tensioning

All I have a 129 that has been partly in bits for around three years. As my health improves I am starting to get stuck back into it. It's a 300 SL-24 with the m104.981 engine (which I suppose is a hybrid of m103 and m104 - having the twin cams but with good old fashioned plug leads and a...

Anyone ever had to change the fan belt tensioner mechanism (bolt)? I screwed it out to get the new belt on and now when I tighten, it won't pick up the thread to tension the belt. I was thinking about a small bearing puller to try and push it up to pick up the thread. Any suggestions?? How hard...