Craftsman 137.21239 operating instructions Table of Contents

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TABLE OF CONTENTS
SECTION	PAGE
Warranty	2
Product Speciﬁcations	3
Symbols	4
Power Tool Safety	5
Compound Miter Saw Safety	8
Electrical Requirements and Safety	9
Accessories and Attachments	12
Tools Needed for Assembly	13
Carton Contents	14
Know Your Compound Miter Saw	15
Glossary of Terms	16
Assembly and Adjustments	18
Operation	28
Maintenance	40
Troubleshooting Guide	42
Parts List	44

!WARNING

Some dust created by using power tools contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are:

●Lead from lead-based paints

●Crystalline silica from bricks, cement and other masonry products

●Arsenic and chromium from chemically treated lumber Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemicals, work in a well ventilated area and work with approved safety equipment such as dust masks that are specially designed to ﬁlter out microscopic particles.

!WARNING

To avoid electrical hazards, ﬁre hazards or damage to the tool, use proper circuit protection.

This tool is wired at the factory for 110-120 Volt operation. It must be connected to a 110-120 Volt / 15 Ampere time delay fuse or circuit breaker. To avoid shock or ﬁre, replace power cord immediately if it is worn, cut or damaged in any way.

Before using your tool, it is critical that you read and understand these safety rules. Failure to follow these rules could result in serious injury to you or damage to the tool.

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Contents Sears, Roebuck and Co., Hoffman Estates, lL 60179 USA Table of Contents Motor WarrantyProduct Specifications Blade SizeSupport and Clamp Work SymbolsProhibition Power Tool Safety USE Proper ExtensionDisconnect Tools from Always Wear EYEWear a Face Mask or Dust Reduce the Risk24. ! Danger People Compound Miter SAW Safety Power Supply and Motor Specifications Electrical RequirementsDouble Insulated Motor Safety Protection ImportantElectrical Requirements cont’d Use a separate electrical circuit Guidelines for Extension CordsBe sure your extension cord is Accessories Accessories and AttachmentsRecommended Accessories Hex Key Tools Needed for AssemblySupplied Not supplied Blade Wrench Combination Square Must be TrueCarton Contents Know Your Sliding Miter SAW Glossary of Terms Instruction or OWNER’SWoodworking Terms Revolutions PER Minute RPMInstalling the Miter Handle FIG. a Assembly and AdjustmentsEstimated Assembly Time 5 10 minutes Unlocking the Slide Carriage FIG. BRemoving and Installing the Table Insert FIG. H Installing the Exhaust Port and the Dust BAG FIG. EInstalling the HOLD-DOWN Clamp FIG. F and G LockingFig. H Mounting the Miter SAW FIG. I, JRemoving or Installing the Blade For portable use, placeInstalling Blade FIG. K, L, M Fig. MLaser Beam Class II Laser ProductBevel Pointer Adjustment Fig. O Bevel Adjustment Fig. PMiter Angle Adjustment FIG. Q Miter Scale Indicator Adjustment FIG. QAdjusting Cutting Depth FIG. S Adjusting Fence Squareness FIG. RSetting Cutting Depth FIG. S Sliding the Rear Extension Support BAR FIG. T Fig. TOperation AdjustmentsRequirements and Safety Before Each USE Inspect Your SAW Keep Your Work Area Clean Plan Your WorkDo not OVER-REACH Dress for SafetyInspect Your Workpiece Never cut freehandWhen SAW is Running Before freeing jammed material Body and Hand Position FIG. UFinishing a cut Basic SAW OperationsSliding Carriage System FIG Sliding Fence & Remove Sliding Fence FIG. WSliding Fence Bevel CUT FIG. Z Before Leaving the SAWMiter CUT FIG. Y To Slide Cut Wide Boards Fig. CC Bevel Stop for Crown Molding FIG. AACompound CUT FIG. BB Fig. DD Fig. CCAuxiliary Wood Fence FIG. FF Cutting Base Molding FIG. GGCutting Crown Molding FIG. HH Bevel/Miter SettingsOnly When the Angle Between the Walls Equals Equal exactlyCrown Molding Chart Compound Miter sawReplacing Carbon Brushes FIG. JJ MaintenanceMaintenance Lower Blade GuardCentral pivot of plastic guard Use SawdustLubrication FIG. KK 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