4 Maintaining the MSDTo clean the ion source1538 Dry the cleaned parts in an oven at 100 ° – 150 °C for 30 minutes.Take care to avoid recontaminating cleaned and dried parts. Put on new, cleangloves before handling the parts. Do not set the cleaned parts on a dirty surface.Set them only on clean, lint-free cloths.: $ 5 1 , 1 * /HWWKHVHSDUWVFRROEHIRUH\RXKDQGOHWKHP