As for Lab Spinning Machine ,DW7020H Laboratory Drawing Machine Regular Maintenance:
One month after the initial installed, we should check all operating parts, adjust the belt tension, check the roller bearings and fasten screws. Each half a year later , we must check roller bearings, replace spindles and other lubricants ,adjust the belt tension and change worn components.
Requirements: switch power supply, cut off the preamp power and hang repair notices (power, equipment).