For the correct maintenance of the Equipment it is necessary to follow the instructions that follow: the upholstery must be cleaned with water and a microfiber cloth. For stains that do not jump with water, you can use a small spoonful of liquid detergent or powder, diluted in two liters of water. Springs should be changed every two years to ensure tension and safety. The wheels must be cleaned and lubricated periodically in order to guarantee the proper functioning of the bearings. The regulating bars of the springs must be cleaned and lubricated periodically to guarantee their proper functioning. The guides on which the wheels of the trolley slide must be cleaned and lubricated periodically in order to guarantee the good sliding of the wheels.