OPERATOR’S Manual

12 in. SLIDING COMPOUND MITER SAW WITH EXACTLINE™ LASER

Double Insulated

MS1290LZ1

Your miter saw has been engineered and manufactured to our high standard for dependability, ease of operation, and operator safety. When properly cared for, it will give you years of rugged, trouble-free performance.

WARNING:

To reduce the risk of injury, the user must read and understand the operator’s manual before using this product.

Thank you for buying a RIDGID® product.

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RIDGID MS1290LZ1 manual OPERATOR’S Manual

MS1290LZ1 specifications

The RIDGID MS1290LZ1 is a powerful miter saw designed for both professional tradespeople and avid DIYers, providing exceptional versatility, precision, and ease of use. With its robust features and innovative technologies, this miter saw stands out in the crowded market of power tools.

One of the standout features of the MS1290LZ1 is its powerful 15-amp motor, which generates an impressive 4,000 RPM. This high-speed operation allows for quick and clean cuts through various materials, including hardwood, softwood, and composites. Capable of making both bevel and miter cuts, the saw offers a cutting capacity of up to 12 inches, making it suitable for a range of applications, from framing to crown molding.

The MS1290LZ1 is equipped with a dual bevel system, allowing users to make beveled cuts to the left and right with ease. This means that operators can achieve precise angles without the need to flip or reposition their workpieces, significantly enhancing efficiency. The saw features a generous cutting capacity of 0 to 50 degrees for miter cuts on both sides, enabling a wide variety of projects with intricate angles.

Another notable characteristic of this miter saw is its advanced laser guide system. This technology projects an accurate line of cut directly onto the material, ensuring maximum precision. The adjustable laser can be aligned with the blade for improved accuracy, reducing the likelihood of errors. Additionally, the MS1290LZ1 includes a built-in work light that illuminates the cutting area, providing visibility in low-light environments.

The saw's ergonomic design enhances user comfort during operation. Equipped with a sturdy and lightweight chassis, the MS1290LZ1 is easy to transport, making it an excellent choice for on-site jobs. The handle features a comfortable grip, allowing for extended use without causing fatigue. Moreover, the saw includes a dust collection port that helps maintain a clean workspace by minimizing sawdust and debris.

In conclusion, the RIDGID MS1290LZ1 miter saw combines power, precision, and user-friendly features, making it an ideal tool for both novice and experienced users. With its powerful motor, dual bevel capabilities, advanced laser guide, and ergonomic design, this miter saw offers the versatility and performance needed to tackle any cutting task with confidence. Whether you're framing a house, crafting custom furniture, or working on detailed trim, the MS1290LZ1 is equipped to handle the job efficiently and accurately.

Contents

OPERATOR’S Manual Introduction Table of Contents Read ALL Instructions General Safety Rules Blade Coasts After Being Turned OFF  Before Making a CUT, be Sure ALL ADJUST- Ments are Secure Specific Safety Rules Specific Safety Rules Symbol Name DESIGNATION/EXPLANATION Symbols Symbol Signal Meaning Service Electrical Cord Length Wire Size A.W.GDouble Insulation Electrical Connection Glossary of Terms Product Specifications Features 12 IN. Blade Know Your Compound Miter SAWAMP Motor Bevel Lock Lever Miter Lock Lever Switch TriggerMiter Scale Miter Thumbwheel Ratchet Tools NeededCombination Square Phillips Screwdriver Framing Square Dust BAG Loose PartsFlat Head Socket CAP Screw Unpacking AssemblyMounting Holes Locking / Unlocking the SAW ARM Using the Depth GuideSAW ARM Depth Guide Installing the Work Clamp Installing the Dust BAGDust BAG Frame Guide Exhaust Port Work Clamp Blade Installing / Replacing the BladeOuter Blade Washer Loosen Washer HEX Boltinner Blade Washer with Aligning the Laser Guide Line Mounting the Exactline Laser GuideLaser Broken RED Line Centering the SAW Blade Between the Slide Bars Removing / Replacing the Zero CLEAR- Ance Throat Plate Squaring the SAW Blade to the Fence Adjusting the Miter Lock LeverSee Figures 18 See Figures 20 View of Blade Square with Fence Miter Scale Indicator Fig Adjusting the Bevel Pivot Adjusting the Bevel Lock LeverTravel Pivot Adjustment See Figures 25 Squaring the Blade to the Miter Table IndicatorSee Figures 28 Sliding Miter Fence Applications OperationCutting with Your Sliding Compound Miter SAW See Figures 32 To Slide CUTSlide CUT Slide SAW ARM Forward then Push Down Back See Figures 34 To Miter CUT / Cross CUTWork Clamp Cross CUT Miter CUT To Bevel CUT Scale Indicator BevelSee Figures 36 Bevel CUT Clamp Lock PIN Compound Miter CUT To Compound Miter CUT Clamping Wide Workpieces Supporting Long WorkpiecesSee Figures 40 Long Workpiece Rough Cutting a Dado Using AN Auxiliary FenceSee Figures 43 Depth Guide CUT These Grooves With SAW Cutting Compound Miters COMPOUND-ANGLE Settings for Popular StructuresPitch Side Laying Molding Flat on the Miter Table Cutting Crown MoldingCeiling Inside Corner Fence Making a Crown Molding Support JIG Using a Crown Molding Support JIGCrown Molding JIG General Maintenance MaintenanceCutting Warped Material Lubrication Adjusting Socket Head Screw Brush ReplacementMotor Belt Tension Brush CAP Belt Cover Do not attempt to activate the laser Changing the BatteriesLaser Guide Screws Aperture Cover KEY KEY Miter Saw Utility Vehicle Accessories DAY Satisfaction Guarantee Policy WarrantyWhat is Covered Under the 3 Year Limited Service Warranty HOW to Obtain Service What is not Covered Model No MS1290LZ1 Serial No Customer Service Information