Craftsman 315.212350 Operator's Manual

12" compound miter saw double insulated
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OPERATOR'S MANUAL
12 in. COMPOUND MITER SAW
DOUBLE INSULATED
Model No.
315.212350
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
983000-550
8-23-06 (REV:00)
®
Save this manual for future reference

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  Summary of Contents for Craftsman 315.212350

  • 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 Save this manual for future reference 983000-550 8-23-06 (REV:00)
  • 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

    GENERAL SAFETY RULES WARNING:  SECURE WORK. Use clamps or a vise to hold work Read and understand all instruc- tions. Failure to follow all instructions listed below, when practical. It's safer than using your hand and may result in electric shock, fire and/or serious frees both hands to operate tool.
  • Page 4: Specific Safety Rules

    GENERAL SAFETY RULES  INSPECT TOOL CORDS PERIODICALLY. If damaged,  USE ONLY CORRECT BLADES. Do not use blades have repaired by a qualified service technician at with incorrect size holes. Never use blade washers or an authorized service facility. The conductor with blade bolts that are defective or incorrect.
  • Page 5 SPECIFIC SAFETY RULES  NEVER hand hold a workpiece that is too small to be  ALWAYS STAY ALERT! Do not allow familiarity (gained clamped. Keep hands clear of the cutting area. from frequent use of your saw) to cause a careless mistake.
  • Page 6: Symbols

    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 DESIGNATION/EXPLANATION Volts Voltage Amperes Current Hertz Frequency (cycles per second)
  • Page 7: Symbols

    SYMBOLS The following signal words and meanings are intended to explain the levels of risk associated with this product. SYMBOL SIGNAL MEANING DANGER: Indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury. WARNING: Indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury.
  • Page 8: Electrical

    ELECTRICAL DOUBLE INSULATION EXTENSION CORDS Double insulation is a concept in safety in electric power When using a power tool at a considerable distance from tools, which eliminates the need for the usual three-wire a power source, be sure to use an extension cord that has grounded power cord.
  • Page 9: Glossary Of Terms

    GLOSSARY OF TERMS Anti-Kickback Pawls (radial arm and table saws) Non-Through Cuts A devise which, when properly installed and maintained, Any cutting operation where the blade does not extend is designed to stop the workpiece from being kicked back completely through the thickness of the workpiece. toward the front of the saw during a ripping operation.
  • Page 10: Features

    FEATURES PRODUCT SPECIFICATIONS Cutting Capacity with Miter at 0°/Bevel 0°: Blade Diameter......12 in. Maximum nominal lumber sizes: ....2 x 8, 4 x 4 Blade Arbor .
  • Page 11: Know Your Compound Miter Saw

    FEATURES KNOW YOUR COMPOUND MITER SAW SPINDLE LOCK BUTTON See Figure 1. See Figure 3. Before attempting to use this product, familiarize yourself A spindle lock button has been provided for locking the with all operating features and safety rules. spindle which keeps the blade in your saw from rotating.
  • Page 12: Tools Needed

    FEATURES LASERTRAC™ LASER GUIDE SLIDING MITER FENCE For more accurate cuts, a LaserTrac™ laser guide is Hold the workpiece securely against the miter fence when included with your miter saw. When used properly, the making all cuts. The sliding feature allows both fences (left laser guide makes accurate, precision cutting simple and and right) to be moved when making bevel or compound easy.
  • Page 13: Loose Parts

    LOOSE PARTS The following items are included with your Compound Miter Saw:  Work Clamp  Dust Bag  Dust Guide  Blade Wrench  Outer Blade Washer  Table Extensions (2)  Bolt  Clamp Bracket  Clamp Bracket Bolt ...
  • Page 14: Assembly

    ASSEMBLY UNPACKING WARNING: Do not attempt to modify this tool or create accessories not recommended for use This product requires assembly. with this tool. Any such alteration or modification is  Carefully lift saw from the carton by the carrying handle misuse and could result in a hazardous condition and the saw base, and place it on a level work surface.
  • Page 15: Dust Guide

    ASSEMBLY As mentioned previously, the saw has been factory assembled and adjusted. MITER LOCK HANDLE See Figure 8. Cut the tie-wraps holding the saw arm and the miter lock EXHAUST in place. To install the miter lock handle, place the thread- PORT ed stud into the threaded hole in the control arm.
  • Page 16 ASSEMBLY TABLE EXTENSIONS BRACKET BASE See Figures 11 - 12. SUPPORT TABLE Table extensions can be installed in either the left or the EXTENSION right side of the base. To install:  Insert the ends of the table extensions into the holes in the side of the base and adjust the extensions to the desired length.
  • Page 17: To Install Blade

    ASSEMBLY WARNING: When using the work clamp with the stop block, install the clamp on the same side as the stop block. 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 ASSEMBLY  Unplug the saw. LOWER BLADE  Loosen phillips screw on the blade bolt cover until GUARD BRACKET blade bolt cover can be raised.  Gently raise the lower blade guard bracket, releasing PHILLIPS SCREW lower blade guard from notch so that lower blade guard and blade bolt cover can be rotated up and back to expose the blade bolt.
  • Page 19 ASSEMBLY MOUNTING THE LASER GUIDE ALIGNING THE LASER GUIDE LINE See Figure 19. See Figure 20.  Unplug the saw. The laser guide will generate a red colored line on the work surface when the blade is spinning above 500 rpm. See "To Install Blade"...
  • Page 20 ASSEMBLY NOTE: Many of the illustrations in this manual show only MITER TABLE FENCE FRAMING portions of the compound miter saw. This is intentional so SQUARE that we can clearly show points being made in the illustrations. Never operate your saw without all guards securely in place and in good operating condition.
  • Page 21 ASSEMBLY SQUARING THE SAW BLADE TO THE FENCE See Figures 25 - 28.  Unplug the saw. BLADE FENCE  Pull the saw arm all the way down and engage the lock pin to hold the saw arm in transport position. ...
  • Page 22 ASSEMBLY SQUARING THE BLADE TO THE MITER TABLE See Figures 29 - 31.  Unplug the saw. FENCE  Pull the saw arm all the way down and engage the lock pin to hold the saw arm in transport position. ...
  • Page 23: Operation

    ASSEMBLY This saw has three scale indicators, two on the bevel scale and one on the miter scale. After squaring adjust- ments have been made, it may be necessary to loosen the indicator screws and reset them to zero. FENCE BLADE COMBINATION MITER...
  • Page 24 OPERATION NOTE: Always check for interference between the blade  Tighten the miter lock handle securely. and the sliding miter fence BEFORE attempting to make WARNING: To avoid serious personal injury, always a cut. Some compound miter cuts require the sliding miter tighten the miter lock handle securely before making fence to be moved or completely removed before making a cut.
  • Page 25 OPERATION TO BEVEL CUT  Once the saw arm has been set at the desired angle, securely tighten the bevel lock knob. See Figures 34 - 35.  Place the workpiece flat on the miter table with one A bevel cut is made by cutting across the grain of the edge securely against the fence.
  • Page 26 OPERATION TO MAKE A COMPOUND MITER CUT  Recheck miter angle setting. Make a test cut in scrap material. A compound miter cut is a cut made using a miter angle  Place the workpiece flat on the miter table with one and a bevel angle at the same time.
  • Page 27: Support Long Workpieces

    OPERATION SUPPORT LONG WORKPIECES See Figure 38. Long workpieces need extra supports. Supports should be placed along the workpiece so it does not sag. The support should let the workpiece lay flat on the base of the saw and work table during the cutting operation. Use the optional work clamp or a C-clamp to secure the workpiece.
  • Page 28: Cutting Compound Miters

    OPERATION 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 OPERATION CUTTING CROWN MOLDING When setting the bevel and miter angles for compound miters, remember that the settings are interdependent; The compound miter saw does an excellent job of cut- changing one angle changes the other angle as well. ting crown molding. In general, compound miter saws do a better job of cutting crown molding than any other tool Keep in mind that the angles for crown moldings are very made.
  • Page 30 OPERATION molding. Also most walls do not have angles of exactly , therefore, you will need to fine tune your settings. ° When cutting crown molding by this method the bevel angle should be set at 0 . The miter angle should be set at °...
  • Page 31 OPERATION MARKINGS ON THROAT PLATE Fig. 42 WRONG CUTTING WARPED MATERIAL Fig. 44 See Figures 43 - 44. When cutting warped material, always make sure it is ARNING: To avoid a kickback and to avoid positioned on the miter table with the convex side serious personal injury, never position the concave against the fence as shown in figure 43.
  • Page 32: Adjustments

    ADJUSTMENTS WARNING: PIVOT ADJUSTMENTS Before performing any adjustment, make sure the tool is unplugged from the power NOTE: These adjustments were made at the factory and supply and the switch is in the OFF ( O ) position. normally do not require readjustment. Failure to heed this warning could result in serious TRAVEL PIVOT ADJUSTMENT personal injury.
  • Page 33: Maintenance

    MAINTENANCE BRUSH WARNING: When servicing, use only identical BRUSH ASSEMBLY replacement parts. Use of any other part may create BRUSH a hazard or cause product damage. WARNING: BRUSH Always wear safety goggles or safety ASSEMBLY glasses with side shields during power tool operation or when blowing dust.
  • Page 34 MAINTENANCE CHANGING THE BATTERIES SCREWS See Figure 48.  Unplug the saw. LASER GUIDE Remove the laser guide from the saw. Lay laser guide on SUPPORT a flat surface with the two phillips screws facing upward. Remove the screws and separate the laser guide cover from the laser guide support.
  • Page 35: Maintenance

    MAINTENANCE BELT REPLACEMENT See Figure 49. BELT COVER The saw is powered by a belt-driven motor. Periodically check the belt for wear and replace it when necessary. Proceed as follows when replacement is required:  Unplug the saw. HOUSING WARNING: Failure to unplug the saw could result in accidental starting causing serious injury.
  • Page 36 NOTES...
  • Page 37: Exploded View

    CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212350 Figure A...
  • Page 38: Purchase

    CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212350 The model number will be found on a plate attached to the motor housing. Always mention the model number in all correspondence regarding your MITER SAW or when ordering repair parts. PARTS LIST FOR FIGURE A...
  • Page 39: Purchase

    CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212350 The model number will be found on a plate attached to the motor housing. Always mention the model number in all correspondence regarding your MITER SAW or when ordering repair parts. PARTS LIST FOR FIGURE A...
  • Page 40 CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212350 Figure B...
  • Page 41: Purchase

    CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212350 The model number will be found on a plate attached to the motor housing. Always mention the model number in all correspondence regarding your MITER SAW or when ordering repair parts. PARTS LIST FOR FIGURE B...
  • Page 42 CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212350 Note: For Laser Guide repair or replacement, contact your nearest Sears Service Center Figure C...
  • Page 43: Purchase

    CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212350 The model number will be found on a plate attached to the motor housing. Always mention the model number in all correspondence regarding your MITER SAW or when ordering repair parts. PARTS LIST FOR FIGURE C...
  • Page 44 CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212350 SEE NOTE Figure D...
  • Page 45: Purchase

    CRAFTSMAN COMPOUND MITER SAW – MODEL NUMBER 315.212350 The model number will be found on a plate attached to the motor housing. Always mention the model number in all correspondence regarding your MITER SAW or when ordering repair parts. PARTS LIST FOR FIGURE D...
  • Page 46: Purchase

    Get it fixed, at your home or ours! Your Home 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.