Anderson C-9400-1A Arm number 1521101

Question

The crank will not close the window.
The gears skip when the window is almost shut

User submitted a photo of a window operator.

Dave Sr. · Accepted Answer

Looks like you have an older version of our 39-099. Andersen states this is the replacement for the #1521101. Take a look and see how well the dimensions match. Also be sure to check if you need to use the 39-362 adapter plate.