Craftsman 11580 Operation Manual - Page 12

KEYLESSCHUCK See Figure 6. The drill has a keyless chuck to tighten or release drill bits in the chuck jaws. Grasp and hold the collar of the chuck with one hand. Rotate the chuck body with your other hand. The arrows on the chuck indicate which direction to rotate the chuck body in order to LOOK (tighten) or UNLOCK (release) the drill bit. _L WARNING: Do not hold chuck body with one hand and use power of the drill to tighten the chuck jaws on the drill bit. The chuck body could slip in your hand, or your hand could slip and come in contact with the rotating drill bit. This could cause an accident resulting in serious personal injury. CHUCK JAWS UNLOCK (RELEASE) CHUCK COLLAR TWO-SPEED GEAR TRAIN See Figure 7. The drill has a two-speed gear train designed for drilling or driving at LO (1) or Hi (2) speeds. A slide switch is located on top of the drill to select either LO (1) or HI (2) speed. When using drill in the LO (1) speed range, speed will decrease and unit will have more power and torque. When using drill in the Hi (2) speed range, speed will increase and unit will have less power and torque. Use LO (1) speed for high power and torque applications and Hi (2) speed for fast drilling or driving applications. TWO-SPEED GEARTRAIN(HI-LO_ 1LL) LO SPEED SPEED DRILLBIT LOCK (TIGHTEN) CHUCK BODY Fig. 6 Fig. 7 12