Bosch 18636-01 Operating Instructions - Page 10

BM 2610944508 11-06 12/1/06 3:29 PM Page 10 INSERTING BITS Move reverse switch lever to the center "OFF" position. Remove battery pack and rotate the clutch ring to the drill bit symbol " ". Rotate the chuck sleeve counter- clockwise viewing from chuck end, and open chuck to approximate drill bit diameter. Insert a clean bit up to the drill bit flutes for small bits, or as far as it will go for large bits. Close chuck by rotating the chuck sleeve clockwise and securely tighten by hand (Fig. 4). ! WARNING Do not use the power of the drill while grasping chuck to loosen or tighten bit. Friction burn or hand injury is possible if attempting to grasp the spinning chuck. FIG. 4 CHUCK SLEEVE REMOVING CHUCK Rotate the clutch ring to the drill bit symbol " ". Open the chuck all the way, remove left-hand thread screw inside chuck by turning it clockwise (Fig. 4). Insert the short arm of a 1/2" hex key wrench and close jaws on flats of wrench (Fig. 5). Strike long arm of wrench sharply counterclockwise, remove wrench and unthread chuck from spindle. INSTALLING CHUCK Always keep the spindle threads, the threads of the chuck and securing screw free of debris. To install a chuck, reverse "removing the chuck" procedure. FIG. 5 AUXILIARY HANDLE The tool must be supported with the auxiliary handle, which can be swiveled 360˚. To reposition and/or swivel the handle, loosen the hand grip, move the handle to the desired position along the barrel and securely retighten the hand grip (Fig. 6). FIG. 6 BATTERY CHARGED CONDITION INDICATOR The battery is equipped with a charged condition indicator. GREEN INDICATOR LIGHTS By pressing the button ON, the charged condition can be checked when the battery is removed or when the machine is not in use. After approx. 5 seconds, the charged indicator switches off automatically. • • • When all three lights are illuminated, this indicates the battery pack is between 67% and 100% charged. • • When only two lights illuminate, this indicates the battery pack is between 33% and 66% charged. BUTTON RED INDICATOR LIGHT • When only one light illuminates, this indicates the battery pack is less than 33% charged. -10-