Hitachi W6VM Instruction Manual - Page 14

English MAINTENANCE AND INSPECTION WARNING: Be sure to switch power OFF and disconnect the plug from the receptacle during maintenance and inspection. 1. Inspecting the hex. socket (or bit) Since continued use of a worn hex. socket (bit) will damage screw heads, replace the hex. socket (bit) with a new one as soon as excessive wear is noticed. 2. Inspecting the screws Regularly inspect all screws and ensure that they are properly tightened. Should any of the screws be loosened, retighten them immediately. WARNING: Using this screw driver with loosened screws is extremely dangerous. 3. Maintenance of the motor The motor unit winding is the very "heart" of the power tool. Exercise due care to ensure the winding does not become damaged and/or wet with oil or water. 4. Cleaning the unit exterior Wipe off oil and stain on the unit exterior with a dried rag or a rag moistened with soapy water. 5. Inspecting the carbon brushes For your continued safety and electrical shock protection, carbon brush inspection and replacement on this tool should ONLY be performed by a Hitachi Authorized Service Center. 6. Service and repairs All quality power tools will eventually require servicing or replacement of parts because of wear from normal use. To assure that only authorized replacement parts will be used, all service and repairs must be performed by a Hitachi Authorized Service Center, ONLY. 7. Service parts list A: Item No. B: Code No. C: No. Used D: Remarks CAUTION: Repair, modification and inspection of Hitachi Power Tools must be carried out by a Hitachi Authorized Service Center. This Parts List will be helpful if presented with the tool to the Hitachi Authorized Service Center when requesting repair or other maintenance. In the operation and maintenance of power tools, the safety regulations and standards prescribed in each country must be observed. 14