JD 275 disc cutter won't go down

The cutter is " suppose" to free fall but it seems to be getting hung, any ideas. It's only 3 yo and not worn out. See video. Thanks

Attached Files

•  trim.6B2BAE07-AC45-4D68-BC7A-E279A2EF7B5E.MOV   6.08MB   12 downloads

JD 275 disc cutter won't go down