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Owner's Manual
10 in.
COMPOUND MITER SAW
Double Insulated
Model No.
315.2121 O0
Save this manual for
future reference
CAUTION:
Read and follow
all Safety Rules and Operating
Instructions before first use of
this product,
Customer Help Line: 1-800-932-3188
Sears, Roebuck and Co., Hoffman Estates, IL 60179 USA
Visit the Craftsman web page: www.sears com/craftsman
972000-578
8-98
• Safety
• Features
• Adjustments
• Operation
• Maintenance
• Parts List
NRTL/C
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Table of Contents
Related Manuals for Craftsman 315.2121O0
Summary of Contents for Craftsman 315.2121O0
- Page 1 Safety Rules and Operating Instructions before first use of this product, Customer Help Line: 1-800-932-3188 Sears, Roebuck and Co., Hoffman Estates, IL 60179 USA Visit the Craftsman web page: www.sears com/craftsman 972000-578 8-98 • Safety • Features • Adjustments •...
- Page 2 Yoursaw has many features for makingcuffing operationsmore pleasant and enjoyable. Safety, performanceand dependability have been giventop pdodty ih the design of this saw making it easy to maintain and operate, Look for this symbol to point out important Your safety is involved.
- Page 3 KEEP THE WORK AREA CLEAN. Clutteredwork areas and work benches invite accidents. DO NOT leave tools or pieces of wood on the saw while it is in operation. • DO NOT USE IN DANGEROUS ENVIRON- MENTS.
- Page 4 10 in. KEEP BLADES CLEAN, SHARP AND WITH SUFFICIENT SET. Sharp blades minimize stallingand kickback. DO NOT REMOVE THE SAW'S BLADE GUARDS. Never operate the sew with any guard or cover removed. Make sure all guardsare operating propady before each use.
- Page 5 REPLACEMENT PARTS. All repairs,whether electrical or mechanical,shouldbe made by qualified service technician at a Sears store. WARNING: When servicinguse only identical Craftsman replacement parts. Use of any other parts may create a hazard or cause product damage. NEVER USE IN AN EXPLOSIVE ATMO- SPHERE.
- Page 6 RULES FOR SAFE OPERATION • ALWAYS STAY ALERT! Do not allowfamiliarity (gained from frequent use of your saw) to cause a careless mistake. ALWAYS REMEMBER that a careless fraction of a second is sufficientto inflictsevere injuPJ. STAY ALERT AND EXERCISE CONTROL Watch what you are doing and use common sense.
- Page 7 See Rgure 2. • Remove the packing materialsfrom around your saw. • Carefully lift saw from the carton and place it on a level work surface. Althoughsmall, this sew is heavy. To avoid back injury,get help when needed. 10in.
- Page 8 The followinglabels are on the miter saw with loca- tions indicated. Restore lowerbladeguard andsecurely tightenscrew beforeuse e.See DANGER: DO NOT REMOVE ANY GUARD. USE OF SAW WITHOUT THIS GUARD WILL RESULT IN SERIOUS INJURY. A WARNING / ADVERTENCIA • ForyourmfMy, madownersmanual b eforeop4rallng ndtM Hw.
- Page 9 5 mmHEXKEY MITER LOCKHANDLE WARNING: The use of attachmentsor eccessodes not Ilstad mightbe hazardousand could cause serious personal injury. The followingtools (not included)are needed for checking adjustmentsof your saw or for installingthe blade: FRAMINGSQUARE • 5 mm Hex Key Wrench •...
- Page 10 10 in. BLADE A 10 in. saw blade is included with your compound miter saw. It will cut matedais up to 2-5/8 in. thick or 5-3/4 in. wide, dependingupon the thickness of the material and the settingat which the cut is being made.
- Page 11 4. To transport, turn off and unplug your saw, then lower the saw arm and lock it in the downposition.Lock saw arm by depressingthe lock pin.
- Page 12 Four 7/16 in. bolt holes have been providedin the saw base for this purpose. Each of the four mounting holes shouldbe bolted securely using7/16 in. machine bolts, look washers, and hex nuts (not...
- Page 13 Failureto unplugyour saw could result in accidental startingcausing possible sedous personal injury. Push down on the saw arm and pull out the lock pin to release saw arm. Raise saw arm to its full raised position.Be cautious, saw arm is spdng loaded to raise.
- Page 14 After unpacking your sew, check the following adjustments before you begin using saw. Make any readjustments that are necessary and periodically check the parts alignment to make sure that your saw is cutting accurately. Fig. 12 _l_ WARNING: Your saw shouldnever be...
- Page 15 Turn your saw off and allow the blade to come to a complete stop before raisingthe saw arm. Next, adjust the bevel angle to 45 degrees, tum your...
- Page 16 Lay a framing square flat on the mitertable. Place one leg of the square against the fence. Slide the other leg of the square against the fiat part of saw blade. Note: Make sure that the square contacts the flat part of the saw blade, not the blade teeth.
- Page 17 • Theedge ofthesquare andthesawblade should beparallel asshown infigure 17. • If the frontor beck edge of the saw blade angles away from the square as shown in figures 18 and 19, adjustments are needed. • Using the 8 mm hex key provided, loosen the socket head screws that secure the mounting bracket to the miter table.
- Page 18 Recheck blede-to-table alignment. Note: The above procedure can be used to check blade squareness of the saw blade to the rarer table at both 0° and 45° angles. Your sew has three scale indicators,two on either side of the bevel scale and one on the miter scale.
- Page 19 Sears store. WARNING: Beforestarting any cutting L... operation,clamp or bolt your compoundmiter saw to a workbench. Never operate your miter sew on the floor or in a crouchedposition. Failure to heed this warningcan result in serious personal injury. CUTTING...
- Page 20 Rg. 26 SCALE MOUNTING BRACKET TO BEVEL SAW: • Pull out the lock pin and lift saw arm to its full height. • Loosen the miter lock handle. Rotate the miter lock handle approximatelyone-haftturn to the left to loosen. Press the miter lock plate down with your thumb and hold.
- Page 21 For your conveniencethere is a double scale located on the mountingbracket. See Figure27. If one side becomes difficultto read as you move the saw arm to the left, simplyrefer to the other side. Align the indicatorpoint for the side you choose with the desired angle.
- Page 22 TO MAKE A COMPOUND YOUR MITER SAW: • Pull out the lock pin and lift saw arm to itsfull height. • Loosen the miter lock handle. Rotate the miter lock handle approximatelyone-heft tum to the leftto loosen. • Press the miter lock plate downwith your thumb and hold.
- Page 23 • Before fuming on the saw, perform a dry runof the cuffingoperationjustto make surethat no problems will occurwhen the cut is made. • Grasp the saw handle firmly, press the lock-offtab down, then squeeze the switch trigger. Allow sev- eral secondsforthe bladeto reach maximum speed.
- Page 24 CUTTING COMPOUND MITERS To aid in making the correct settings, the compoundangle settingchart below has been provided.Since com- pound cuts are the most difficultto accuratelyobtain, tdal cuts should be made in scrap material, and much thoughtand planning made, priorto making your required cut. PITCH 0FSIDE M-45.00 °...
- Page 25 CUTTING CROWN MOLDING Your compoundmiter saw does an excellent job of cutting crown molding. In general, compound miter saws do a better job of cuffing crown moldingthan any other tool made. In order to fit properly,crown molding must be com- pound m/tared with extreme accuracy.
- Page 26 The settingsin the chart below can be used for cutting All Standard (U.S.) crown molding with 52° and 38° angias. The crown molding is placed fiat on the miter table usingthe compound features of your miter saw. Bevel Angle Type of Cut...
- Page 27 WARNING: W hen servicing, usaonlyidentical Craftsman replacement parts. U seofanyother part m ay create a hazard or cause product damage. GENERAL Avoid usingsolvents when cleaning plasticparts. Most plasticsare susceptibleto damage from vadous types of commercial solventsand may be damaged by their usa. Usa clean clothsto remove dirt, carbon dust, etc.
- Page 28 BRUSH REPLACEMENT See Figure 36. BRUSH _BRUSH ASSEMBLY Your saw has externally accessiblebrush assemblies that shouldbe pehodicallychecked for wear. Proceed as follows when replacement Is required: • Unplug your saw. _kWARNING: Failureto unplugyour saw could result in accidental starting causing sadous injury.
- Page 30 CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212100...
- Page 31 CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212100 he model number will be found on a plate attached to the motorhousing.Always mentionthe model number in all correspondenceregarding your | CRAFTSMAN COMPOUND MITER SAW or when orderingrepair parts. PART NUMBER DESCRIPTION 710308-045 Bolt (M8 x 45 Soc.
- Page 32 CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212100 FigureB...
- Page 33 CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212100 The model numberwill be found on a plate attached to the motorhousing.Always mentionthe model number in all correspondenceregardingyour COMPOUND MITER SAW or when ordering repair parts. PART NUMBER DESCRIPTION 976528-001 Torsion Spring ... 1 977441-001 SupportBracket...
- Page 34 CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212100 Figure C...
- Page 35 CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212100 he modelnumber will be found on a plate attached to the motorhousing,Always mentionthe model number in all correspondenceregardingyour | COMPOUND MITER SAW or when ordedng repairparts. PART NUMBER DESCRIPTION 976539-001 Dust Shield ... 1 976596-001 U-Clip...
- Page 36 CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212100 SEENOTE"A" Figure D...
- Page 37 CRAFTSMAN COMPOUND MITER SAW - MODEL NUMBER 315.212100 he model number will be found on a plate attachedto the motorhousing.Alwaysmention the model number in all correspondenceregardingyour | CRAFTSMAN COMPOUND MITER SAW or when orderingrepair parts. PART NUMBER DESCRIPTION 976641-001 "O' Ring ... 1 976576-001 Lock Pin ...
- Page 38 For in-home Call 24 hours a day, 7 days a week 1-800-4-MY-Home Para pedir servicio de reparacibn In Canada for all your service and parts needs call Au Canada pour tout le service ou les pi_ces For the repair or replacement Call 7 am - 7 pm, 7 days a week 1-800-366-PART (1-800-366-7278) Para ordenar piezas con entrega a domicilio...