Dick SM-140 UltraSharp 230V - Manual (Page 33)

Belt grinder SM-140 33
Servicing and maintenance
9
After finishing all repairs and servicing work, check that all
dismantled parts have been completely and correctly installed,
especially the covers.
After changing a trial run must be carried out for 1 minute.
In case of unusual behaviour, switch off the machine and
correct the cause.