I found this Thorens TD147 in my attic. It's my dads. But I was wondering if we had any experts on turntables here that new something about adjusting the tracking and all that good stuff. Thanks!

AVS forums would be your best bet.
I believe this forum is used for turntable questions.
AVS

I looked on Audioholics, did not really see anything.
From back in the day when vinyl was king, I remember calibration and using a smaller cartridge needle were important to keep from wearing down the vinyl.