Craftsman 137.21239 operating instructions Operation, Adjustments

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OPERATION

SAFETY INSTRUCTIONS FOR BASIC SAW OPERATION

BEFORE USING THE MITER SAW

!WARNING

To avoid mistakes that could cause serious, permanent injury, do not plug the tool in until the following steps are completed:

●Completely assemble and adjust the saw, following the instructions. (ASSEMBLY AND

ADJUSTMENTS)

●Learn the use and function of the ON/OFF switch, lock-off switch, upper and lower blade guards, hold down latch, bevel lock handle and cover plate screws.

●Review and understand all safety instructions and operating procedures in this Operator’s Manual. (SAFETY & OPERATIONS)

●Review the MAINTENANCE and TROUBLESHOOTING GUIDE for your miter saw.

●To avoid injury or possible death from electrical shock:

Make sure your ﬁngers do not touch the plug’s metal prongs when plugging or unplugging your miter saw. (ELECTRICAL

REQUIREMENTS AND SAFETY)

BEFORE EACH USE INSPECT YOUR SAW.

●Disconnect the miter saw. To avoid injury from accidental starting, unplug the saw before any

adjustments, including set-up and blade changes.

●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. The lower guard should fully close. Follow instructions in TROUBLESHOOTING GUIDE for adjustment if necessary.

●Other conditions that may affect the way the miter saw works.

●Keep all guards in place, in working order and proper adjustment. If any part of this miter saw is missing, bent, damaged or broken in any way, or any electrical parts don’t work, turn the saw off and unplug it.

●Replace bent, damaged, missing or defective parts before using the saw again.

●Maintain tools with care. Keep the miter saw clean for best and safest performance. Follow instructions for lubricating. Do not put lubricants on the blade while it is spinning.

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Contents Sears, Roebuck and Co., Hoffman Estates, lL 60179 USA Table of Contents Warranty Product SpecificationsMotor Blade SizeProhibition SymbolsSupport and Clamp Work Power Tool Safety USE Proper ExtensionAlways Wear EYE Wear a Face Mask or DustDisconnect Tools from Reduce the Risk24. ! Danger People Compound Miter SAW Safety Power Supply and Motor Specifications Electrical RequirementsElectrical Requirements cont’d Motor Safety Protection ImportantDouble Insulated Be sure your extension cord is Guidelines for Extension CordsUse a separate electrical circuit Recommended Accessories Accessories and AttachmentsAccessories Tools Needed for Assembly Supplied Not supplied Blade WrenchHex Key Combination Square Must be TrueCarton Contents Know Your Sliding Miter SAW Glossary of Terms Instruction or OWNER’SWoodworking Terms Revolutions PER Minute RPMAssembly and Adjustments Estimated Assembly Time 5 10 minutesInstalling the Miter Handle FIG. a Unlocking the Slide Carriage FIG. BInstalling the Exhaust Port and the Dust BAG FIG. E Installing the HOLD-DOWN Clamp FIG. F and GRemoving and Installing the Table Insert FIG. H 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. QSetting Cutting Depth FIG. S Adjusting Fence Squareness FIG. RAdjusting Cutting Depth FIG. S Sliding the Rear Extension Support BAR FIG. T Fig. TRequirements and Safety Before Each USE Inspect Your SAW AdjustmentsOperation Keep Your Work Area Clean Plan Your WorkDress for Safety Inspect Your WorkpieceDo not OVER-REACH Never cut freehandWhen SAW is Running Body and Hand Position FIG. U Finishing a cutBefore freeing jammed material Basic SAW OperationsSliding Fence Sliding Fence & Remove Sliding Fence FIG. WSliding Carriage System FIG Miter CUT FIG. Y Before Leaving the SAWBevel CUT FIG. Z Compound CUT FIG. BB Bevel Stop for Crown Molding FIG. AATo Slide Cut Wide Boards Fig. CC Fig. DD Fig. CCAuxiliary Wood Fence FIG. FF Cutting Base Molding FIG. GGBevel/Miter Settings Only When the Angle Between the Walls EqualsCutting Crown Molding FIG. HH Equal exactlyCrown Molding Chart Compound Miter sawMaintenance MaintenanceReplacing Carbon Brushes FIG. JJ Lower Blade GuardLubrication FIG. KK SawdustCentral 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