Craftsman 21239 - 12 in. Sliding Compound Miter Saw Operator's Manual

1Operator’s Manual12 in. SLIDING COMPOUND MITER SAW WITH LASER TRAC® Model No. 137.212390CAUTION:Before using this Miter Saw,read this manual and foll

10ELECTRICAL REQUIREMENTS – cont’d DOUBLE INSULATED The power tool is double insulated to provide a double thickness of insulation between you and t

11ELECTRICAL REQUIREMENTS AND SAFETYtoo rapidly or make too many start/stops in a short time.b. LINE VOLTAGE is more than 10% above or below the name

12RECOMMENDED ACCESSORIES● Use only accessories recommended for this miter saw. Follow instructions that accompany accessories. Use of improper acce

13COMBINATION SQUARE MUST BE TRUEShould not gap or overlap when square is fl ipped over (see dotted fi gure).Should not gap or overlap when square fl ipp

14UNPACKING YOUR MITER SAWTo avoid injury from unexpected starting or electrical shock, do not plug the power cord into a source of power during unpac

15Slide Carriage Lock KnobRight Extension TableExtension Table Lock KnobStop PlatePositive Miter DetentsMotorON/OFF Trigger SwitchLaser ON/OFF SwitchC

16AMPERAGE (AMPS) – A measure of the fl ow of electric current. Higher ratings generally means the tool is suited for heavier use.ARBOR LOCK – Allows t

17POSITIVE STOP LOCKING LEVER – Locks the miter saw at a preset positive stop for the desired miter angle.SWITCH HANDLE – The switch handle contains t

18ASSEMBLY AND ADJUSTMENTSEstimated Assembly Time: 5 – 10 minutesTo avoid injury, do not connect this miter saw to the power source until it is comple

19LockingWhen transporting or storing the miter saw, the cutting head should always be locked in the down position.1. Push the cutting head down to i

2TABLE OF CONTENTSSECTION PAGEWarranty ... 2Product Specifi

201. Loosen the miter handle (1). Lift up the positive stop locking lever (2) and position the table to left 150. Release the positive stop locking le

214. While holding the lower blade guard, loosen the cover plate screw (2) with a Phillips screwdriver. (Fig. K)5. Rotate the cover plate (3) to exp

22WARNING!NOTE: Pay attention to the pieces removed, noting their position and direction they face. Wipe the blade collars clean of any sawdust before

23THE LASER BEAMFor your own safety, never connect the plug to power source outlet until all the adjustment steps are complete and you have read and u

2490° Bevel Pointer Adjustment (Fig. O)1. When the blade is exactly 90o (0o) to the table, loosen the bevel indicator screw (5) using a # 2 Phillips s

25Fig. P33.9° Bevel Adjustment (Fig. P)1. Push the bevel detent pin (10) in toward the front of the unit.2. Unlock the bevel lock handle and tilt th

262. While holding the upper arm in that position, turn the stop knob (1) until it touches the stop plate (2).3. Recheck the blade depth by moving the

27SLIDING THE REAR EXTENSION SUPPORT BAR (FIG. T)To avoid possible personal injury or damage to the miter saw due to tipping, do not operate the saw w

28SAFETY INSTRUCTIONS FOR BASIC SAW OPERATIONBEFORE USING THE MITER SAWTo avoid mistakes that could cause serious, permanent injury, do not plug the t

29OPERATION● Remove adjusting wrench from the tool before turning it on.● To avoid injury from jams, slips, or thrown pieces, use only recommended a

3WARRANTYPRODUCT SPECIFICATIONSMOTORPower Source ... 120V AC, 60Hz, 15 AmpSpeed ...

30OPERATIONDRESS FOR SAFETYAny power tool can throw foreign objects into the eyes. This can result in permanent eye damage. Everyday eyeglasses have o

31● Do not use this saw to cut small pieces. If the workpiece being cut would cause your hand or fi ngers to be within 8-3/4 inches of the saw blade t

32Before freeing jammed material:● Release trigger switch.● Wait for all moving parts to stop.● Unplug the miter saw.Fig. UBASIC SAW OPERATIONSF

33The miter saw is equipped with an automatic blade brake. When the trigger switch is released, the electric blade brake will stop the blade within ap

34BEFORE LEAVING THE SAW● Never leave tool running unattended. Turn power OFF. Wait for all moving parts to stop.● Make workshop childproof. Lock t

35Fig. ZNOTE: The saw comes with a 33.9° crown molding stop.33.9° BEVEL STOP FOR CROWN MOLDING (FIG. AA)1. Push the bevel detent stop pin (2) in towa

36one stop plate at a time. Loosen the locking screw (6), rotate the stop plate (7) to vertical position and retighten the locking bolt.Fig. DDCUTTING

37CUTTING BASE MOLDING (FIG. GG)Base moldings and many other moldings can be cut on a compound miter saw. The setup of the saw depends on molding char

38CUTTING CROWN MOLDING (FIG. HH, II)Your compound miter saw is suited for the diffi cult task of cutting crown molding. To fi t properly, crown molding

39CROWN MOLDING CHARTCompound Miter sawMiter and bevel Angle settingsWall to Crown Molding Angle52/38° Crown Molding 45/45° Crown MoldingAngle Between

4WARNING ICONSYour power tool and its Owner’s Manual may contain “WARNING ICONS” (a picture symbol intended to alert you to, and/or instruct you how t

40MAINTENANCENever put lubricants on the blade while it is spinning.● To avoid fi re or toxic reaction, never use gasoline, naphtha acetone, lacquer t

41SAWDUST Periodically, sawdust will accumulate under the worktable and base. This could cause diffi culty in the movement of the worktable when settin

42To avoid injury from accidental starting, always turn switch OFF and unplug the tool before moving, replacing the blade or making adjustments. TROUB

43TROUBLESHOOTING GUIDETROUBLESHOOTING GUIDE - SAW OPERATIONPROBLEM PROBLEM CAUSESUGGESTED CORRECTIVE ACTIONBlade hits table.1. Misalignment. 1. See A

44PARTS LIST12 in. COMPOUND MITER SAW MODEL NO. 137.212390When servicing use only CRAFTSMAN replacement parts. Us

4512 in. COMPOUND MITER SAW MODEL NO. 137.212390SCHEMATIC A

4612 in. COMPOUND MITER SAW MODEL NO. 137.212390PARTS LIST FOR SAW SCHEMATIC BI.D. Description Size QTY0

4712 in. COMPOUND MITER SAW MODEL NO. 137.212390 SCHEMATIC BOPERATOR’SMANUAL

4812 in. COMPOUND MITER SAW MODEL NO. 137.212390 PARTS LIST FOR MOTORI.D. Description Size QTY0JCF SPRING

49NOTE

5POWER TOOL SAFETYGENERAL SAFETY INSTRUCTIONSBEFORE USING THIS POWER TOOLSafety is a combination of common sense, staying alert and knowing how to use

50® Registered Trademark / TM Trademark /SM Service Mark of Sears Brands, LLC ® Marca Registrada / TM Marca de Fábrica / SM Marca de Servicio de Sears

612.ALWAYS WEAR EYE PROTECTION. Any power tool can throw foreign objects into the eyes and could cause permanent eye damage. ALWAYS wear Safety Goggle

722. MAINTAIN TOOLS WITH CARE. Keep tools sharp and clean for best and safest performance. Follow instructions for lubricating and changing accessorie

8SPECIFIC SAFETY INSTRUCTIONS FOR THIS COMPOUND MITER SAW1. DO NOT operate the miter saw until it is completely assembled and installed according to

921.NEVER cut small pieces. If the workpiece being cut would cause your hand or fi ngers to be within 8-3/4 in. of the saw blade the workpiece is too s