Thorens TD280 ii drive belt slipping


Have just got hold of a lovely Thorens TD 280 mk 2 turntable- lovely sound from those dusted-off old records. The drive belt is new(although not Thorens badged)but keeps slipping off the pulley wheel. Any advice on correcting this would be appreciated.

Tim
tp005a5164e8a3
If you think the belt is the wrong size, you gan get a new one at:

www.turntablebasics.com

www.elexatelier.com/atelier1.htm