Omega Juicers Juicer 1000 Brand: Omega "model 561" Questions

Model 1000 and the problem: it has a lot vibration DIFFICULT TO USE. SHOULD HAVE GONE FOR THE 4000 WHICH EJECTS THE PULP. SOMETIMES THE BLADE JUMPS UP AND CUTS THE BOTTOM OF THE CHUTE IN- CREASING THE

Model 1000 broke off Cleaning person in my house broke it 3 years ago - thought they repaired it with the manufacturer - but I notice that they just glued it. What should I do to repair the arm/clamp?