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Craftsman 320.21228 Operator's Manual

10-in. compound miter saw and stand combo
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Model No. 320.21228
Read, understand
follow all Safety Rules and Operating
in this Manual
before using
this product.
Sears, Roebuck and Co., Hoffman
IL 60179



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  Summary of Contents for Craftsman 320.21228

  • Page 1 Model No. 320.21228 • WARRANTY • SAFETY CAUTION! Read, understand • UNPACKING follow all Safety Rules and Operating • ASSEMBLY Instructions in this Manual before using • DESCRIPTION this product. • MAINTENANCE Sears, Roebuck and Co., Hoffman Estates, IL 60179
  • Page 2: One Year Full Warranty

    Sears store or Parts & Repair Center or other Craftsman outlet in the United States for free repair (or replacement, if repair proves impossible).
  • Page 3: Safety Alert Symbol

    We recommend a Wide Vision Safety Mask for use over eyeglasses or standard safety glasses with side shield, available at Sears Stores or other Craftsman outlets. 21228 Manual Revised 08-0307 Page 3...
  • Page 4 _lk WARNING: Be sure to read, understand and follow all Safety rules and operating instructions in this Manual before using this tool. Failure to do so may result in electric shock, fire and/or serious personal injury. SAFETY PRECAUTIONS FOR LASERS This Miter Saw has a built-in laser light.
  • Page 5: Work Area Safety

    WORK AREA SAFETY Keep your work area clean and well lit. Do not leave tools or wood scraps on the saw while it is in operation. Cluttered workbenches and dark areas invite accidents • Do not operate power tools in explosive environments, such as in the presence...
  • Page 6: Electrical Safety

    TOOL USE AND CARE SAFETY WARNING: Be sure to read, understand, and follow all safety rules and operating instructions in this manual before using this tool. Failure to do so may result in electric shock, fire, and/or serious personal injury. •...
  • Page 7: Extension Cords

    • Double insulation eliminates the need for the three-wire grounded power cord and grounded power-supply system. Applicable only to Class II (double- insulated) tools. This compound miter saw is a double insulated tool. WARNING: Double insulation does not take the place of normal safety precautions when operating this tool.
  • Page 8: Safety Symbols

    Recommended size of extension cords Volts Total length of the extension cord Amperage rating 120v 25ft. 50ft. 100ft. 150ft. 240v 50ft. 100ft. 200ft. 300ft. More than Not more than Minimum Gauge for the extension cord (AWG) Not recommended ,& WARNING: Ensure that the power-supply outlet in question is properly...
  • Page 9: Safety Rules For Miter Saws

    When servicing a tool, use only identical replacement parts. Follow instructions in the maintenance section of this manual. Use of unauthorized parts or failure to follow maintenance instructions may create a risk of electric shock or injury. SAFETY RULES FOR MITER SAWS •...
  • Page 10 • Always keep blades clean, sharp, and with the sufficient set. Sharp blades minimize stalling and kickback. • Do not use dull or damaged blades. Bent blades can break easily or cause kickback. • Do not remove the saw's blade guards. •...
  • Page 11 • Crystalline silica from bricks and cement and other masonry products. • Arsenic and chromium from chemically-treated lumber. Your risk from these exposures varies, depending upon how often you do this type of work. To reduce your exposure to these chemicals: •...
  • Page 12: Glossary Of Terms For Woodworking

    ADDITIONAL RULES FOR SAFE OPERATION A_, WARNING: Use of this tool can generate and/or disburse dust, which may cause serious and permanent respiratory or other injury. Always use NIOSH/ OSHA approved respiratory protection appropriate for the dust exposure. Direct particles away from face and body.
  • Page 13 • Flange: A ring or collar on the end of a spindle or arbor that permits other objects, such as a blade, to be attached to it. • Freehand Cut: Performing a cut without using a fence, miter gauge, fixture, work clamp, or other proper device to keep the workpiece from twisting moving during the cut.
  • Page 14 If any of the items listed are missing, or any breakage or damage has occurred, return the saw to your nearest Sears store or Craftsman outlet to have the saw replaced. CARTON CONTENTS/LOOSE PARTS Extension rails Miter-lock knob _f''h...
  • Page 15 0 °, 15 °, 22.5 °, 31.6 °, and 45 ° for precise cuts. Bevel cuts from 0° to 46 ° left. Ergonomically designed handle with molded-in comfort grip for maximum control and comfort when cutting. 3 Craftsman® 10-in blades: 80-tooth, 100-tooth, and 120-tooth blades for smooth cutting...
  • Page 16 Fig. 1 ON/OFF trigger switch Horizontal, rubberized D-handle Safety lock-off button Upper blade guard 5. Arbor-bolt guard Dust-extraction port Saw blade Laser aperture Mounting holes 11 12 10. Miter table 11. Miter-angle scale 12. Throat plate 13. Miter-angle indicator 14. Miter-lock knob 15.
  • Page 17: Specifications

    PRODUCT SPECIFICATIONS Supply power 120V, 60Hz Rated current No load speed 5500 RPM Saw blade size 10" (25.4 cm.) (80, 100, 120-tooth) Miter angle 46 ° left to 46 ° right Bevel angle 46 ° left CUTTING CAPACITIES Maximum Angle Setting Type of cut Miter Bevel...
  • Page 18 KNOW THE MITER SAW STAND (Fig. 2) Before attempting to use the Miter Saw Stand, become familiar with all of its operating features and safety requirements Fig. 2 6. Rubber Foot Pads 1. Spring-Loaded Locking 2. Notch 7. Tabletop Assembly 3.
  • Page 19 Grasp the other bar and lift the Tabletop Assembly, as shown in Fig. 5. 'Fig. _4 F_ig. Continue to lift the Tabletop Assembly while the Base remains in place on the floor, as shown in Fig.6. Continue to lift the Tabletop Assembly until it is completely vertical (Fig.
  • Page 20 With one foot still on the Base Bar, lower the Tabletop Assembly onto the Support Bar (8), while making sure that the Support Bar is placed into the Notch (Fig. 10). Pull the Spring-Loaded Locking Pin back, so that the Support Bar and Tabletop groove fit together securely, and then release the Spring-Loaded...
  • Page 21 MOUNTING THE MITER SAW TO THE STAND (Fig. 16) 1. Check the Miter Saw for the number of Fig. 16 mounting holes and their locations. Choose the corresponding hole locations on the Tabletop Assembly of the Miter Saw Stand. Change the width of the Tabletop Assembly, if necessary, to accommodate the Miter Saw.
  • Page 22 SETTING UP THE MITER SAW Installing the dust bag (see Fig. 17) Fig. 17 Dust bag Place the bag's neck opening around the dust-extraction port. ust extraction Emptying the dust bag The dust bag is equipped with a zipper to make it easy to empty the bag.
  • Page 23: Adjusting The Blade

    Installing the blade 1. Unplug the saw. Ensure that the inner flange is properly installed. Match the arrow on the blade with the arrow on the upper blade guard. Make sure that the blade teeth are pointing downward. Install the selected blade by sliding the blade into the upper blade guard and then placing the blade into position...
  • Page 24 Lower the saw arm and lock it into the DOWN position. Using a square, place the heel of the square against the blade, and the rule of the square against the fence. NOTE: Be sure to rest the square against the body of the blade and not against the teeth of the blade.
  • Page 25 When the angle is set, engage the lock Fig. 24b bolt and tighten the bevel-lock knob. ADJUSTING THE BLADE TO THE MITER TABLE: 45 ° Bevel, 0 ° MITER (Fig. 25 and Fig. 26) WARNING: Failure to unplug your Adjustable nut saw could result in accidental starting causing serious injury.
  • Page 26: Pivot Adjustments

    Miter-angle indicator adjustment (if necessary) 1. Unplug the saw. ,_, WARNING: Failure to unplug your saw could result in accidental starting causing serious injury. Place the miter table at the zero position, making sure the miter-lock knob is securely tightened. Loosen the miter-angle indicator screw and adjust the indicator to the "0"...
  • Page 27 WARNING: To avoid risk of personal injury, if your saw arm does not rise by itself or if there is play in the pivot joints, have your saw serviced at a Sears Service Center before using. Bevel-Pivot Adjustment: Your miter saw arm should bevel easily by loosening the bevel-lock knob and...
  • Page 28 in place, and that there is no excessive movement of Miter Saw parts. Selection of workpiece 1. Be cautious with pitchy, knotty, wet, or warped workpieces. These materials are likely to create pinching conditions. Workpieces that bow and pinch may result in the saw blade kicking back. Before cutting, inspect for and remove any nails from the workpiece.
  • Page 29 Press the laser ON/OFF switch forward to turn on the laser. Align the left side of laser line with the right side of cut line. The blade will cut the line marked on wood piece. NOTE: The laser adjustment already been made at the factory. The left side of the laser line aligns with the right side of the blade.
  • Page 30 Gently raise the saw head and remove the workpiece. Do not remove the workpiece from the sawing plate until the blade has stopped rotating. Ensure that the lower blade guard can easily close. Unplug the tool. Remove loose or scrap pieces. CROSSCUTS (Fig 33 and Fig 34) A crosscut is a cut made across the Fig.
  • Page 31: Bevel Cutting

    13. When cutting long workpieces, support the opposite end of the workpiece with a roller stand or with another work surface that is level with the saw table. WARNING: To avoid serious personal injury, always securely tighten the miter-lock knob before making a cut. Failure to do so could result in movement of the control arm or miter table while making a cut.
  • Page 32 Pull out the locking pin to release the saw arm. 4. To make a bevel cut, loosen the bevel-lock knob by turning the knob counter clockwise. 5. Tilt the saw arm to the desired bevel angle as indicated on the bevel scale. The blade can be positioned at any angle, from a 90 °...
  • Page 33: Base Molding

    CUTTING BASE MOLDING (Fig. 36) Base moldings and many other moldings Fig. 36 Molding lying flat on miter table can be cut on a miter saw. The proper (before clamping) setup of the saw depends on base molding ¢_ Fence characteristics and applications, described below.
  • Page 34 Once the two correct settings for a particular cut have been obtained, always make a test cut in scrap material before making a finish cut in good material. To Make a Compound Miter Cut with the Miter Saw (Fig. 37) 1.
  • Page 35 WARNING: To avoid serious personal injury, always keep hands outside the "No Hands Zone", as marked on the saw table, which is at least 3 inches (7.6 cm) from the blade. Also, never perform any cutting operation "freehand" (i.e. without holding the workpiece against the fence);...
  • Page 36: Crown Molding

    *PITCH i_ulviDcr_ ur _Juc_ OF SIDE M-29.84 ° M-22.62 ° M-18.32 ° M-15.44 ° M-13.36 ° M-11.79 ° M-10.56 ° B-35.40 ° B-28.78 ° B-24.18 ° B-20.82 ° B- 18.27 ° B- 16.27 ° B- 14.66 ° M-26.57 ° M-19.96 ° M-16.10 °...
  • Page 37 Fig. 38 52° Ceiling Corner Outside Corner Bottom Edge Against Fence = Left Side, Inside Corner Fence -- • Right Side, Inside Corner ..\ utsid/_ MiternereCor COMPOUND BEVEL/MITER SETTINGS Bevel Setting Miter Setting Type of cut Inside corner - Left side 1.
  • Page 38: Maintenance

    CUTTING WARPED MATERIAL (Fig. 39 and 40) WARNING: To avoid kickback and to avoid serious personal injury, never position the concave side of bowed or warped material against the fence. When cutting warped material, be certain that the material to be cut is positioned on the miter table with the convex side against the fence, as shown in Fig.
  • Page 39 Periodic maintenance allows for long life and trouble-free operation. A cleaning and maintenance schedule should be maintained. As a common preventive maintenance practice, follow these recommended steps: Always unplug tool before performing any maintenance operation. When work has been completed, clean the tool to allow smooth functioning of the tool over time.
  • Page 40 SAWDUST Periodically, sawdust will accumulate under the worktable 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. A_, WARNING: Always wear safety goggles or safety glasses with side shields during power tool operations, or when blowing dust.
  • Page 41 PROBLEM PROBABLE CAUSE SUGGESTED CORRECTIVE ACTION Parts failure Contact Sears Service Center Cutting cannot fully Pivot spring not replaced Contact Sears Service Center raise, or properly after service blade guard Saw-head locking pin Check, adjust, and properly set cannot not set properly saw-head locking fully close...
  • Page 42 Compound Miter Saw MODEL NUMBER 320.21228 Always mention the Model Number when ordering parts for this tool. 21228 Manual Revised 08-0307 Page 42...
  • Page 43 ",2'-_ a [,.1I1E_1iii Name Quantity Name Quantity Screw Spring washer Motor cover Screw Screw Screw Brush Lower handle Brush spring Cold clamp Brush hold Screw Screw Screw Spring washer Laser switch Washer Laser switch cap Motor housing Transformer Rubber boot Trigger Wave wsher Cord protector...
  • Page 44 Name Quantity Name Quantity Bearing Trunnion Screw Lock pin Gear case cover Rolled pin Spring washer Lock pin spring Screw Lock pin cap Blade flange inner Pivot shaft Blade Steel cable baffle ring Blade flange outer Torsion spring Blade bolt Spring bushing Rivet Laser carrier...
  • Page 45 Name Quantity Name Quantity Miter pointer Support Clamp plate Knob Spring washer Sunk screw Screw Miter scale board Safety plate Bolt Spring washer Base Screw Washer Spring washer Allen key head screw Screw Screw Detent Clamp Detent button Support Lock bolt Knob Lock handle Workpiece...
  • Page 46 Miter Saw Stand Stand MODEL NUMBER 320.21228 Always mention the Model Number when ordering parts for this tool. 21228 Manual Revised 08-0307 Page 46...
  • Page 47 ",2'-_ a [,.1I1E_1iii Name Name Quantity Quantity outter pole fixed worktable assembly limit position board knob plate clamp ring plate board Washer hexagon screw screw M4x12 moving table slide ring spring cover bolt M4x12 pole cover lock device gemel 11 bolt M4x24 screw M5x38 table pole...
  • Page 48 Your Home For expert troubleshooting and home solutions advice: °°wnww : • ge y o 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.