RIDGID R4121 To Miter CUT / Cross CUT, To align with miter scale, To bypass preset index points

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OPERATION

MITER THUMBWHEEL

The miter thumbwheel, when used with the miter lock lever lifted (unlocked), can release the miter table from pre-set index points.

To align with miter scale:

Lift the miter lock lever to unlock.

Rotate and hold thumbwheel so that the yellow dot on the thumbwheel aligns with indicator point (white dot) on the miter lock lever to override index points.

When close to desired angle, release the thumbwheel. NOTE: When the orange dot on the thumbwheel clicks into place (aligned with the indicator point), the miter table is locked into a preset index point.

Push the miter lock lever down to lock the miter table.

To bypass preset index points:

Lift the miter lock lever to unlock.

Rotate the thumbwheel so that the white dot on the thumbwheel aligns with the indicator point (white dot) on the miter lock lever.

TO MITER CUT / CROSS CUT

See Figures 28 - 29.

A cross cut is made by cutting across the grain of the workpiece. A straight cross cut is made with the miter table set at the 0° position. Miter cross cuts are made with the miter table set at some angle other than 0°.

Raise saw arm to its full height.

Lift the miter lock lever to unlock. Rotate the miter table until the pointer aligns with the desired angle on the miter scale.

NOTE: You can quickly locate 0°, 15°, 22.5°, 31.6°, and 45° left or right by spinning the miter thumbwheel up. The lock plate will seat itself in one of the index points located in the miter table base.

Push the miter lock lever down to lock the miter table.

Place the workpiece flat on the miter table with one edge securely against the fence. If the board is warped, place the convex side against the fence. If the concave edge of a board is placed against the fence, the board could collapse on the blade at the end of the cut, jamming the blade. See Figures 40 - 41.

When cutting long pieces of lumber or molding, support the opposite end of the stock with a roller stand or with a work surface level with the saw table. See Figure 35.

Align cutting line on the workpiece with the edge of saw blade.

Grasp the stock firmly with one hand and secure it against the fence. Use the work clamp or a C-clamp to secure the workpiece when possible.

Before turning on the saw, perform a dry run of the cut- ting operation to make sure that no problems will occur when the cut is made.

Grasp the saw handle firmly. Squeeze the switch trigger. Allow several seconds for the blade to reach maximum speed.

WORK

CLAMP

CROSS CUT

Fig. 28

 

WORK

CLAMP

MITER CUT

Fig. 29

 

Slowly lower the blade into and through the workpiece.

Release the switch trigger and allow the saw blade to stop rotating before raising the blade out of workpiece and removing the workpiece from the miter table.

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Contents OPERATOR’S Manual Table 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 MeaningCord Length Wire Size A.W.G ElectricalDouble Insulation Electrical ConnectionGlossary of Terms Features Product SpecificationsMiter ScaleKnow Your Compound Miter SAW 12 IN. BladeAMP Motor Blade Wrench StorageSwitch Trigger REPEAT-A-CUTSELF-RETRACTING Lower Blade Guard Sliding Miter FencesTools Needed Combination WRENCH, 12 mmPhillips Screwdriver Combination Square Framing Square Installed on Tool Loose PartsBlade Washer Bolt Work Clamp Dust BAG HEX KEY HEX KEY, 1/16Assembly UnpackingMounting Holes Trace HolesInstalling the Work Clamp To install the work clampDust Guide Dust BAGInstalling the Blade Tighten Securely To Prevent Guard MovementBlade Blade Laser Guide Loosen TightenCutting a Slot in the Zero Clearance Throat Plate Aligning the Laser Guide LineBroken Line Adjusting the Miter Lock Lever To adjustSquaring the SAW Blade to the Fence Miter Lock Lever Lift to Unlock Push Down to LockView of Blade Square with Fence Adjusting the Bevel Lock Lever Adjusting the Bevel PivotTravel Pivot Adjustment Push Back To Lock BevelSquaring the Blade to the Miter Table See Figures 24Blade Bevel Lock Lever Correct View of BladeOperation ApplicationsCutting with Your Compound Miter SAW To bypass preset index points To Miter CUT / Cross CUTTo align with miter scale See Figures 28To Bevel CUT See Figures 30Bevel Lock Bevel Scale Stop PIN Bevel CUT ClampTo Compound Miter CUT Compound Miter CUTSupporting Long Workpieces Clamping Wide Workpieces45 x 45 Compound Miter CUT Long WorkpieceMaking AN Auxiliary Fence To attach the auxiliary fence to the sawAuxiliary Fence COMPOUND-ANGLE Settings for Popular Structures Cutting Compound MitersCutting Crown Molding 38˚ / 52˚ 45˚/45˚Angle Miter / Bevel MITER/BEVEL 38˚/52˚ 45˚/45˚Laying Molding Flat on the Miter Table CeilingInside Corner Fence Using a Crown Molding JIG Making a Crown Molding JIGCrown Molding JIG Cutting Warped Material See Figures 40Wrong RightAdjustments MaintenanceTo Adjust the Laser Guide General MaintenanceBrush Replacement Proceed as follows when replacement is requiredChanging the Batteries Accessories Checking Motor Belt Tension and Replacing the BeltWarranty DAY Satisfaction Guarantee PolicyWhat is Covered Under the 3 Year Limited Service Warranty HOW to Obtain Service What is not CoveredCustomer Service Information Model No R4121 Serial No

R4121 specifications

The RIDGID R4121 is a powerful and versatile table saw that has made a significant impact in the woodworking and construction industries. This innovative tool is designed to meet the needs of both professional contractors and DIY enthusiasts, offering a blend of performance, precision, and portability.

One of the standout features of the R4121 is its robust 15-amp motor, which provides ample power to handle a wide range of cutting tasks. This motor delivers a no-load speed of 5,000 RPM, allowing users to rip through hardwoods, softwoods, and composite materials with ease. The saw's 10-inch blade gives users the ability to make clean, straight cuts, while the adjustable blade height and angle settings enable bevel cuts and varied depths for more complex woodworking projects.

Portability is a key characteristic of the RIDGID R4121. With its compact design and lightweight construction, it can be easily transported to job sites or moved around the workshop. The saw features a sturdy folding stand that can be set up quickly, providing stability while saving valuable space when not in use. This makes it an ideal choice for those who need a dependable table saw that doesn’t sacrifice performance for portability.

In terms of safety, the R4121 is equipped with an array of features designed to protect users during operation. It includes a blade guard for added protection, an anti-kickback pawl for preventing kickbacks, and an emergency stop switch for quick shutdown in case of an unexpected emergency. These safety features enhance user confidence, making it a smart choice for both novice and experienced woodworkers.

The Ridgid R4121 also incorporates advanced technologies to enhance usability and precision. The rack and pinion fence system ensures accurate and consistent cuts, allowing users to make easy adjustments for various workpieces. Additionally, the miter gauge included with the saw provides added versatility for cross-cutting and angled cuts, making it suitable for a diverse array of projects.

Overall, the RIDGID R4121 is a well-rounded table saw that excels in performance, safety, and convenience. Whether you’re tackling home improvement tasks or working on larger construction projects, this tool is designed to deliver reliability and professional-grade results, making it a valuable addition to any workshop. With its combination of power, portability, and precision, the R4121 is poised to become a favorite among users who demand quality and performance in their woodworking tools.
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