Installing the Blade

ASSEMBLY

WARNING:

Make sure the spindle lock button is not engaged before reconnecting saw to power source. Never engage spindle lock button when blade is rotating.

See Figure 12.

WARNING:

A 12 in. blade is the maximum blade capacity of the saw. Never use a blade that is too thick to allow outer blade washer to engage with the flats on the spindle. Larger blades will come in contact with the blade guards, while thicker blades will prevent the hex bolt from securing the blade on the spindle. Either of these situations could result in a serious accident and can cause serious personal injury.

Unplug the saw.

Raise saw arm.

Rotate lower blade guard up and loosen the blade bolt cover screw. Rotate blade bolt cover up and back to expose the hex bolt.

Depress and hold the spindle lock button and rotate the hex bolt until the spindle locks.

Using the wrench provided, loosen and remove the hex bolt.

NOTE: The hex bolt has left-hand threads. Turn hex bolt clockwise to loosen.

Remove the laser guide or outer blade washer, and the blade. Do not remove the inner blade washer.

Wipe a drop of oil onto the inner blade washer and the laser guide or outer blade washer where they contact the blade.

WARNING:

If inner blade washer has been removed, replace it before placing blade on spindle. Failure to do so could cause an accident since blade will not tighten properly.

CAUTION:

Always install the blade with the blade teeth and the arrow printed on the side of the blade pointing down at the front of the saw. The direction of blade rotation is also stamped with an arrow on the upper blade guard.

NOTE: BEFORE USE,	OUTER
REPLACE SCREW AND	BLADE WASHER
TIGHTEN SECURELY
TO PREVENT GUARD
MOVEMENT	BLADE
	BLADE
	BOLT
	BLADE
	BLADE BOLT	INNER
	BLADE BOLT	BLADE
	COVER	BLADE
	COVER	WASHER
	SCREW	WASHER
	SCREW
	LOWER
	BLADE GUARD
	BLADE
	BOLT COVER
BLADE

LASER

GUIDE

LOOSEN

TIGHTEN

HEX	INNER BLADE	FLAT
	WASHER WITH	ON SPINDLE
BOLT
	DOUBLE “D” FLATS
		Fig. 12

Fit saw blade inside lower blade guard and onto spindle. The blade teeth point downward at the front of saw as shown in figure 12.

Replace the laser guide or outer blade washer (the double “D” flats on the blade washers align with the flats on the spindle).

Replace the hex bolt.

NOTE: The hex bolt has left-hand threads. Turn blade bolt counterclockwise to tighten.

Depress spindle lock button then tighten the hex bolt securely.

Replace the lower blade guard and blade bolt cover.

Retighten the blade bolt cover screw securely.

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.

RIDGID R4121 manual Installing the Blade, Tighten Securely To Prevent Guard Movement

Models: R4121

ASSEMBLY