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Craftsman 315.21234 Operator's Manual

10 in. compound miter saw double insulated
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OPERATOR'S MANUAL
10 in. COMPOUND MITER SAW
DOUBLE INSULATED
Model Nos.
315.212340
315.242340
WARNING
: To reduce the risk of injury,
the user must read and understand the
operator's manual before using this product.
Customer Help Line: 1-800-932-3188
Sears, Roebuck and Co., 3333 Beverly Rd., Hoffman Estates, IL 60179 USA
Visit the Craftsman web page: www.sears.com/craftsman
983000-517
6-04
Save this manual for future reference

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  Summary of Contents for Craftsman 315.21234

  • Page 1 Customer Help Line: 1-800-932-3188 Sears, Roebuck and Co., 3333 Beverly Rd., Hoffman Estates, IL 60179 USA Visit the Craftsman web page: www.sears.com/craftsman 983000-517 6-04 Save this manual for future reference...
  • Page 2: Table Of Contents

    ONE YEAR FULL WARRANTY ON CRAFTSMAN TOOL If this Craftsman tool fails due to a defect in material or workmanship within one year from the date of purchase, CONTACT THE NEAREST SEARS PARTS & REPAIR CENTER at 1-800-4-MY-HOME ® and Sears will repair it, free of charge.
  • Page 3: General Safety Rules

    KEEP WORK AREA CLEAN. Cluttered areas and benches invite accidents. DO NOT leave tools or pieces of wood on the saw while it is in operation. n DO NOT USE IN DANGEROUS ENVIRONMENTS. Do not use power tools in damp or wet locations or expose to rain.
  • Page 4: Specific Safety Rules

    DO NOT USE TOOL IF SWITCH DOES NOT TURN IT ON AND OFF. Have defective switches replaced by an authorized service center. n FIRMLY CLAMP OR BOLT your miter saw to a work- bench or table at approximately hip height. n KEEP HANDS AWAY FROM CUTTING AREA. Do not reach underneath work or in blade cutting path with your hands and fingers for any reason.
  • Page 5 NEVER stand or have any part of your body in line with the path of the saw blade. n ALWAYS release the power switch and allow the saw blade to stop rotating before raising it out of the workpiece. n DO NOT TURN THE MOTOR SWITCH ON AND OFF RAPIDLY.
  • Page 6: Symbols

    Some of the following symbols may be used on this tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer. SYMBOL NAME Volts Amperes Hertz Watt Minutes Alternating Current Direct Current No Load Speed...
  • Page 7: Save These Instructions

    The following signal words and meanings are intended to explain the levels of risk associated with this product. SYMBOL SIGNAL DANGER: WARNING: CAUTION: CAUTION: SERVICE Servicing requires extreme care and knowledge and should be performed only by a qualified service tech- nician.
  • Page 8: Electrical

    DOUBLE INSULATION Double insulation is a concept in safety in electric power tools, which eliminates the need for the usual three-wire grounded power cord. All exposed metal parts are isolated from the internal metal motor components with protecting insulation. Double insulated tools do not need to be grounded.
  • Page 9: Glossary Of Terms

    The distance that the tip of the saw blade tooth is bent (or set) outward from the face of the blade. Snipe (planers) Depression made at either end of a workpiece by cutter blades when the workpiece is not properly supported.
  • Page 10: Features

    PRODUCT SPECIFICATIONS Blade Diameter ......10 in. Blade Arbor ....... 5/8 in. No Load Speed .
  • Page 11: Know Your Compound Miter Saw

    10 in. BLADE A 10 in. carbide-tipped saw blade is included with your compound miter saw. It will cut materials up to 2 in. thick or 6 in. wide, depending upon the angle at which the cut is being made.
  • Page 12: Bevel Lock Knob

    HANDLE ADJUSTING KNOB SLIDING MITER FENCE The miter fence on your compound miter saw has been provided to hold your workpiece securely against when making all cuts; the left side is also larger providing addi- tional support. It has a sliding feature for clearance of the saw arm when making bevel or compound cuts.
  • Page 13: Tools Needed

    TOOLS NEEDED The following tools (not included) are needed for checking adjustments of your saw or for installing the blade: COMBINATION WRENCH (2) 10 mm,14 mm COMBINATION SQUARE FRAMING SQUARE PHILLIPS SCREWDRIVER Fig. 6...
  • Page 14: Loose Parts

    The following items are included with your Compound Miter Saw: n Dust Bag n Dust Guide n Table Extensions (2) n Clamp Brackets (2) n Clamp Bracket Screws (2) n Stop Block n Wing Nut n Miter Lock Handle DUST BAG...
  • Page 15: Assembly

    This product requires assembly. n Carefully lift saw from the carton by the carrying handle and the saw base, and place it on a level work surface. NOTE: This saw is heavy. To avoid back injury, lift with your legs, not your back, and get help when needed.
  • Page 16: Dust Guide

    DUST BAG See Figure 11. A dust bag is provided for use on this miter saw. It fits over the dust guide on the upper blade guard. To install, squeeze the two metal clips to open the mouth of the bag and slide it on to the dust guide.
  • Page 17: Table Extensions

    This will eliminate the possibility of trap- ping the workpiece, resulting in the saw blade and workpiece kicking up. Failure to heed this warning can result in serious personal injury.
  • Page 18: Work Clamp

    WORK CLAMP See Figure 14. The work clamp provides greater control by clamping the workpiece to the fence or the saw table. It also prevents the workpiece from creeping toward the saw blade. This is very helpful when cutting compound miters.
  • Page 19 Failure to do so could cause an accident since blade will not tighten properly. n Fit saw blade inside lower blade guard and onto spindle. The blade teeth point downward at the front of saw as shown in figure 15.
  • Page 20 NOTE: The hex key bolt has left hand threads. Turn bolt counterclockwise to tighten. n Using the blade wrench provided with the saw, tighten bolt securely. n Remove the blade wrench and store it in a safe place for future use.
  • Page 21 FENCE See Figures 20 - 23. n Unplug the saw. n Push down on the saw arm and pull out the lock pin to release the saw arm. n Raise saw arm to its full raised position. n Loosen the miter lock handle.
  • Page 22 SQUARING THE SAW BLADE TO THE FENCE See Figures 24 - 27. n Unplug the saw. n Pull the saw arm all the way down and engage the lock pin to hold the saw arm in transport position. n Loosen the miter lock handle.
  • Page 23 TABLE See Figures 28 - 30. n Unplug the saw. n Pull the saw arm all the way down and engage the lock pin to hold the saw arm in transport position. n Loosen the miter lock handles. n Rotate the miter table until the pointer is positioned at 0 °...
  • Page 24: Operation

    This saw has two scale indicators, one on the bevel scale and one on the miter scale. After squaring adjustments have been made, it may be necessary to loosen the indi- cator screws and reset them to zero. WARNING: Do not allow familiarity with tools to make you careless.
  • Page 25 TO MITER CUT n Pull out the lock pin and lift saw arm to its full height. n Loosen the miter lock handles. n Rotate the saw table until the pointer aligns with the desired angle on the miter scale.
  • Page 26 TO MAKE A COMPOUND CUT n Pull out the lock pin and lift saw arm to its full height. n Loosen the miter lock handles. n Rotate the saw table until the pointer aligns with the desired angle on the miter scale.
  • Page 27: Support Long Workpieces

    Grasp the saw handle firmly then squeeze the switch trigger. Allow several seconds for the blade to reach maximum speed. n Slowly lower the blade into and through the workpiece. n Release the switch trigger and allow the blade to stop rotating before raising the blade out of workpiece.
  • Page 28: Cutting Compound Miters

    CUTTING COMPOUND MITERS To aid in making the correct settings, the compound angle setting chart below has been provided. Since compound cuts are the most difficult to accurately obtain, trial cuts should be made in scrap material, and much thought and planning made, prior to making your required cut.
  • Page 29: Cutting Crown Molding

    CUTTING CROWN MOLDING The compound miter saw does an excellent job of cut- ting crown molding. In general, compound miter saws do a better job of cutting crown molding than any other tool made. In order to fit properly, crown molding must be compound mitered with extreme accuracy.
  • Page 30: Clamping Wide Workpieces

    Bevel Angle Type of Cut Setting Left side, inside corner 1. Top edge of molding against fence 33.85 ° 2. Miter table set right 31.62 3. Save left end of cut Right side, inside corner 1. Bottom edge of molding against fence 33.85 °...
  • Page 31: Adjustments

    The saw arm should rise completely to the up position by itself. n If the saw arm does not raise by itself or if there is play in the pivot joints, have saw repaired by a qualified service technician at your nearest Sears Service Center to avoid risk of personal injury.
  • Page 32: Maintenance

    Use a 5 mm hex key wrench to adjust the depth stop adjustment screw. The saw blade is lowered by turning the screw counterclockwise and raised by turning the screw clockwise.
  • Page 33 Do not attempt to activate the laser. The laser is activated by means of a centrifugal switch only while the saw motor is running and the laser guide is mounted on the saw. After cleaning laser guide and replacing batteries, secure laser guide cover to laser guide support using the two phillips head screws.
  • Page 34: Exploded View

    CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212340 & 315.242340 FIGURE A...
  • Page 35 CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212340 & 315.242340 The model number will be found on a plate attached to the motor housing. Always mention the model number in all correspon- dence regarding your Compound Miter Saw or when ordering repair parts.
  • Page 36 CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212340 & 315.242340 FIGURE B SEE NOTE NOTE : The assembly shown represents an important part of the double insulated system. To avoid the possibility of alteration or damage to the sys- tem, service should be performed by your nearest Sears Repair Center. Contact your nearest Sears retail store for service center information.
  • Page 37 CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212340 & 315.242340 The model number will be found on a plate attached to the motor housing. Always mention the model number in all correspondence regarding your Compound Miter Saw or when ordering repair parts.
  • Page 38 CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212340 & 315.242340 FIGURE C...
  • Page 39 CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212340 & 315.242340 The model number will be found on a plate attached to the motor housing. Always mention the model number in all correspondence regarding your Compound Miter Saw or when ordering repair parts.
  • Page 40 CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212340 & 315.242340 PARTS LIST - FIGURE D...
  • Page 41 CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212340 & 315.242340 The model number will be found on a plate attached to the motor housing. Always mention the model number in all correspondence regarding your Compound Miter Saw or when ordering repair parts.
  • Page 42 Get it fixed, at your home or ours! For repair – in your home – of all major brand appliances, lawn and garden equipment, or heating and cooling systems, no matter who made it, no matter who sold it! For the replacement parts, accessories and owner’s manuals that you need to do-it-yourself.

This manual is also suitable for:

315.24234315.212340315.242340