Nilfisk-Advance 3707 Instruction Manual

Also see for 3707: Instructions for use Instructions for use Instruction manual

3707 - 3907 - 3907 L, M, H - 3907/18 - 3907/18 L, M, H3707/10 - 3707/10 L, M, H - 3907 W - 3907 W L, M, HGBC65 10 01/2015Maintenance, cleaning and decontaminationATTENTION DANGER!NOTE: The precautions described below must be takenduring all the maintenance operations, including cleaningand replacing the main and Hepa filters.A. To allow the user to carry out the maintenanceoperations, the vacuum must be disassembled,cleaned and overhauled as far as is reasonablypossible, without causing hazards for the maintenancestaff or other people. The suitable precautions includedecontamination before disassembling the vacuum,adequate filtered ventilation for the air exhausted fromthe room in which it is disassembled, cleaning of themaintenance area and suitable personal protection.B. The external parts of class H and class M appliancesmust be decontaminated by cleaning and vacuumingmethods, dedusted or treated with sealant beforebeing taken out of a hazardous zone.All parts of the appliance must be considered ascontaminated when they are removed from thehazardous zone and appropriate actions must betaken to prevent dust from dispersing.When servicing work or repairs are carried out, all thecontaminated elements that cannot be cleaned wellmust be eliminated.These elements must be disposed of in sealed bagsconforming to the applicable regulations and inaccordance with the local laws governing the disposalof such material.This procedure must also be followed when the filtersare eliminated (main, Hepa and downstream filters).NOTE: Compartments that are not dust-tight must beopened with suitable tools (screwdrivers, wrenches, etc.)and thoroughly cleaned.C. Carry out a technical inspection at least once a year,e.g.: check the air filters to find out whether the air-tightness of the appliance has been impaired in anyway and make sure that the electric control paneloperates correctly. This inspection must be carried outby the manufacturer or by a competent person.ATTENTION DANGER!Only use genuine spare parts.How to disassemble and replace the main andHepa filtersATTENTION DANGER!When the vacuum cleaner is used to clean up hazardoussubstances, the filters become contaminated, thus:– work with care and avoid spilling the vacuumed dustand/or material;– place the disassembled and/or replaced filter in asealed plastic bag;– close the bag hermetically;– dispose of the filter in accordance with the currentlaws.ATTENTION DANGER!Filter replacement is a serious matter.The filter must be replaced with one of identicalcharacteristics, filter surface and category.Failing this, the vacuum cleaner will not operate correctly.Main filter replacementATTENTION DANGER!Check the Class of the vacuum cleaner (L - M - H).Take care not to raise dust when this operation is carriedout. Wear a P3 mask and other protective clothing plusprotective gloves (DPI) suited to the hazardous nature ofthe dust collected. Refer to the relative laws in force.Before proceeding with this operation, turn off the machine andremove the plug from the power socket.Disassembly– Remove the hose “A” (Fig. 12) from the lower outlet.– Release stop “B” (Fig. 12) and unscrew filter shaker knob“C”.– Release the two fastening latches “D” (Fig. 12) andremove lid “E”.– Lift filter “F” (Fig. 12), unscrew clamp “G” and remove ring“H”.– Unscrew cage “I” (Fig. 12) and turn the filter upside down.– Cut the plastic clamps “L” (Fig. 12) and detach the cagefrom the filter.Assembly– Fit the filter catch and retention ring of the old filter on tothe new one.– Insert cage “I” (Fig. 12) and fix it to the filter by means ofplastic clamps “L” on the bottom of the filter itself.– Fit the filter into filtering chamber then mount lid “E” (Fig.12) and lock it in place with the two fastening latches “D”.– Fit the filter shaker knob and lock it in the lowered positionby means of the stop so that the filter is kept stretched.– Fit the suction hose on the lower outlet.– Dispose of the filter in accordance with the laws in force.