For portable use, place | Craftsman 137.21239 instruction

NOTE: Mounting hardware is not included with this tool. Bolts, nuts, washers and screws must be purchased separately.

2.For portable use, place the

saw on a 3/4 in. thick piece of plywood. Bolt the base

of the miter saw securely to the plywood using the mounting holes on the base. Use C-clamps to clamp this mounting board to a stable work surface at the worksite.

Fig. J

REMOVING OR INSTALLING THE BLADE

Removing Blade (Fig. K, L and M)

!WARNING

●To avoid injury from an accidental start, make sure the switch is in the OFF position and plug is not connected to the power source outlet.

●Only use a 12-inch diameter blade.

1.Unplug the saw from the outlet

2.Raise the miter saw to the upright position.

3.Raise the lower clear plastic blade guard (1) to the uppermost position. (Fig. K)

4.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 expose the arbor bolt (4). (Fig. K)

6.Place the blade end wrench over the arbor bolt.

Fig. K

2

1

3

4

7.Locate the arbor lock (5) on the motor. (Fig. L)

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.

Fig. L

5

9. Remove the arbor bolt (4), the arbor collar (6), and the blade (7). Do not remove the inner blade collar.

(Fig. M)

10.Raise the lower clear plastic blade guard (1) to the upright position (Fig. K) to remove the blade.

21

Image 21

Craftsman 137.21239 operating instructions For portable use, place, Removing or Installing the Blade

Contents

Sears, Roebuck and Co., Hoffman Estates, lL 60179 USA Table of Contents Product Specifications WarrantyMotor Blade Size Symbols ProhibitionSupport and Clamp Work USE Proper Extension Power Tool Safety Wear a Face Mask or Dust Always Wear EYEDisconnect Tools from Reduce the Risk 24. ! Danger People Compound Miter SAW Safety Electrical Requirements Power Supply and Motor Specifications Motor Safety Protection Important Electrical Requirements cont’dDouble Insulated Guidelines for Extension Cords Be sure your extension cord isUse a separate electrical circuit Accessories and Attachments Recommended AccessoriesAccessories Supplied Not supplied Blade Wrench Tools Needed for AssemblyHex Key Combination Square Must be True Carton Contents Know Your Sliding Miter SAW Instruction or OWNER’S Glossary of Terms Revolutions PER Minute RPM Woodworking Terms Estimated Assembly Time 5 10 minutes Assembly and AdjustmentsInstalling the Miter Handle FIG. a Unlocking the Slide Carriage FIG. B Installing the HOLD-DOWN Clamp FIG. F and G Installing the Exhaust Port and the Dust BAG FIG. ERemoving and Installing the Table Insert FIG. H Locking Mounting the Miter SAW FIG. I, J Fig. H For portable use, place Removing or Installing the Blade Fig. M Installing Blade FIG. K, L, M Class II Laser Product Laser Beam Bevel Adjustment Fig. P Bevel Pointer Adjustment Fig. O Miter Scale Indicator Adjustment FIG. Q Miter Angle Adjustment FIG. Q Adjusting Fence Squareness FIG. R Setting Cutting Depth FIG. SAdjusting Cutting Depth FIG. S Fig. T Sliding the Rear Extension Support BAR FIG. T Adjustments Requirements and Safety Before Each USE Inspect Your SAWOperation Plan Your Work Keep Your Work Area Clean Inspect Your Workpiece Dress for SafetyDo not OVER-REACH Never cut freehand When SAW is Running Finishing a cut Body and Hand Position FIG. UBefore freeing jammed material Basic SAW Operations Sliding Fence & Remove Sliding Fence FIG. W Sliding FenceSliding Carriage System FIG Before Leaving the SAW Miter CUT FIG. YBevel CUT FIG. Z Bevel Stop for Crown Molding FIG. AA Compound CUT FIG. BBTo Slide Cut Wide Boards Fig. CC Fig. CC Fig. DD Cutting Base Molding FIG. GG Auxiliary Wood Fence FIG. FF Only When the Angle Between the Walls Equals Bevel/Miter SettingsCutting Crown Molding FIG. HH Equal exactly Compound Miter saw Crown Molding Chart Maintenance MaintenanceReplacing Carbon Brushes FIG. JJ Lower Blade Guard Sawdust Lubrication FIG. KKCentral pivot of plastic guard Use Troubleshooting Guide EYE Protection Parts List Schematic a Parts List for SAW Schematic B Schematic B Parts List for Motor Page Get it fixed, at your home or ours