"The manual also indicates that the layshaft screw is an m3x0.5x8, it isn't its a M2.5 x 0.35 x8 turst me I lost one."

This is already corrected (in the actual box) with an extra page added to the manual. What I missed is the installation of the front bulkheads to the lower chassis. For most of us it is clear, but if I imagine this would be my first TC...