Remove the scale platform (the metal plate on top) and ensure the internal pivot points and levers are free of packing debris or dust. Mechanical scales are open to the environment; a single grain of sand stuck in the spring mechanism can cause "stiction," where the needle gets stuck at a specific weight.
Calibrate the scale with no load on the pan. baker universal 2000 scale manual
For many Baker/McKesson models, this involves holding specific keys (like 'Cal' or a combination) during power-up. Remove the scale platform (the metal plate on
: Complete operating manuals are occasionally available through Lab Liquidators . baker universal 2000 scale manual