Dewalt DCF897P2 Instruction Manual - Page 15
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English FIG. 7 C FIG. 8 C I DCF899H I DCF897 To remove an accessory, grasp the accessory and firmly pull it off. NOTE: The thru-hole (Fig. 8) allows an O-ring with retaining pin or a 1-piece retaining pin to be used to help secure sockets and accessories to the tool. ANVIL WITH QUICK-RELEASE CHUCK (FIG. 9) DCF898 NOTE: The chuck accepts 7/16" (11 mm) hex accessories only. To install an accessory, pull the chuck collar (J) away from the front of the tool, insert the accessory and release the collar. The accessory is locked in place. To remove an accessory, pull the chuck collar away from the front of the tool. Remove the accessory and release the collar. FIG. 9 Usage Your impact tool can generate the following maximum torque values (Speed 3, Speed 2, Speed 1). NOTE: Output torque is dependent on the speed selected, with the highest provided in Speed 3. Ft.-Lbs. Nm Cat # Speed 3/2/1 Speed 3/2/1 DCF897 700/300/100 950/400/130 DCF898 500/300/100 680/400/130 DCF899, DCF899H 700/300/100 950/400/130 CAUTION: Ensure fastener and/or system will withstand the level of torque generated by the tool. Excessive torque may cause breakage and possible personal injury. 1. Place the accessory on the fastener head. Keep the tool pointed straight at the fastener. 2. Press switch to start operation. Release switch to stop operation. Always check torque with a torque wrench, as the fastening torque is affected by many factors including the following: • Voltage: Low voltage, due to a nearly discharged battery, will reduce fastening torque. • Accessory size: Failure to use the correct accessory size will cause a reduction in fastening torque. • Bolt size: Larger bolt diameters generally require higher fastening torque. Fastening torque will also vary according to length, grade, and torque coefficient. DCF898 J 13