO responded:
November 2, 2017
Sounds like the operators are worn, with the worm gear pulling out of the operator. I'm not sure which Andersen operators you have: the split arm, like the 39-146 and 39-147, or the straight arm, like the 39-094 and 39-095. Remove yours from the window and see if they match up to one of these operators. Check the dimensions and arm lengths to be totally sure.
Andersen Window Crank, 4-1/2"
Andersen Window Crank, 4-1/2"
39-147
$43.57
Andersen Window Crank, 4-1/2"
Andersen Window Crank, 4-1/2"
39-146
$43.57
Andersen Straight Arm Operator, 9 3/8" Arm
Andersen Straight Arm Operator, 9 3/8" Arm
39-094
$99.97
Andersen Straight Arm Operator, 9 3/8" arm
Andersen Straight Arm Operator, 9 3/8" arm
39-095
$99.97
Andersen Straight Arm Operator, 8-3/8" arm
Andersen Straight Arm Operator, 8-3/8" arm
39-150
$59.35
Andersen Straight Arm Operator, 8-3/8" arm
Andersen Straight Arm Operator, 8-3/8" arm
39-151
$59.35
Casement Window Handle, fits Andersen
Casement Window Handle, fits Andersen
39-286
$7.25
Andersen Classic Operator Cover
Andersen Classic Operator Cover
39-152
$6.17
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