AccessoriesIf an extension cord isnecessary, a cord withadequate size conductors that is capableof carrying the current necessary for yourtool must be used. This will preventexcessive voltage drop, loss of power oroverheating. Grounded tools must use 3-wire extension cords that have 3-prongplugs and receptacles.NOTE: The smaller the gauge number, theheavier the cord.RECOMMENDED SIZES OF EXTENSION CORDS120 VOLT ALTERNATING CURRENT TOOLS! WARNING-12-MaintenanceTool’sAmpereRatingCord Size in A.W.G. Wire Sizes in mm 23-66-88-1010-1212-1618 16 16 14 .75 .75 1.5 2.518 16 14 12 .75 1.0 2.5 4.018 16 14 12 .75 1.0 2.5 4.016 16 14 12 1.0 2.5 4.0 —14 12 — — — — — —25 50 100 150 15 30 60 120Cord Length in Feet Cord Length in MetersServiceNO USER SERVICE-ABLEPARTS INSIDE. Preventivemaintenance performed by unauthorizedpersonnel may result in misplacing ofinternal wires and components whichcould cause serious hazard. We recom-mend that all tool service be performed by aBosch Factory Service Center or AuthorizedBosch Service Station. SERVICEMEN:Disconnect tool and/or charger from powersource before servicing.BATTERIESBe alert for battery packs that are nearingtheir end of life. Battery packs typically lastfrom 500 to 1000 charges. If you noticedecreased tool performance or significantlyshorter running time between charges then itis time to replace the battery pack. Failureto do so can cause the tool to operateimproperly or damage the charger.Long term battery storage should be inthe discharged state. Battery packs lastlonger and re-charge better when they arestored discharged. Remember to fully re-charge battery packs before using afterprolonged storage.TOOL LUBRICATIONYour Bosch tool has been properlylubricated and is ready for use.D.C. MOTORSThe motor in your tool has been engineeredfor many hours of dependable service. Tomaintain peak efficiency of the motor, werecommend it be examined every sixmonths. Only a genuine Bosch replacementmotor specially designed for your toolshould be used.BEARINGSBearings which become noisy (due to heavyload or very abrasive material cutting) shouldbe replaced at once to avoid overheating andmotor failure.CleaningTo avoid accidents, alwaysdisconnect the tool and/orcharger from the power supply beforecleaning. The tool may be cleaned mosteffectively with compressed dry air. Alwayswear safety goggles when cleaning toolswith compressed air.Ventilation openings and switch levers mustbe kept clean and free of foreign matter. Donot attempt to clean by inserting pointedobjects through opening.Certain cleaning agents andsolvents damage plasticparts. Some of these are: gasoline, carbontetrachloride, chlorinated cleaning solvents,ammonia and household detergents thatcontain ammonia.! WARNING! WARNING! CAUTIONBM 2610917685 9-02 9/23/02 11:35 AM Page 12