Maintenance5‐22013 Nordson CorporationAll rights reservedMicroMaxIssued 12/13P/N 768635_11 Check the hopper for foreign materials, empty and clean if necessary. Changes in vibration and noise levels are easily identified as anindication to possible problems. Record the air flow at regular intervals; thus charted any degradationof system performance due to cartridge blocking will becomeimmediately apparent. Signs of powder leakage may be due to the cartridge seal leaking.Tighten up the cartridge after ensuring seal integrity Cartridges and final filters cannot be manually cleaned but must bereplaced. On units with final filters, powder leakage may not be noticed, but ifadequate records have been kept, the faults will be apparent. These will be damaged if they are stood on or allowed to becomedamp. They must be replaced; SMOOTH SIDE UP. Open the drop leg. Using a clean white cloth check for water, oil orother contaminants. Correct as necessary.2. Routine MaintenanceFan AssemblyCartridgesFluid Beds (where applicable)Compressed Air