Removing the lens cell on the flt120

[Fms50]

I have coma across the entire image of the flt120. The coma rotates along with the focuser rotation. I contacted WO and they said for me to return the lens cell to them. I see no indentations for a Spanner wrench so does anyone know if it just unscrews from the tube?

[bosun21]

15 minutes ago, Fms50 said:

I have coma across the entire image of the flt120. The coma rotates along with the focuser rotation. I contacted WO and they said for me to return the lens cell to them. I see no indentations for a Spanner wrench so does anyone know if it just unscrews from the tube?

Have you checked your focuser for tilt? This would cause the coma to rotate with the focuser. 

Edited March 8 by bosun21
Typo

[Fms50]

That’s what I told WO. They said send only the cell. I think the problem is with the focuser. How do I tell if it is focuser tilt?