RIDGID R4121 manual Brush Replacement, Changing the Batteries

Page 35

MAINTENANCE

BRUSH REPLACEMENT

See Figure 43.

The saw has externally accessible brush assemblies that should be periodically checked for wear.

Proceed as follows when replacement is required:

Unplug the saw.

WARNING:

Failure to unplug the saw could result in accidental starting causing serious injury.

Remove brush cap with a screwdriver. Brush assembly is spring loaded and will pop out when you remove brush cap.

Remove brush assembly.

Check for wear. Replace both brushes when either has less than 1/4 in. length of carbon remaining. Do not replace one side without replacing the other.

Reassemble using new brush assemblies. Make sure curvature of brush matches curvature of motor and that brush moves freely in brush tube.

Make sure brush cap is oriented correctly (straight) and replace.

Tighten brush cap securely. Do not overtighten.

CHANGING THE BATTERIES

See Figure 44.

Unplug the saw.

Rotate and hold lower blade guard up.

Using the hex key (1/16 in.) provided, loosen the screw then separate the cover from the laser guide.

Lower the blade guard.

Remove the three button cell batteries.

NOTE: Replace the batteries with button cell batteries that have a rating of 1.5 volt and 100 mAh (milliampere hour) minimum (number 76 series or equivalent).

When replacing the batteries, the laser guide should be thoroughly cleaned. Use a soft paintbrush, or similar device, to remove all sawdust and debris.

After cleaning the laser guide and replacing batteries, secure battery cover to laser guide using the screw. Tighten screw securely.

WARNING:

Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

BRUSH

BRUSH

ASSEMBLY

ASSEMBLY

 

BRUSH

CAP

BRUSH

CAP

Fig. 43

m n

BATTERY

COVER

SCREW

BATTERIES

BATTERY

COVER

NEGATIVE (–)

LASER

GUIDE

Fig. 44

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Contents OPERATOR’S Manual Introduction Table of Contents Blade Coasts After Being Turned OFF General Safety RulesRead ALL Instructions  Before Making a CUT, be Sure ALL ADJUST- Ments are Secure Specific Safety RulesSpecific Safety Rules Symbol Name DESIGNATION/EXPLANATION SymbolsSymbol Signal Meaning ServiceElectrical Connection Cord Length Wire Size A.W.GElectrical Double InsulationGlossary of Terms Scale FeaturesProduct Specifications MiterBlade Wrench Storage Know Your Compound Miter SAW12 IN. Blade AMP MotorSliding Miter Fences Switch TriggerREPEAT-A-CUT SELF-RETRACTING Lower Blade GuardPhillips Screwdriver Combination Square Framing Square Tools NeededCombination WRENCH, 12 mm HEX KEY, 1/16 Installed on ToolLoose Parts Blade Washer Bolt Work Clamp Dust BAG HEX KEYTrace Holes AssemblyUnpacking Mounting HolesDust BAG Installing the Work ClampTo install the work clamp Dust GuideBlade Laser Guide Loosen Tighten Installing the BladeTighten Securely To Prevent Guard Movement BladeBroken Line Cutting a Slot in the Zero Clearance Throat PlateAligning the Laser Guide Line Miter Lock Lever Lift to Unlock Push Down to Lock Adjusting the Miter Lock LeverTo adjust Squaring the SAW Blade to the FenceView of Blade Square with Fence Push Back To Lock Bevel Adjusting the Bevel Lock LeverAdjusting the Bevel Pivot Travel Pivot AdjustmentCorrect View of Blade Squaring the Blade to the Miter TableSee Figures 24 Blade Bevel Lock LeverCutting with Your Compound Miter SAW OperationApplications See Figures 28 To bypass preset index pointsTo Miter CUT / Cross CUT To align with miter scaleBevel Scale Stop PIN Bevel CUT Clamp To Bevel CUTSee Figures 30 Bevel LockCompound Miter CUT To Compound Miter CUTLong Workpiece Supporting Long WorkpiecesClamping Wide Workpieces 45 x 45 Compound Miter CUTAuxiliary Fence Making AN Auxiliary FenceTo attach the auxiliary fence to the saw Cutting Compound Miters COMPOUND-ANGLE Settings for Popular Structures38˚/52˚ 45˚/45˚ Cutting Crown Molding38˚ / 52˚ 45˚/45˚ Angle Miter / Bevel MITER/BEVELInside Corner Fence Laying Molding Flat on the Miter TableCeiling Crown Molding JIG Using a Crown Molding JIGMaking a Crown Molding JIG Right Cutting Warped MaterialSee Figures 40 WrongGeneral Maintenance AdjustmentsMaintenance To Adjust the Laser GuideChanging the Batteries Brush ReplacementProceed as follows when replacement is required Checking Motor Belt Tension and Replacing the Belt AccessoriesHOW to Obtain Service What is not Covered WarrantyDAY Satisfaction Guarantee Policy What is Covered Under the 3 Year Limited Service WarrantyModel No R4121 Serial No Customer Service Information

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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