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Craftsman 315.212740 Operator's Manual

10 in. compound miter saw double insulated
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Model No.
WARNING: To reducethe risk of injury,
the user mustread and understandthe
operator'smanual beforeusing this product.
Help Une: 1-.800-932-3188
Sears, Roebuck
and Co., 3333 Beverly Rd., Hoffman Estates, [L 60179 USA
Visit the Craftsman web page:
Save this manual
for future



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  Summary of Contents for Craftsman 315.212740

  • Page 1 WARNING: To reducethe risk of injury, the user mustread and understandthe operator'smanual beforeusing this product. Customer Help Une: 1-.800-932-3188 Sears, Roebuck and Co., 3333 Beverly Rd., Hoffman Estates, [L 60179 USA Visit the Craftsman web page: 983000-551 Save this manual for future reference 9-04...
  • Page 2 Back Page ONE YEAR FULL WARRANTY ON CRAFTSMAN TOOL If this Craftsman tool fails due to a defect in materialor workmanshipwithinoneyaar fTomthe date of purchase, CONTACT THE NEAREST SEARS PARTS & REPAIR CENTER at 1-800-4-SV-M_: HOME O and Searswill repair It, free of charge.
  • Page 3 • 3ECURE WORK. Use clamps or a vise to hold work WARNING." Read and understand all inet_uo- t/one. Failure to follow all instruotfons listedbelow, when pract!cal,It's s_far than using yourhand and may resultIn etectdc shock,tlre and/or serious freesboth handsto operate tool. personal injury.
  • Page 4 • USE ONLY CORRECT BLADES, Do not use blades • INdPECT TOOL CORDS PERIODICALLY. if damaged, with incorrectsize holes. Never use blade washers or have repairedby 8 qua_Lfied s ervice technician at blade bottsthat ate detective or incorrect. The maxi- an authorizedservice facility.The conductorwith Insulationhevlngan outer surfacethat Is green with mum blade capacity of your saw is 10 in.
  • Page 5 • ALWAYS STAY ALERTI Do not allow farnliled_ (gained • NEVER hand hold a wo.rl_lece that is too small to be clamped. Keep hands clear of the cutting area. ftom frequent use of your saw) to cause a careless mistake. ALWAYS REMEMBER that a careless fraction •...
  • Page 6: Symbols

    Some of the followingsymbolsmay be used on this too]. Please study them and learntheir meaning. Proper Interpretstfonof these symbolswill allow you to operate the tool better and safer. SYMBOL NAME DESIGNATIONIEXPLANATI ON Vc_te Voltage C_rre_t Ampuls Hertz Frequency(cycles per second) Watt Power Minutes...
  • Page 7 The fo(Iow[ngsignal words and meaningsare intended to explain the levelsof risk associatedwith this product. SYMBOL SIGNAL MEANING Indicates an Immlnentty hazardous situation,which, If not avoided, wtl) DANGER: resultin death or serious injury. |ndicates a potentially hazardous situation, which, if not avoided, could WARNING: result in death or serious injury.
  • Page 8: Double Insulation

    DOUBLE INSULATION EXTENSION CORDS Doubts insulationIs a concept In safety in electric power When usinga powertool at a considerablecllstancafrom tools, which eliminatesthe need for the usualthree-wire s powersource, be sure to use an extensioncord that has groundedpower cord. All exposed metal parts are the capac'rty to handle the currentthe tool wilt drew.
  • Page 9 Anti-Kickback P awls (radial a rmandtablesaws) Non-Through Guts Adevise w hich, w hen property i nstated and maintained, Any cuing operationwhere the blade does not extend Is designedto stop the workplace from being kicked back completely through the thicknessof the workpiace. toward the front of the saw duringa rippingoperation.
  • Page 10 PRODUCT SPECIFICATIONS Blade Diameter ......10 in. Cutting Capacitywtth Miter at0°/Bevel 0_: Maximum nominal[umbersizes:....2 x 6, 4 x 4 B_de Arbor ....... 5/8 in. Cuttlng Capacity with Miter at 45°/Beve! 0°: No Load Speed ......5,000/min. Maximum nominallumber sizes:......2 x 4 Input ....
  • Page 11 KNOW YOUR COMPOUND MITER SPINDLE LOCK Bu'rroN See Figure 1. See Figure3. Before attempting to use this product, familiarizeyourself A spindlelock button has been providedfor lockingthe w_ ail operating features and safety rules. spindlewhich keeps the blade In your saw from rotating. Depressand hold the lock button while instaging,chang- 15 AMP MOTOR ing, or removingblade.
  • Page 12 LASERTRAC LASER GUIDE SLIDING MITER FENCE For more accurate cuts, a LasarTmc laser guide Is Hold the workpiesa securely against the mRer fence when included with your miter saw. When used properly,the making all cuts. The stiding feature atlows both fences (left laser guide makes accurate, precisioncutting simpleand and right) to be moved when making bevel or compound easy.
  • Page 13 The follow'_ngi_:ems are Lncluded w|th your CompoundMiter Saw; • Dust Bag • WorkClamp • Blade Wrench • Dust Guide • Outer BladeWasher • Table Extensions(2) • Bolt • Clamp Breaker • CLampBracket Bolt • Hex Key (3), 4 mm, 5 mm, and 8 mm •...
  • Page 14: Assembly

    UNPACKING _lb WARNING: Do not attempt to modify this tool or create accessories not recommendedfor use This product requires assembly. with this tool. Any such alterationor modificationIs • Carefullylift saw fTomthe carton by the carrying handle misuse and could resultin a hazardouscondition and the saw base, and place it on a lard work surface.
  • Page 15 Asmantfoned previously, thesawhasbeen factory assembledand adiusted. MITER LOCK HANDLE See Figure 8, Cut the tie-wraps holdingthe 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 controlarm, Turn clockwiseto tighten, Fig.
  • Page 16 TABLE EXTENSIONS BRACKET See Figures 11 - 12, SUPPORT BASE Table extensionscan be instaflad in either the left or the rfghtsfdeof the base. To install: Insertthe ends of the table extensionsinto the holesin the side of the bass and adjust the extensionsto the desired length.
  • Page 17: Operation

    WARNING: When using the work clamp with the stop block, install the clamp on the same side as the stop block. This will elimlnatsthe possibilityof _rap- ping the workpisce, resultingin the saw b]ade and work,oiecekicking up. Failureto heed this warning can result in serious persona]injury, STOP BLOCK STQP...
  • Page 18 • Unplugthesew, LOWER BLADE • Loosen phillipsscrew on the blade bolt cover until GUARD 8P, ACI(ET b_de bolt cover can be raised. • Gently raise the lower blade guard bracket, releasing tower blade guard _rom notch so that lower blade guard and blade boRcover can be rotated up and back to expose the blade bolt.
  • Page 19 MOUNTING THE LASER GUIDE ALIGNING THE LASER GUIDE LINE See Figure 19. See Figure20. • Unplug file saw. The laser guide will generate a red ceiored 1]neon the work surface when the blade is spinningabove 500 rpm, See "To Install Blade" on page 17 in the Asaernb/ysestion The red laser linewill appear as a broken lineon the of this operator's manual.
  • Page 20: Adjustments

    NOTE: Many of the Illustrationsin this manual show only FRAMING FENCE MITERTABLE portions of the compound miter saw. This is intentionalso SQUARE that we can ctsadyshow points being made in the Illustrations,Never operate your saw wlUtourlaD guards securely in place and in good operating condition. SQUARING THE MITER TABLE TO THE...
  • Page 21: Squaringthe Sawbladeto Thefence

    SQUARINGTHE SAWBLADETO THEFENCE See Figures25 - 28. FENCE • Unplug the saw. • Pullthe saw arm all the way down and engagethe lock pin to ho_dthe saw arm in transport position. • Loosenthe miter took handle. • Rotate the miter table until the pointeris positioned at0".
  • Page 22: Squaringthe Bladeto The Miter Table

    SQUARINGTHE BLADETO THE MITER TABLE See Figures29 - 32. • Unplug the saw, FENCE • Pullthe saw arm all the way down and engage the lock pin to hold the saw arm In transport position. • Loosen the miter lock handle. •...
  • Page 23 Thissawhas three scale indicators,two on the bevel scale and one on the miter scale. After squadngadjust- ments have been made, it may be necessary to loosen the Indicator screws and reset them to zero. FENCE • BLADE MnER COMBINATION TABLE SQUARE VIEWOFBLADE NOTSQUARE WITHMITER TAm.E, A DJUSTMENTS AREREQUIRED...
  • Page 24 NOTE: A lways check for Interferencebetween the blade • Tighten the miter lock handle securely. and the sliding miter fence BEFORE attempting to make a cut. Some compound miter cuts requirethe slidingmiter WARNING: To avoid seriouspersonal injury, ahvays tighten the miter lock handlesecurely beforemaking fence to be moved or completelyremoved before making a cut.
  • Page 25: Bevel Cut

    TO BEVELCUT • Once the saw arm has been set atthe desired angle, securelytighten the bevet lock knob, See Figures 34.35. • Piece the workp_ecefiat on the miter table with one A bevel cut is made by cuffing across the grain of the es_gesecurelyagainstthe fence, if the board iswarpe_, workp{ecewith the blade angled to the work, piece.
  • Page 26 TO MAKE A COMPOU'ND MITER • Recheck miter angle setting. Make a test cut In scrap matedaL A compound rafter cut Is a cut made using a miter angle • Place the workpiece fiat on the miter table with one and a bevel angle at the same _me.
  • Page 27: Support Long Workpieces

    SUPPORT LONG WORKPIECES See Figure38. Long workpieces need extra supports. Supportsshould be placed along the workp)ece so it does not sag. The support should let the workpisoe lay fiat on the base of the saw and work table dudng the cuffingoperation. Use the optional work clamp or s C-clamp to securethe workpisoe.
  • Page 28 CUTTINGCOMPOUNDMITERS "to a%d |n making the coTrectsettings,_e compound angle se_n9 chaTtbelow has been provided.,_nce compound cuts are the most difficult to accurately obtain, trialcuts should be made in scrap matedar,and much thought and planning made, priorto makingyour required cut. PITCH o =oE O"...
  • Page 29: Laying Molding Flat On The Miter Table

    CUTrlNG CROWN MOLDING When setting the bevel and miter angles for compound miters, remember that the se_ings areinterdependent; "['hecompound miter sew does an excellentjob of cut- ting crown molding. In general, compound mRer saws do changing one angle changes the other angle as well. a better jo_ of cutting crown molding then any othertool Keep in mind that the angles for crown moldings ere very made.
  • Page 30 molding.Alsomost walls do not have angles of exactty 90", therefore,you w,I need to fine tune your settings. When cuing crown mo_inc3 by this me_od the bevel angle shouldbe set at 0". The m_tarangle should be s_t at 45"either dght or left, depending on the desired cut for the a_plic_on.
  • Page 31: Clamping Wide Workpieces

    MARKINGS THROAT PLATE Fig. 4 2 WRONG CUTTINGWARPEDMATERIAL Fig. 44 Rgums 43 - 44. When cuttingwarped material, elways make sure it is WAJRHtN, G : To avo_ a kickback_ to avoid positioneo' o n the miter table with the convex side asdous personalinjury,never positionthe concave against the fence as shown in figure43.
  • Page 32: Travel Pivot Adjustment

    PIVOT ADJUSTMENTS WARNING: Before performing any adjustment, make sure the tool Is unplugged from the power NOTE: These adjustmentswere made at the factory and supply and the switch is in the OFF ( O ) position. norm=ly do not requirereadjustment. Failureto heed this warning could result in serious TRAVEL PIVOT ADJUSTMENT...
  • Page 33: Brush Replacement

    WARNING: When ssr_blng, use only _dentlcal replacement parts. Use of any other part may create a h,_._rdor c_use product da_ge. _IL WARNING: Always wear safety goggissor safety glasseswith side shields during power tool operation or when blowing duet. If operation is dus_, also wear a dust mask.
  • Page 34 CHANGING THE BATTERIES See Figure 48. • Unp(ug the saw. LASER GUIDE Remove the laear guide from the saw. Lay laser guide on SUPPORT a fiat surfacewith the two phillipsscrews facing upward. Remove the screws and separate the laser guide cover from the laser guide support.
  • Page 35: Belt Replacement

    BELTREPLACEMENT 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. WARNING: Failureto unplug ",hesaw could rseuftin accidental starting causingserious injury.
  • Page 37 ' CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212740 • • ,,,,,,/ Figure A...
  • Page 38 ,- , CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212740 The modelnumberwillbe found on a plate attached to the motor housing.Alwaysmentionthe mode(number in all correspondence regardingyour MITER SAW or when ordedngrepair parts. PARTS LIST FOR FIGURE A KEY PART PART...
  • Page 39 CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212740 The model numberwillbe foundon a plate attaclled to the motor housing,Alwaysmentionthe modelnumberIn all correspondence regardingyour MITER SAW or when orderingrepair parts. PARTS LIST FOR FIGURE A KEY PART PART NUMBER DESCRIPTION QTY.
  • Page 41 CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212740 The model numberwill be found on a plate attached to the motorhousing.Alwaysmentionthe model numberin all correspondenceregarding your MITER SAW or when orderingrepair parts. PARTS LIST FOR FIGURE B PART PART NUMBER DESCRIPTION QTY.
  • Page 42 CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212740 ""'"- Note: For Laser Guide repair or replacement,contact your nearest Sears Se_ce Center...
  • Page 43 CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212740 The modelnumberwi[Ibe foundon a plate attached to the motorhousing.Alwaysmentionthe model numberin all correspondence regardingyour | MITER SAW or when orderingrepairparts. PARTS UST FOR FIGURE C PART PART . NUMBER DESCRIPTION QTY. NUMBER DESCRIPTION QTY.
  • Page 45 CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212740 "r'_e IM]TE nl°de_ numbe_ when will ordering _°und r_p_" Plata _)_r_e, a_ta_h_ t° m°_°r h°ueJng" _waYa m°n_J°n re°de( number c°n'esP°_dant_e r_r_Ing y°ur PARTS LIST FOR FIGURE D PART PART OESCRIPTION QTY. NUMBER DESCRIPTION QTY.
  • Page 46: Maintenance

    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 itl For the replacement parts, accessories and owner's manuals that you need to do-it-yourself. For Sears professional installation of home appliances and items like garage door openers and water heaters.