Casement window operator replacement parts

Question

What parts can be used for replacement?
I see
Truth
crank ID 45012
30744 on short piece

User submitted photos of a window operator.

Tom · Accepted Answer

Hm... I can't be sure without seeing the gears of the operator and measurements of the arm, but I would wager you have either 39-013 or 39-014. Try to visualize the operator sitting on your windowsill in order to determine which direction your arm needs to face. Let me know if you have trouble.