Chumsicles

Hello! I recently got a Technics SL-5 linear tracking table from craigslist and while it's mostly working, the tonearm seems to have trouble staying in the crevice on the little cue control lever; the cartridge gets pulled left and right quite a bit at the beginning of a side, and if I don't push the tone arm to the left a bit with my finger before playback, it gets pulled too much to the right after 2 minutes and it starts skipping across the record with the music sounding like it's being fast-forwarded. Is there any way to fix this? At first I thought something might be wrong with the tone arm belt or that it was a servo issue but manually orienting the tonea