a. Use compressed air or professional equipment to clean the surface of the workpiece;

b. Do not clean with water or a high-pressure cleaner;

c. Do not use acids or acidic cleaners;

d. After cleaning, protect the mold with clean oil;

e. Check if the mold is damaged after use;

f.  Make sure all screw connections are tightened;

g. Replace the damaged cables, plugs, and hydraulic connections as soon as discovered;

h. Maintenance work can only be carried out by trained personnel.