Ryobi JS480L Operation Manual - Page 10
General Cutting, Orbital Motion, Straight Cut, Warning, Angle Cutting Bevel Cutting, Scroll Cutting - blade
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OPERATION GENERAL CUTTING Rest the front of the saw base on the workpiece and align cutting edge of the blade with the line on your workpiece. Make sure the power cord is out of your way and not in the line of cut. Start the saw and move it forward on the work surface. Apply downward pressure to keep the saw steady and only enough forward pressure to keep the blade cutting. Do not force the saw. Applying too much forward pressure to the saw may overheat the motor and break saw blades. ORBITAL MOTION See Figures 6 and 7, page 13 - 14. The blade of the saw cuts in an orbital motion. This feature is adjustable and provides faster, more efficient cutting. With orbital motion the blade cuts through your work in the upstroke but does not drag across your work in the downstroke. To adjust the orbital motion, rotate the orbital adjustment knob to the desired setting. Refer to the chart in Figure 7 to find the right setting for the job you are attempting. NOTE: Setting the orbital position to a lower setting will result in a smoother finish but slower cut. A higher setting will result in a rougher finish but faster cut. STRAIGHT CUT See Figures 8, page 15. A straight cut can be made by clamping a piece of wood or straight-edge to the workpiece and guiding the edge of the saw against it. Make the cut from one direction only. Don't cut halfway and complete the cut from the opposite end. WARNING: To avoid possible serious injury, keep hands and fingers from between the gear housing and saw blade clamp, and keep the guard in place. WARNING: Excessive side pressure to the blade could result in broken blades or damage to the material being cut. ANGLE CUTTING (BEVEL CUTTING) See Figure 9, page 15. Bevel cutting angles may be adjusted from 0° to 45° right or left. Angles for cuts from 0° to 45° in 15° increments are marked on a scale on both the left and right side of the base. An arrow under the motor assembly provides an indicator at each of the above mentioned 15° increments. A protractor is recommended when accurate cuts are required. Unplug the saw. Unlock the base by moving the base adjustment lever forward. Slide the base forward to release it from the 0º detent position. Align the mark of the desired angle with the indicator arrow located on the housing. NOTE: For a 0º cut, slide the base back until it locks into the 0º detent position. Once the desired angle is reached, tighten the base adjustment lever by moving it back under the motor assembly. SCROLL CUTTING See Figure 10, page 15. Scroll cuts can be made with the jig saw by guiding the direction of the cut with applied pressure on the handle as shown. NOTE: Tighter tolerance scroll cutting may require the use of a scroll cutting blade (not included). WARNING: Excessive side pressure to the blade could result in broken blades or damage to the material being cut. PLUNGE CUTTING See Figure 11, page 15. NOTE: Use only a 7-teeth-per-inch blade for this type of cut. WARNING: To avoid loss of control, broken blades, or damage to the material being cut, always use extreme caution when making plunge cuts. We do not recommend plunge cutting on materials other than wood. Mark the line of cut clearly on the workpiece. Set the orbit adjustment to "0". Set the cutting angle at 0°. Tilt the saw forward so that it rests on the front edge of the base and blade will not come in contact with the workpiece when the saw is turned on. Make sure the blade is inside the area to be cut. Using high speed, start the saw and slowly lower the blade into the workpiece until the blade cuts through the wood. Continue lowering the blade into the workpiece until the base rests flat on the work surface, then move the saw forward to complete the opening. 10 - English