The ring and pinion gears sound like they need adjusted ? the slicer warms up and it starts a viborating sound ..? can the gears be adjusted ? can you replace the gears ? when i turn the motor a bit it will turn 90 degrees before the gear catches ...? is it out of adjustment ? what to do ? it is a Hobart slicer ...blade is made in Germany ...auto sharpen .....richvelde@yahoo.com ......Thanks .....:}