Bosch Power Tools 3924-24, 3918 manual Safety Rules for Miter Saws, Service

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Safety

 

“READ ALL INSTRUCTIONS” — Failure to follow the SAFETY RULES identified by BULLET (•) symbol listed

! WARNING

 

BELOW and other safety precautions, may result in serious personal injury.

 

•Inspect guards before using a tool. Keep guards in place. Check moving parts for binding or any other condition that may affect the normal operation or safety features of the tool. If damaged, have tool serviced before using the tool. Many accidents are caused by poorly maintained tools.

•Do not alter or misuse tool. Any alteration or modification is a misuse and may result in serious personal injury.

•The use of any other accessories not specified in this manual may create a hazard. Accessories that may be suitable for one type of tool, may become hazardous when used on an inappropriate tool.

Service

•Tool service must be performed only by qualified repair personnel. Service or maintenance performed by unqualified personnel may result in misplacing internal wires and components which could cause serious hazard.

•When servicing a tool, use only identical replacement parts. Follow instructions in the Maintenance section of this manual. Use of unauthorized parts or failure to follow Maintenance Instructions may create a hazard.

Safety Rules for

Miter Saws

•Use clamps to support workpiece whenever possible. If supporting the workpiece by hand, you must always keep hand outside of “No Hands” area as marked with a symbol on the base. Do not use this saw to cut pieces that are too small to be securely clamped. Your hand if placed inside the “No Hands” region can easily slip or be pulled into the blade.

•Do not reach in back of the saw blade behind the fence with either hand to hold down or support the workpiece, remove wood scraps, or for any other reason. The proximity of the spinning saw blade to your hand may not be obvious and you may be seriously injured.

•Never cross your hand over intended line of cutting. Supporting the workpiece “cross handed” i.e. holding the left side of the workpiece with your right hand is very dangerous.

•Disconnect battery pack from tool before performing any assembly, adjustments, changing accessories, or storing the tool. Such preventive safety measures reduce the risk of starting the tool accidentally.

•Miter saws are intended primarily to cut wood or woodlike products, they cannot be used with abrasive cutoff wheels for cutting ferrous material such as bars, rods, studs, etc. However, if cutting materials like aluminum or other non-ferrous metals, use only saw blades specifically recommended for non-ferrous metal cutting. Cutting ferrous materials causes excessive sparking and will damage the lower guard and will overload the motor. (NOTE: Robert Bosch Tool Corporation does not offer 10” metal cutting blades.)

•Inspect your workpiece before cutting. If workpiece is bowed or warped, clamp it with the outside bowed face toward the fence. Always make certain that there is no gap between the workpiece, fence and table along the line of the cut. Bent or warped workpieces can twist or rock and may cause binding on the spinning saw blade while cutting. Also, make sure there are no nails or foreign objects in the workpiece.

•Do not use the saw until the table is clear of all tools, wood scraps, etc., except the workpiece. Small debris or loose pieces of wood or other objects that contact the revolving blade can be thrown with high speed at the operator.

•Do not feed workpiece into the blade or cut “freehand” in any way. Workpiece must be stationary and clamped or braced by your hand. Saw must be fed through the workpiece smoothly and at a rate which will not overload the saw’s motor.

•Cut only one workpiece at a time. Multiple workpieces cannot be adequately clamped or braced and may bind on the blade or shift during cutting.

•Be certain the miter saw is mounted or placed on a level, firm work surface before using. A level and firm work surface reduces the risk of the miter saw becoming unstable.

•Plan your work. Provide adequate support accessories such as tables, saw horses, table extension, etc. for workpieces wider or longer than the table top (see page 50). Workpieces longer or wider than the miter saw table can tip if not securely supported. If the cutoff piece or workpiece tips it can lift the lower guard or be thrown by the spinning blade.

•Do not use another person as a substitute for a table extension or as additional support. Unstable support for the workpiece can cause the blade to bind or the workpiece to shift during the cutting operation pulling you and the helper into the spinning blade.

•The cutoff piece must not be jammed against or pressured by any other means against the spinning saw blade. If confined, i.e. using length stops, it could get wedged against the blade and thrown violently.

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Contents 3918 3924-24 General Safety Rules For Benchtop Tools SafetyService Safety Rules for Miter SawsSafety Safety Nickel-Cadmium Batteries Battery/ChargerBattery Care Battery DisposalTable of Contents 20a Getting To Know Your Miter SawMiter Lock Knob Bevel Detent Pin Crown Molding SettingBevel Lock Handle Accessory Extension/Stop Holes Or 24 V Battery PackPour les outils d’établi SécuritéRéparation Consignes de sécurité pour les scies à ongletBlessures Sécurité Piles nickel-cadmium Chargeur de pileEntretien des piles Mise au rebut des pilesUtilisation de l’échelle graduée d’onglet et de Table des matièresFrein électrique Description fonctionnelle et spécificationsFamiliarisez-vous avec votre scie à onglet 14. Échelle graduée d’onglet Trous pour l’accessoire rallonge/butéeBouton de blocage d’onglet 13. Gâchette de cran d’arrêt d’ongletSeguridad personal SeguridadArea de trabajo Seguridad eléctricaServicio Para cortar ingletesAserrado, amolado y taladrado AdvertenciaPersonales graves Baterias de niquel-cadmio Batería/cargadorCuidado de las baterías Eliminación de las bateríasPágina IndiceFreno eléctrico Descripción funcional y especificacionesFamiliarización con la sierra para cortar ingletes Escala de ingletes Pomo de fijación de ingleteTope de bisel de 33.9 molduras de techo Deflector de virutas Gatillo del retén de ingleteOutils nécessaires à l’assemblage et à l’alignement AssemblyTools Needed For Assembly And Alignment AssemblageHerramientas necesarias para el ensamblaje y la alineación EnsamblajeInstallation of Miter Lock Knob Unpacking and Checking ContentsInstalación del pomo de fijación De inglete AssemblageEnsamblajeOuverture de l’emballage et Vérification du contenu Desempaquetado y comprobación Del contenidoCutting Kerf Insert Removal and Installation BladePose et dépose de la lame Instalación y remoción de la hojaMoins que 10 po de diamètre et arbre de 5/8 po Assembling Dust Bag Bois traité chimiquement sous Ensamblaje de la bolsa para polvoBlade Alignment Blade Square to TableAlignement de la lame à RéglagesAjustesLame d’équerre par rapport La table Hoja en ángulo recto con La mesaIf the blade is not 45 with the table, adjust 45 bevel stop AdjustmentsBaje el ensamblaje del cabezal. Fíjelo en su sitio Lame à 45 par rapport La tableHoja a 45 respecto a la mesa Glissière à la Abaissez la tête. Bloquez en placeHead assembly should remain in lowered position Blade Square to FenceFence Alignment Apriete los tornillos de casquete hexagonales Hoja en ángulo recto con el tope-guíaAlignement du guide Alineación del tope-guía40-3/4 Exactement40-1/2 40-1/4IndicadorVernierde Miteringlete ScaleUso de la escala Vernier y la escala de ingletes Miter Scale Vernier Indicator Adjustment Crown Molding Detent Adjustment BevelCrown Molding Detent Adjustment Ajuste del retén para moldura de Techo bisel Graduée d’onglet VernierCouronne biseau Ajuste del indicador Vernier de la Escala de ingletesDamage base InstallationInstallationBe careful not to over drive nail or over Torque the bolt. This could crack foot orEsto podría agrietar el pie o dañar la base InstalaciónMounting Applications InstallationPortable Mounting Using Clamps Portable Mounting Using 1x4’sInstallationInstalación Applications de montageAplicaciones de montaje Body and Hand Position Following instructions A, B, C, & DRaise automatically as you cut Posición del cuerpo y de las manos Opérations de base de la ScieOperaciones básicas de La sierra Position du corps et des mainsLong Workpiece Support Basic Saw OperationsWorkpiece Support ClampsSoporte de la pieza de trabajo Support de l’ouvrageSwitch Activation Activación del interruptor Actionnement par interrupteurSliding Base/Fence Extension Detent OverrideCourt-circuitage du cran d’arrêt Sobrecontrol del reténExtensión de la base/tope-guía Deslizante Miter Cut Saw OperationsCorte a inglete Opérations de la scieOperaciones de la sierra Coupe à l’ongletFollow these instructions for making your bevel cut Bevel CutCoupe en biseau Corte en biselSiga estas instrucciones para hacer un corte en bisel Follow these instructions for making your compound cut Compound CutsSiga estas instrucciones para hacer un corte compuesto Coupes composéesCortes compuestos Suivez ces instructions pour pratiquer votre coupe composéeBase Molding Base molding can be cut vertical against fence or flat onCorner of wall Le guide ou à plat sur la table Coupe de moulures de base Moulures de baseMoldura de base Corte de moldura de techo Cutting Crown MoldingFollow these instructions for cutting crown molding Crown Molding Laying Flat on TableMoulures en couronne reposant à plat sur la table 33,9Serre-joint DouvrageOnglet de 31,6 Maximo 41⁄4 Moldura de techo colocada horizontalmente sobre la mesaCrown Molding Angled to Table Fence Par rapport à la table et au guide Moulure en couronne à angleLa mesa y al tope-guía Cutting thin wide Material Special CutsCutting Bowed Material Cutting Round or Irregularly Shaped MaterialCortes especiales Coupes spécialesImportant Charging Notes Remarques importantes Concernant la charge Notas importantes para cargarCharging Battery Pack Hour Charger Indicators, symbols MeaningIndicadores, símbolos y significado Carga del paquete de baterias Cargador de 1 horaTotalmente cargado Charging Battery Pack Minute Single Bay-BC130 Con el paquete de baterías Charge rapideCharging Battery Pack Minute Dual Bay-BC230 Maintien Deux baies BC230Rallonges AccessoriesAccessoires Extension CordsAccesorios Cordóns de extensiónMotor Brush Replacement BatteriesCarbon Brushes Mantenimiento y Lubricación Remplacement des balais De moteurBearings CleaningCare of Blades Tool LubricationCojinetes LimpiezaCuidado de las hojas Lubricación de las herramientasDuide de Dépannage Troubleshooting GuideGenerales EléctricasPivot spring or guard spring not replaced Properly after serviceClean head assembly Part failureAjustes y reparaciones Use protección para los ojosPuntos de pivote sueltos Fallo de piezaLimited Warranty of Bosch Portable and Benchtop Power Tools

3924-24, 3918 specifications

Bosch Power Tools has long been a leader in innovation and quality within the power tool industry, and its models 3918 and 3924-24 are prime examples of their commitment to performance and reliability. These tools are designed for both professionals and DIY enthusiasts, providing efficient solutions for a variety of tasks.

The Bosch 3918 is primarily a reciprocating saw that features a robust 6.5-amp motor, delivering impressive power for cutting through wood, metal, and other materials. One of its standout features is the tool-less blade change system, which allows users to switch blades quickly and easily without needing additional tools. This is not only time-saving but also enhances the user experience by minimizing downtime between cuts.

The saw also boasts a variable speed dial that can reach up to 2,700 strokes per minute, giving users optimal control over their cutting tasks. The pivoting shoe provides increased stability and allows for precise cuts in various applications. Additionally, the saw includes an electronic motor protection system, which helps prevent overheating and extends the lifespan of the tool.

On the other hand, the Bosch 3924-24 is a powerful angle grinder. With a 6.0-amp motor, it delivers high performance while being compact and lightweight. The grinder comes with a soft grip handle, making it comfortable for extended use. Its one-touch guard allows users to adjust the guard without any tools, thus enhancing convenience during operations.

This model is equipped with a direct-drive motor that increases torque and ensures that it works efficiently under load. The 3924-24's efficient dust management system minimizes dust and debris, providing a cleaner workspace and improving visibility during operations. Additionally, the grinder features a two-position side handle for added control and stability, making it suitable for a variety of grinding, cutting, and polishing applications.

Both Bosch Power Tools models, 3918 and 3924-24, exemplify the brand's commitment to quality, safety, and user ergonomics. Their advanced features, robust construction, and innovative technologies make them indispensable tools for any serious craftsman or home improvement enthusiast. Bosch continues to enhance its tools with practical features that reflect the needs of its users, ensuring that professionals get the results they demand while maintaining ease of use.
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