Dewalt DCCS620B Instruction Manual - Page 12

English INTENDED USE Your DeWALT DCCS620 Chainsaw is ideal for pruning applications and cutting logs up to 10" (254 mm) in diameter. DO NOT use under wet conditions or in presence of flammable liquids or gases. This chainsaw is a professional power tool. DO NOT let children come into contact with the tool. Supervision is required when inexperienced operators use this tool. ASSEMBLY Installing the Guide Bar and Saw Chain (Fig. A, D-F, H) CAUTION: Sharp chain. Always wear protective gloves when handling the chain. The chain is sharp and can cut you when it is not running. WARNING: Sharp moving chain. To prevent accidental operation, ensure that battery is removed from the tool before performing the following operations. Failure to do this could result in serious personal injury. If the saw chain 5 and guide bar 4 are packed separately in the carton, the chain has to be attached to the bar, and both must be attached to the body of the tool. • Place the saw on a flat, firm surface. • Flip up locking lever and rotate the bar adjust locking knob 8 counterclockwise as shown in Figure D to remove sprocket cover 6 . • Wearing protective gloves, grasp the saw chain 5 and wrap it around the guide bar 4 , ensuring the teeth are facing the correct direction (see Figure H). • Ensure the chain is properly set in the slot around the entire guide bar. • Place the saw chain around the sprocket 18 . While lining up the slot on the guide bar with chain tensioning pin 20 , and the bolt 19 , on the base of the tool as shown in Figure E. • Once in place, hold the bar still, replace sprocket cover 6 . Make sure tool-free tension assembly bolt hole on the cover lines up with the bolt 19 , in the main housing. Flip up locking lever and rotate the bar adjust locking knob 8 clockwise until it clicks, then loosen knob one full turn, so that the saw chain can be properly tensioned. • Rotate the chain tensioning knob 9 clockwise to increase tension as shown in Figure F. Make sure the saw chain 5 is snug around the guide bar 4 . Tighten the bar adjust locking knob until it clicks. The bar is secure after three audible clicks are heard. Further tightening is not required. Fig. D Fig. E 18 19 20 Fig. F Adjusting Chain Tension (Fig. A, G ) CAUTION: Sharp chain. Always wear protective gloves when handling the chain. The chain is sharp and can cut you when it is not running. WARNING: Sharp moving chain. To prevent accidental operation, ensure that battery is removed from the tool before performing the following operations. Failure to do this could result in serious personal injury. • With the saw on a flat, firm surface, check the saw chain 5 tension. The tension is correct when the chain snaps back after being pulled 1/8" (3 mm) away from the guide bar 4 with light force from the index finger and thumb as shown in Figure I. There should be no "sag" between the guide bar and the chain on the underside as shown in Figure G. • To adjust saw chain tension, flip up locking tab and rotate the bar adjust locking knob 8 counterclockwise one full turn. Rotate the chain tensioning knob 9 clockwise until the chain tension is correct as instructed above. 10