Operator’s Manual 12 in. DUAL BEVEL SLIDING COMPOUND ® MITER SAW WITH LASER TRAC Model No. 137.212210 CAUTION: ● Safety Instructions Before using this Miter Saw, read this manual and follow all its Safety Rules and Operating Instructions ● Installation ● Operation ● Maintenance ● Parts List Customer Help Line For Technical Support 1-800-843-1682 Sears Parts & Repair Center 1-800-488-1222 Sears, Roebuck and Co., Hoffman Estates, lL 60179 USA Visit our Craftsman website: www.sears.
TABLE OF CONTENTS SECTION Warranty ............................................................................................. Product Specifications ........................................................................ Symbols.............................................................................................. Power Tool Safety .............................................................................. Compound Miter Saw Safety ..............................................................
PRODUCT SPECIFICATIONS MOTOR Power Source ............................... 120V AC, 60Hz, 15 Amp Speed ........................................... 4200 RPM (No load) Brake ............................................ Electric Double Insulated ........................... Yes Motor Arbor Shaft Size .................. 5/8 in. BLADE SIZE Diameter ....................................... 12 in. Arbor size ...................................... 1 in. w/a 5/8 in. reducer ROTATING TABLE Diameter .....................
SYMBOLS WARNING ICONS Your power tool and its Operator’s Manual may contain “WARNING ICONS” (a picture symbol intended to alert you to, and/or instruct you how to avoid, a potentially hazardous condition). Understanding and heeding these symbols will help you operate your tool better and safer. Shown below are some of the symbols you may see. SAFETY ALERT: Precautions that involve your safety. PROHIBITION WEAR EYE PROTECTION: Always wear safety goggles or safety glasses with side shields.
POWER TOOL SAFETY GENERAL SAFETY INSTRUCTIONS BEFORE USING THIS POWER TOOL 8. DO NOT FORCE THE TOOL. It will do the job better and safer at the rate for which it was designed. Safety is a combination of common sense, staying alert and knowing how to use your power tool. 9. USE THE RIGHT TOOL. Do not force the tool or an attachment to do a job for which it was not designed. CAUTION To avoid mistakes that could cause serious injury, do not plug the tool in until you have read and understood the following.
NOTE: Glasses or goggles not in compliance with ANSI Z87.1 could seriously injure you when they break. and any other conditions that may affect its operation. A guard or other part that is damaged should be properly repaired or replaced. 13. WEAR A FACE MASK OR DUST MASK. Sawing operation produces dust. 14. 20. NEVER LEAVE THE TOOL RUNNING UNATTENDED. TURN THE POWER “OFF”. Do not walk away from a running tool until the blade comes to a complete stop and the tool is unplugged from the power source.
COMPOUND MITER SAW SAFETY SPECIFIC SAFETY INSTRUCTIONS FOR THIS COMPOUND MITER SAW 10.USE only blade collars specified for your saw. 1. DO NOT operate the miter saw until it is completely assembled and installed according to these instructions. 11.NEVER use blades larger in diameter than 12 inches. 12.NEVER apply lubricants to the blade when it is running. 2. IF YOU ARE NOT thoroughly familiar with the operation of miter saws, seek guidance from your supervisor, instructor or other qualified person. 13.
21. NEVER cut small pieces. If the workpiece being cut would cause your hand or fingers to be within 8-3/4 in. of the saw blade the workpiece is too small. 22. PROVIDE adequate support to the sides of the saw table for long work pieces. 23. NEVER use the miter saw in an area with flammable liquids or gases. 24. NEVER use solvents to clean plastic parts. Solvents could possibly dissolve or otherwise damage the material. 25. SHUT OFF the power before servicing or adjusting the tool. 26.
ELECTRICAL REQUIREMENTS AND SAFETY POWER SUPPLY AND MOTOR SPECIFICATIONS The AC motor used in this saw is a universal, nonreversible type. See “MOTOR” in the “PRODUCT SPECIFICATIONS” section on page 3. way. If the plug does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician to install the proper outlet. Do not change the plug in any way. ! ! WARNING To avoid electrical hazards, fire hazards, or damage to the tool, use proper circuit protection.
now be started and the cut finished. 4. FUSES may “blow” or circuit breakers may trip frequently if: a. MOTOR is overloaded – overloading can occur if you feed too rapidly or make too many start/stops in a short time. b. LINE VOLTAGE is more than 10% above or below the nameplate voltage rating. For heavy loads, the voltage at motor terminals must equal the voltage specified on the nameplate. c. IMPROPER or dull saw blades are used. 5.
ACCESSORIES AND ATTACHMENTS without the proper saw blade guard in place. Carbide is a very hard but brittle material. Care should be taken while mounting, using, and storing carbide tipped blades to prevent accidental damage. Slight shocks, such as striking the tip while handling, can seriously damage the blade. Foreign objects in the workpiece, such as wire or nails, can also cause tips to crack or break off.
TOOLS NEEDED FOR ASSEMBLY Supplied Not supplied Blade Wrench Adjustable Wrench 6 mm Hex Wrench Phillips Screwdriver Slotted Screwdriver Combination Square COMBINATION SQUARE MUST BE TRUE Should not gap or overlap when square is flipped over (see dotted figure). Draw light line on board along this edge. Straight edge or a 3/4 in. board, this edge must be perfectly straight. Should not gap or overlap when square flipped over (see dotted figure).
CARTON CONTENTS 3. Separate all parts from the packing material. Check each one with the illustration to make certain all items are accounted for, before discarding any packing material. UNPACKING YOUR MITER SAW ! WARNING To avoid injury from unexpected starting or electrical shock, do not plug the power cord into a source of power during unpacking and assembly. This cord must remain unplugged whenever you are working on the saw.
KNOW YOUR SLIDING MITER SAW Carry handle Upper blade guard Carry handle Laser ON/OFF switch Handle locking lever Motor Switch handle ON/OFF trigger switch Saw blade Lower blade guard Bevel scale Hold-down clamp Base Sliding fence Miter lock handle Left extension table Turntable Bevel lock handle Mounting hole Left support Hold-down latch Slide carriage Slide carriage lock knob Belt cover Laser guide Right extension table Stop plate Quick-cam miter table lock Table insert Right support Po
GLOSSARY OF TERMS eyes. Eye protection should meet the requirements of ANSI Z.87.1 (USA) or CSA Z94.3-M88 (Canada). AMPERAGE (AMPS) – A measure of the flow of electric current. Higher ratings generally means the tool is suited for heavier use. ARBOR LOCK – Allows the user to keep the blade from rotating while tightening or loosening the arbor bolt during blade replacement or removal. FACE SHIELD – An impact resistant shield that helps to protect your face from chips, sparks, small debris.
POSITIVE STOP LOCKING LEVER – Locks the miter saw at a preset positive stop for the desired miter angle. KICKBACK – Sudden and unintended movement of the tool or workpiece. It is typically caused by binding or pinching of the workpiece SWITCH HANDLE – The switch handle contains the trigger switch and safety lock-off button. The blade is lowered into the workpiece by pushing down on the handle. The saw will return to its upright position when the handle is released.
ASSEMBLY AND ADJUSTMENTS ESTIMATED ASSEMBLY TIME: 10~15 MINUTES Unlocking 1. Push down slightly on the switch handle (1). 2. Pull out the hold-down latch (2). 3. Allow the cutting head to rise to the up position. ! WARNING To avoid injury, do not connect this miter saw to the power source until it is completely assembled and adjusted, and you have read and understood this Operator’s Manual. Fig. B 2 UNLOCKING THE SLIDE CARRIAGE (FIG.
THREE POSITION ROTATING HANDLE (FIG. E) The handle of the miter saw has been designed to rotate and lock at three different position stops; 450 left, 00, and 450 right for operator convenience. To rotate the handle: 1. Unlock the handle locking lever (1) by pulling it toward the front of the machine. 2. Pull the handle-locking latch (2) to the front of the saw and hold in position. 3. Rotate the handle to the desired position stop and release the handle-locking latch.
Fig. H Fig. F 2 1 1 2 ! 3 WARNING To avoid injury, disconnect the plug from the power source before performing any adjustments or repair. NOTE: Your miter saw was adjusted at the factory. However, during shipment slight misalignment may have occurred. Check the following settings and adjust if necessary prior to using this miter saw. POWER CORD STORAGE CLIPS (FIG.
1. To remove, loosen and remove the six screws (1) on the table inserts (2) with a Phillips screwdriver and remove the inserts. 2. To install, reposition the table inserts, install the six screws and tighten. 3. Check for blade clearance by moving the slide carriage through the full motion of the blade in the table slot. Fig. I ● ● ● 1 Mounting instructions 1.
the base. Use C-clamps to clamp this mounting board to a stable work surface at the worksite. (Fig. K) the arbor bolt. Fig. L 1 3 Fig. K 2 7. Locate the arbor lock (5) on the motor, below the belt cover. (Fig. M) 8. Press the arbor lock, holding it in firmly while turning the blade clockwise. The arbor lock will then engage and lock the arbor. Continue to hold the arbor lock, while turning the wrench clockwise to loosen the arbor bolt. REMOVING OR INSTALLING THE BLADE Removing Blade (Fig.
NOTE: Pay attention to the pieces removed, noting their position and direction they face. Wipe the blade collars clean of any sawdust before installing a new blade. Also, the 12 in. blade has a 1 in. arbor hole with a 5/8 in. reducer (8) to mount onto the saw. 3. Place the blade wrench on the arbor bolt. 4. Press the arbor lock (5), holding it in firmly while turning the blade counterclockwise. When it engages, continue to press the arbor lock in, while tightening the arbor bolt securely. (Fig. M) 5.
● NOTE: All the adjustments for the operation of this machine have been completed at the factory. Due to normal wear and use, some occasional readjustments may be necessary. ● CAUTION-Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. ● CAUTION-The use of optical instruments with this product will increase eye hazard. ● Do not attempt to repair or disassemble the laser.
Fig. P the laser element where you can position an adjustable wrench for your adjustment. C. Aligning The Laser Beam 1. Loosen only 1/2 turn at a time the four set screws (1). 2. Adjust laser by turning the left side set screws clockwise to shift the laser line to the right. To shift the laser line to the left, turn the right side set screws 1/2 turn at a time. 3. Once alignment of the laser is achieved, tighten only 1/2 turn at a time the four set screws (1). 2 THE UPFRONT SUPPORTS ADJUSTMENT (FIG.
BEVEL STOP ADJUSTMENTS (FIG. S, T, U, V) Bevel Scale Indicators (Fig. T) 1. When the blade is exactly 90°(0°) to the table, loosen the bevel indicator screws (1) using a #2 Phillips screwdriver. 2. Adjust bevel indicators (2) to the “0” mark on the bevel scale and retighten the screws. ! WARNING To avoid injury from unexpected starting or electrical shock, make sure the trigger is released and remove the power cord from the power source. Fig. T 90°(0°) Bevel adjustment (Fig. S, T) 1.
4 Fig. U 3 Fig. V 4 1 1 3 2 2 33.9° Left & Right Bevel Adjustment (Fig. W) 1. Set the miter angle to zero degree. Fully extend both sliding fences. 2. Loosen the bevel lock handle and tilt cutting arm to the 33.9° left bevel positive stop by pushing in on the bevel detent pin toward the rear of the machine. 3. Using a combination square, check to see if the blade is 33.9° to the table. 4. To adjust, turn the screw in or out with a wrench (from the locations shown below) until the blade is 33.
2. Loosen the screw (3) that holds the indicator with a screwdriver. 3. Adjust the indicator (2) to the 0° mark and retighten screw. For 33.9º right bevel positive stop adjustment, insert wrench here ADJUSTING FENCE SQUARENESS (FIG. Y) 1. Loosen the four fence locking bolts (1). 2. Lower the cutting arm and lock in position. 3. Using a square (3), lay the heel of the square against the blade and the ruler against the fence (2) as shown. 4.
handle and rotate the miter table left or right to the desired angle. 3. Release the positive stop locking lever and set the miter at the desired angle making sure the lever snaps into place. NOTE: The lever will only lock into place at one of the ten positive stops. 4. Once angle is achieved, press down on the quick-cam miter table lock (1). 4. Turn the lock nut (3) to the right as shown to lock the miter locking mechanism into place. Fig. Z Quick-cam Miter Table Lock Operation (Fig.
the cutting head front to back through the full motion of a cut along the control arm. If the blade touches the inside of the control arm, readjust the setting. Fig. AA 1 2 SLIDING THE REAR EXTENSION SUPPORT BAR (FIG. BB) ! WARNING To avoid possible personal injury or damage to the miter saw due to tipping, do not operate the saw without the Rear Extension Support Bar. Loosen the two screws (1) and extend the rear extension support bar (2) by sliding it out to match position, tighten the two screws. Fig.
OPERATION ● Compare the direction of rotation arrow on the guard to the direction arrow on the blade. The blade teeth should always point downward at the front of the saw. ● Tighten the arbor bolt. ● Tighten the cover plate screw. ● Check for damaged parts. Check for: ● Alignment of moving parts ● Damaged electric cords ● Binding of moving parts ● Mounting holes ● Function of arm return spring and lower guard: Push the cutting arm all the way down, then let it rise until it stops.
or thrown pieces, use only recommended accessories. RECOMMENDED ACCESSORIES ● Consult the ACCESSORIES and ATTACHMENTS section of this Operators Manual for recommended accessories. Follow the instructions that come with the accessory. The use of improper accessories may cause risk of injury to persons. ● Choose the correct 12 in. diameter blade for the material and the type of cutting you plan to do. Do not use thin kerf blades. ● Make sure the blade is sharp, undamaged and properly aligned.
● ● ● ● ● ● Wear non-slip footwear. Tie back long hair. Roll long sleeves above the elbow. Noise levels vary widely. To avoid possible hearing damage, wear ear plugs when using any miter saw. For dusty operations, wear a dust mask along with safety goggles. USE EXTRA CAUTION WITH LARGE OR ODD SHAPED WORKPIECES. ● Use extra supports (tables, sawhorses, blocks, etc.) for workpieces large enough to tip.
● ● Do not cut metal workpieces that must be hand held. Clamp workpieces securely. Cut non-ferrous metals only if you are under the supervision of an experienced person and the dust bag has been removed from the saw. ● Hold workpiece firmly against the fence to prevent movement toward the blade. ● With the power switch OFF, bring the saw blade down to the workpiece to see the cutting path of the blade. ● Press in lock-off switch in trigger switch handle. ● Squeeze trigger switch to start saw.
● TO TURN THE SAW ON (FIG. DD) Depress the trigger switch (1) to turn on the miter saw started. NOTE: Make the ON/OFF switch childproof. Insert a padlock, or chain with padlock, through the holes (2) in the trigger switch, locking the tool’s switch, preventing children and other unauthorized users from turning the machine on. The right side sliding fence must be removed when making any right bevel angle cuts greater than 350 in combination with any right hand miter angle.
REMOVING OR INSTALLING THE RIGHT SLIDING FENCE Removing (Fig. FF) 1. Unlock the fence cam-locking lever by pushing it out toward the rear of the machine. 2. Lift up on the sliding fence to remove it from the saw. Installing 1. Place the sliding fence onto the miter saw fence aligning the nut (1) with the slot (4). 2. To lock the sliding fence, push the cam-locking lever in toward the front of the machine. Fig.
fence must also be removed whenever a 45o bevel angle is desired with a miter angle greater than 22.5o. 4. Once the desired miter angle is achieved, press down on the quick cam miter table lock to secure the table into position. 5. If the miter angle desired is NOT one of the ten positive stops noted above, simply lock the table at the desired angle by pressing down on the quick-cam miter table lock (2). Tilt the cutting head to the desired angle as shown on the bevel scale.
33.9° BEVEL DETENT PIN FOR CROWN MOULDINGS (FIG. JJ) NOTE: A bevel detent pin is incorporated into this machine for quick bevel adjustments when the desired bevel angle is 33.9o. 1. Push the bevel detent stop pin (1) in toward the front of the machine. 2. Loosen the bevel lock handle (2). 3. Rotate the cutting head until the bevel detent pin stops the bevel angle at 33.9° on the bevel scale. 4. Tighten the bevel lock handle before you make your cut. Fig. KK 1 Fig.
Fig. LL 5 6 3. Set both the desired bevel angle and/or the miter angle and lock into position. 4. If bevel cutting, set both the left and right sliding fences (2) to their proper location. 5. Use a hold down clamp to secure the workpiece. 6. Grasp the switch handle (3) and pull the carriage (4) forward until the center of the saw blade is over the front of the workpiece (5). 7. Pull the trigger (6) to turn the saw on. 8.
CUTTING BOWED MATERIAL (FIG. NN) ! 3. While holding the upper arm in position, turn the stop knob (2) until it touches the stop plate (1). 4. Cut two parallel grooves as shown below. WARNING To avoid injury from materials being thrown, always unplug the saw to avoid accidental starting and remove small pieces of material from the table cavity. The table insert may be removed for this purpose, but always reattach table insert prior to performing a cutting operation.
Fig. PP 3 2 1 CHANGING THE BELT (FIG. RR, SS) ● Unplug your saw. 1. Loosen the bolts (1) and remove the belt cover. 2. Turn the screw (2) anti-clockwise with a hex wrench to move the motor to forward. 3. Remove and replace the belt. 4. Turn the screw (2) clockwise with a hex wrench to move the motor to rearward. Do not over tighten. 5. Replace the belt cover and tighten the bolts. Fig. RR AUXILARY WOOD FENCE (FIG.
CUTTING BASE MOLDING (FIG. TT) Base moldings and many other moldings can be cut on a compound miter saw. The setup of the saw depends on molding characteristics and application, as shown. Perform practice cuts on scrap material to achieve best results: 1. Always make sure moldings rest firmly against fence and table. Use hold-down, crown molding vise or C-clamps, whenever possible, and place tape on the area being clamped to avoid marks. 2. Reduce splintering by taping the cut area prior to making the cut.
Bevel/Miter Settings KEY BEVEL MITER SETTING SETTING IL 33.9° IR 33.9° OL 33.9° OR 33.9° TYPE OF CUT Inside corner-Left side 31.6° Right 1. Position top of molding against fence. 2. Miter table set at RIGHT 31.6°. 3. LEFT side is finished piece. Inside corner-Right side 31.6° Left 1. Position bottom of molding against fence. 2. Miter table set at LEFT 31.6°. 3. LEFT side is finished piece. Outside corner-Left side 31.6° Left 1. Position bottom of molding against fence. 2. Miter table set at LEFT 31.
CROWN MOLDING CHART Compound Miter saw Miter and bevel Angle settings Wall to Crown Molding Angle Angle Between Walls 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 52/38° Crown Molding 45/45° Crown Molding Miter Setting Bevel Setting Miter Setting Bevel Setting 42.93 42.39 41.85 41.32 40.79 40.28 39.76 39.25 38.74 38.24 37.74 37.24 36.75 36.27 35.79 35.
MAINTENANCE MAINTENANCE the carbon part fits into. Tighten the cap snugly, but do not overtighten. ! DANGER To avoid injury, never put lubricants on the blade while it is spinning. NOTE: To reinstall the same brushes, first make sure the brushes go back in the way they came out. This will avoid a break-in period that reduces motor performance and increases wear.
SAWDUST Periodically, sawdust will accumulate under the work table and base. This could cause difficulty in the movement of the worktable when setting up a miter cut. Frequently blow out or vacuum up the sawdust. Fig. XX Link Link ! WARNING If blowing sawdust, wear proper eye protection to keep debris from entering eyes. Chop pivot LUBRICATION (FIG.
TROUBLESHOOTING GUIDE ! WARNING To avoid injury from accidental starting, always turn switch OFF and unplug the tool before moving, replacing the blade or making adjustments. TROUBLESHOOTING GUIDE - MOTOR PROBLEM PROBLEM CAUSE Brake does 1. Motor brushes not sealed not stop blade or lightly sticking. within 10 2. Motor brake overheated seconds. from use of defective or wrong size blade or rapid ON/OFF cycling. 3. Arbor bolt loose. 4. Brushes cracked, damaged, etc. 5. Other. Motor does 1.
TROUBLESHOOTING GUIDE - SAW OPERATION PROBLEM Blade hits table. Angle of cut not accurate. Can not adjust miter. Cutting arm wobbles. Cutting arm will not fully raise, or blade guard won’t fully close. Blade binds, jams, burns wood. PROBLEM CAUSE SUGGESTED CORRECTIVE ACTION See ADJUSTMENT -Setting Cutting Depth section. See OPERATION - Miter Angle Adjustment section. Vacuum or blow out dust. WEAR EYE PROTECTION. Contact Sears Service Center. 1. Misalignment. 1. 1. Miter table unlocked. 2.
PARTS LIST 12 in. COMPOUND MITER SAW ! MODEL NO. 137.212210 WARNING When servicing use only CRAFTSMAN replacement parts. Use of any other parts many create a HAZARD or cause product damage. Any attempt to repair or replace electrical parts on this Miter Saw may create a HAZARD unless repair is done by a qualified service technician. Repair service is available at your nearest Sears Service Center. PARTS LIST FOR SAW SCHEMATIC A I.D.
12 in. COMPOUND MITER SAW MODEL NO. 137.
12 in. COMPOUND MITER SAW MODEL NO. 137.212210 PARTS LIST FOR SAW SCHEMATIC B I.D. Description Qty I.D. Description Size 0831 SHAFT SLEEVE Size 1 0KR1 LOCK NUT M16*2.0 T=16 1 Qty 2750 CAUTION LABEL 1 0KR4 LOCK NUT M8*1.
12 in. COMPOUND MITER SAW MODEL NO. 137.
12 in. COMPOUND MITER SAW MODEL NO. 137.212210 PARTS LIST FOR SAW SCHEMATIC C I.D. Description Size Qty I.D.
12 in. COMPOUND MITER SAW MODEL NO. 137.
12 in. COMPOUND MITER SAW MODEL NO. 137.212210 PARTS LIST FOR MOTOR I.D. 0JB8 0JX3 0JXC 0K38 0K3T 0K3Y 0KLA 0Q9K 0QM2 0QQT 0QR0 0QR1 26AZ 26DF 26PD 2MYR 2PRU 2QY7 Y430 Description WAVE WASHER HEX. SOC. SET SCREW HEX. SOC. SET SCREW CR. RE. PAN HD. SCREW & WASHER CR. RE. PAN HD. SCREW & WASHER CR. RE. PAN HD. SCREW & WASHER PLASTIC SCREW FLOW GUIDE BRUSH HOLDER ASS’Y BRUSH ASS’Y BRUSH COVER RUBBER PIN ARMATURE ASS’Y FRONT HOUSING MOTOR PULLEY FIELD ASS’Y CR. RE.
NOTE 55
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