RIDGID MS1290LZA Supporting Long Workpieces, Clamping Wide Workpieces, 45 x 45 Compound Miter CUT

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OPERATION

SUPPORTING LONG WORKPIECES

See Figures 39 - 40.

Long workpieces need extra supports. Supports should be placed along the workpiece so it does not sag. The support should let the workpiece lay flat on the base of the saw and miter table during the cutting operation. Use the work clamp or a C-clamp to secure the workpiece.

NOTE: When making a compound miter cut as shown in figure 39, it may be necessary to adjust or remove the sliding miter fence to insure proper clearance prior to making the cut.

LONG

WORKPIECE

WORKPIECE
SUPPORTS	Fig. 40
	Fig. 40

CLAMPING WIDE WORKPIECES

See Figure 42.

When cutting wide workpieces, such as 2 in. x 12 in., boards should be clamped with a C-clamp.

45° x 45° COMPOUND MITER CUT

Fig. 39

WIDE BOARD

Fig. 41

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Contents OPERATOR’S Manual MS1290LZATable of Contents IntroductionGeneral Safety Rules Read ALL Instructions Blade Coasts After Being Turned OFF Specific Safety Rules  Before Making a CUT, be Sure ALL ADJUST- Ments are SecureSpecific Safety Rules Symbols Symbol Name DESIGNATION/EXPLANATIONService Symbol Signal MeaningDouble Insulation Cord Length Wire Size A.W.GElectrical Electrical ConnectionGlossary of Terms Features Product SpecificationsAMP Motor Know Your Compound Miter SAW12 IN. Blade Bevel Lock LeverMiter Scale Switch TriggerMiter Lock Lever Miter ThumbwheelCombination Square Tools NeededRatchet Phillips Screwdriver Framing SquareFlat Head Socket CAP Screw Loose PartsDust BAG Work Clamp HEX KEY Blade Wrench Dust GuideAssembly UnpackingMounting Holes SAW ARM Using the Depth GuideLocking / Unlocking the SAW ARM Depth GuideDust BAG Frame Guide Exhaust Port Installing the Dust BAGInstalling the Work Clamp Work ClampInstalling / Replacing the Blade To Cut the Mark Aligning the Laser Guide LineRemoving the Mark To Leave the MarkRemoving / Replacing the Zero CLEAR- Ance Throat Plate Centering the SAW Blade Between the Slide BarsSquaring the SAW Blade to the Fence Adjusting the Miter Lock LeverTo adjust See Figures 17Indicator Fig View of Blade Square with Fence Miter ScaleTravel Pivot Adjustment Adjusting the Bevel Lock LeverAdjusting the Bevel Pivot Bevel Lock Lever Lift to UnlockSee Figures 27 IndicatorSquaring the Blade to the Miter Table Sliding Miter FenceOperation ApplicationsCutting with Your Sliding Compound Miter SAW To Slide CUT See Figures 31Slide CUT Slide SAW ARM Forward then Push Down Back Work Clamp To Miter CUT / Cross CUT See Figures 33 Cross CUT Work Clamp Miter CUTSee Figures 35 Scale Indicator BevelTo Bevel CUT Bevel CUT Clamp Lock PINTo Compound Miter CUT Compound Miter CUTLong Workpiece Supporting Long WorkpiecesClamping Wide Workpieces 45 x 45 Compound Miter CUTDepth Guide CUT These Grooves With SAW Using AN Auxiliary FenceRough Cutting a Dado Auxiliary FenceCOMPOUND-ANGLE Settings for Popular Structures Cutting Compound MitersPitch Side Ceiling Cutting Crown MoldingLaying Molding Flat on the Miter Table Inside Corner FenceUsing a Crown Molding Support JIG Making a Crown Molding Support JIGCrown Molding JIG Adjustment Screw Laser Button Aperture HEX KEY Mark AdjustmentsTo Adjust the Laser Guide Cutting Warped MaterialBrush Replacement MaintenanceGeneral Maintenance LubricationMotor Belt Tension To adjust belt tensionScrew Battery Cover Batteries Negative Changing the BatteriesAccessories Miter Saw Utility VehicleWhat is Covered Under the 3 Year Limited Service Warranty WarrantyDAY Satisfaction Guarantee Policy HOW to Obtain Service What is not CoveredMS1290LZA Customer Service InformationModel No Serial No