Renault clio 2009 gt wiper issue

[Richard collinson]

Hey guys I'm just wondering if anyone could help me I recently had a sized wiper spline car I took the wiper arms of along the other bits I unsized it and now when I put it bk on my wipers won't Park on the first setting and even when. I turn the engine of the stay half way up the windscreen would any one help me solve this please as I've tried bringing the arm down and still no joy

Thanks for reading and I'd appreciate any replies