Look/Rusco Awning Operator

I have a few of these that don't work well in my house and my windows won't close properly because of it. The main issue is that they will open fine but when I go to wind it shut, the handle will just unscrew itself from the crank. Replaced one with what I could find at Home Depot but doesn't work w ... (cont.)

Looking to replace 11 of the same style cranks and associated screws and hardware. 8 are mounted on the right hand and 3 to the left. Also looking for a recommended lubricant and maintenance manual.

Good afternoon, I looking to replace my awning operator. When we had it out, I measured 5 1/2 inches in length between the top and bottom holes and 2 3/8 between the holes on the little arm and 1 1/4 between the bottom holes. Such little differences in the measurements make me uneasy! ... (cont.)

Can you ID this part? Top hole is offset to the left. Top to bottom hole spacing is about 5.25". Bottom hole offset is about 1.25" Arm length is about 2.00"

Cast aluminum hand crank for 3 panel louvered window.