Indeed.Per the parts manual there are some flat curved springs to set the tension. Item 39 and 59. May require more tension or they moved out of position. Many have installed wavy washers known as Belleville Washer when possible. It will put some tension on the scale and still allow to be rotated to a set number.
10-4, understood.Use a brass or soft tip set screw to not mar the running surface of the scale. This is to avoid a stiff spot due to a raised area from the set screw.