DeWalt DWE7490, DWE7491 instruction manual Kickback, Operation

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The riving knife provided with this saw is marked as follows (Fig. 27):

0.087" (2.2 mm) THICK RIVING KNIFE. ONLY USE FOR 10" (254 mm) Ø BLADE WITH 0.094" (2.4 mm) MIN. KERF WIDTH AND 0.067" (1.75 mm) MAX. BODY THICKNESS.

FIG. 27

All DEWALT blade body thickness and kerf widths are provided at www.dewalt.com.

If a different blade is used and the body thickness

FIG. 28

and kerf width dimensions are not provided, use the

 

following procedure to determine the correct riving

 

knife thickness:

 

1.Measure the body thickness of the blade.

2.Make a shallow cut in scrap material and measure the kerf width.

3.Select the riving knife (Fig. 28).

4.Slide the riving knife through the shallow cut

made in step 2 to confirm the correct riving knife has been selected. The riving knife should not bind or drag through the cut (Fig. 28).

IMPORTANT: If any dragging or binding of the material is encountered as it reaches the riving knife, turn unit off and disconnect machine from power source. Repeat steps 1–4 to make the proper riving knife selection before attempting another cut.

Kickback

Kickback is a dangerous condition! It is caused by the workpiece binding against the blade. The result is that the workpiece can move rapidly in a direction opposite to the feed direction. During kickback, the workpiece could be thrown back at the operator. It can also drag the operator’s hand back into the blade if the operator’s hand is at the rear of the blade. If kickback occurs, turn the saw OFF and verify the proper functioning of the riving knife, anti- kickback assembly and blade guard assembly before resuming work.

WARNING: See Additional Safety Rules for Table Saws and follow all warnings provided regarding KICKBACK.

OPERATION

WARNING: To reduce the risk of injury, turn unit off and disconnect machine from power source before installing and removing accessories, before adjusting or changing set-ups or when making repairs. An accidental start-up can cause injury.

WARNING: Before using the saw, verify the following each and every time:

•ALWAYS wear proper eye, hearing and respiratory equipment.

•Blade is tight.

•Bevel angle and height lock knobs are tight.

•If ripping, ensure fence lock lever is tight and fence is parallel to the blade.

•If crosscutting, miter gauge knob is tight.

•The blade guard assembly is properly attached and the anti-kickback assembly is functioning.

•ALWAYS inspect the blade guard assembly and riving knife for proper alignment, operation and clearance with saw blade.

•ALWAYS make sure both guards are in the down position in contact with the table before operating.

WARNING: To reduce the risk of serious personal injury, have push stick ready to use before starting cut.

Failure to adhere to these common safety rules can greatly increase the likelihood of injury.

WARNING: To reduce the risk of injury, turn unit off and disconnect machine from power source before installing and removing accessories, before adjusting or changing set- ups or when making repairs. An accidental start-up can cause injury.

WARNING: Before connecting the table saw to the power source or operating the saw, always inspect the blade guard assembly and riving knife for proper operation alignment and clearance with saw blade. Personal injury may result.

WARNING: Ripping or crosscutting may cause saw to tip over while operating. Make sure saw is securely mounted to a stable surface.

WARNING: Never use the fence and miter gauge together. This may cause a kickback condition and injure the operator.

CAUTION: If this saw makes an unfamiliar noise or if it vibrates excessively, cease operating immediately, turn unit off and disconnect from power source until the problem has been located and corrected. Contact a DEWALT factory service center, a DEWALT authorized service center or other qualified service personnel if the problem cannot be found.

CAUTION: The proper throat plate must be in place at all times to reduce the risk of a thrown workpiece and possible injury.

There are two basic types of cutting with table saws: ripping and crosscutting. Regardless of material, man made or natural wood, the distinction between ripping and crosscutting is as follows: Ripping is cutting to a different width (usually with the grain) and crosscutting describes cutting material across the shorter dimension (usually against the grain).

WARNING: When ripping, always use the fence to provide a guide for the material and blade guard assembly to protect against a kickback situation.

WARNING: Never perform any cutting operation free hand. Never perform plunge cutting. CAUTION: When crosscutting, always use the miter gauge.

English

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Contents Dewalt Page Polarized Plugs Definitions Safety GuidelinesGeneral Safety Rules Double Insulation Important Safety InstructionsAlways lock the fence and bevel adjustment before cutting Additional Safety Rules for Table SawsKickbacks Making a Push Stick Inside Back CoverAmperes 15 a Table Size FeaturesSave These Instructions for Future USE Specifications Unpacking FigATTACHING/REPLACING the Blade AssemblyTo remove the blade guard assembly/riving knife This SAW should be Assembled in the Following Order FIG, 2Bench Mounting Adjustments Connecting Saw to Power SourcePosition 2 Fence Alignment Plate under AssemblySaw Blades Fig Splitter and Riving Knife Selection FigOperation KickbackRipping Fig On-Off Switch FigGuard Operating Feature Fig Rip Fence OperationPush Block Ripping Small Pieces FigNarrow Rip Auxiliary Fence Mitering Fig Bevel RippingCrosscutting Bevel CrosscuttingDust Collection Fig Miter Gauge OperationDado Cutting Featherboard ConstructionLubrication Fig Motor Overload and Power Loss Reset SwitchMaintenance CleaningDAY Money Back Guarantee Accessories RepairsThree Year Limited Warranty Year Free ServiceDouble isolation Définitions lignes directrices en Matière de sécuritéRègles de sécurité Généralités Conserver CES ConsignesFrançais Rebonds Déballage Fig Conserver CES Consignes Pour Utilisation UltérieureCaractéristiques techniques Cette Scie Doit Être Assemblée Dans L’ORDRE Suivant DescriptionMontage Usage PrévuRetrait du dispositif de carter de lame/couteau diviseur INSTALLATION/REMPLACEMENT DE LA LamePour Installer LA Plaque DE Lumière FIG Pour positionner le dispositif de carter de lameDispositif ANTI-REBONDS DWE7490 Installation DU Guide LongitudinalDWE7491 Installation DU Guide Longitudinal FIG Retrait DE LA Plaque DE LumièreRéglages Fixation sur établiBranchement de la scie sur le secteur Position 2 D’ALIGNEMENT DE Guide Lames de scie FigRéglage DU Guide D’ONGLET FIG Position 1 D’ALIGNEMENT DE Guide FIGSélection du couteau séparateur et couteau diviseur à Fonctionnalité du dispositif de protection Fig RebondsUtilisation Interrupteur marche/arrêt FigCoupe longitudinale Fig Utilisation du guide longitudinalGuide longitudinal auxiliaire étroit Coupes longitudinales de petites pièces FigBloc-poussoir Onglet Fig Taille en biseauCoupes transversales Coupes transversales en biseauOnglet Mixte Utilisation du guide d’ongletEngravure Construction d’un peignePosition d’ARRÊT Système de dépoussiérage FigLubrification Fig Stockage àRegistre en ligne AccessoiresNettoyage RéparationsXXX Instrucciones Importantes de Seguridad Definiciones Normas de seguridadGuarde Estas Instrucciones Doble AislamientoLos accesorios magnéticos no funcionan con esta sierra Reglas de Seguridad Adicionales para Sierras de BancoRebotes Bloquee Siempre la guía y el ajuste de bisel antes de cortarEspecificaciones Guarde Estas Instrucciones Para Futuras ConsultasDesembalaje Fig ComponentesINSTALACIÓN/CAMBIO DE LA Hoja MontajeUSO Debido Esta Sierra Debe SER Ensamblada Siguiendo Este OrdenSacar LA Placa DE Garganta Para posicionar la unidad del protector de la hojaLevante el eje de la hoja de sierra hasta su altura máxima Ensamblaje DE LA Placa DE Garganta FIGUnidad ANTI-REBOTE Montaje en bancoConectar la sierra a la fuente de alimentación Ajuste DE LA Alineación DE LA Guía AjustesAjuste DE LA Escala DE Ranura Ajuste DEL Tope E Indicador DE BiselAlineación DE LA Cuchilla CON LA Hoja FIG Hojas de Sierra FigSelección de placa abridora y cuchillo divisor Alineamiento DE LA Guía EN Posición 2Operación RebotePomo DE Ajuste FIG Característica de funcionamiento del protector FigPalanca DE Bloqueo DEL Riel FIG Instrucciones DE LA Característica DE BloqueoCorte longitudinal de trozos pequeños Fig Realizar cortes longitudinales FigDe la guía Bloque de EmpujeCorte longitudinal biselado Corte CruzadoIngleteado Compuesto Corte Cruzado de BiselInglete Fig RanuradoConsulte la Figura Lubricación FigAccesorios Almacenamiento FigMantenimiento LimpiezaGarantía limitada por tres años ReparacionesPóliza de Garantía Registro en líneaEspecificaciones DWE7490, DWE7491 Garantía DE Reembolso DE SU Dinero POR 90 DíasPage Page Copyright 2013 D Ewalt

DWE7490, DWE7491 specifications

The DeWalt DWE7491 and DWE7490 are two highly regarded table saws in the woodworking community, revered for their performance, versatility, and advanced features. These saws are designed to cater to both professional woodworkers and DIY enthusiasts, making them ideal for a variety of applications.

One of the standout features of the DeWalt DWE7491 is its innovative Rack and Pinion telescoping fence system. This system allows users to easily make accurate adjustments for precise cuts and ensures that the fence remains parallel to the blade. The fence can extend up to 32 inches, providing ample support for larger materials. This is especially useful when working with sheet goods or larger workpieces, making it a valuable tool on the job site.

The DWE7491 also boasts a powerful 2,000-watt motor that delivers a no-load speed of 4,800 RPM. This high speed allows for smooth, clean cuts through various materials, including hardwood and softwood. The saw's 10-inch blade is capable of cutting through thick materials with ease, while a blade guard and anti-kickback pawls enhance safety during operation.

Equipped with a portable design, the DWE7491 and DWE7490 feature onboard storage for accessories, which helps keep the workspace organized. Both models come with heavy-duty wheels for easy transportation, making them practical for job sites where mobility is essential.

In terms of technology, the DWE7490 model includes a patented Site-Pro Modular Guarding System, which provides the flexibility to adapt to different cutting applications. This system allows users to make quick adjustments to the guard and the riving knife, enhancing user safety while maintaining cutting performance.

Both models offer solid stability due to their durable construction and integrated stand, reducing vibrations and ensuring accurate cuts. The DWE7491 and DWE7490 also feature a large, sturdy surface area, providing ample workspace for materials while enhancing overall safety during operation.

With their advanced features, powerful motors, and portability, the DeWalt DWE7491 and DWE7490 have made a significant impact in the woodworking industry. They cater to various cutting needs, making them valuable investments for anyone looking to enhance their woodworking capabilities.
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