Introducción
Welcome to the Delta 40-694 20-inch Variable Speed Scroll Saw. This manual provides essential information for the safe and efficient operation, maintenance, and setup of your new scroll saw. Please read it thoroughly before use to ensure proper handling and to maximize the lifespan of your tool. This scroll saw is designed for precision cutting in various materials, primarily wood, offering variable speed control for optimal performance.
Instrucciones generales de seguridad
Always follow basic safety precautions when operating power tools to reduce the risk of fire, electric shock, and serious personal injury. Keep this manual for future reference.
- Use protección para los ojos: Utilice siempre gafas de seguridad o antiparras que cumplan con las normas aplicables.
- Pieza de trabajo segura: Ensure the material being cut is firmly secured to prevent movement during operation.
- Mantenga las manos despejadas: Never place hands or fingers near the blade while the saw is running.
- Ventilación adecuada: Operate the saw in a well-ventilated area to avoid inhaling dust.
- Desconecte antes de realizar ajustes: Always disconnect the saw from the power source before changing blades, making adjustments, or performing maintenance.
- Maintain Awareness: Stay alert and use common sense. Do not operate the saw when tired or under the influence of drugs, alcohol, or medication.
- Utilice la cuchilla correcta: Select the appropriate blade for the material and type of cut.
Configuración y montaje
Desembalaje e inspección
Carefully remove all components from the packaging. Inspect the saw for any damage that may have occurred during shipping. Report any damage immediately to your dealer. Ensure all parts listed in the packing list are present before proceeding with assembly.
Blade Installation and Tensioning
The Delta 40-694 features a single-lever, tool-free blade tensioning system for quick and easy blade changes. The upper arm lifts and locks in the raised position, providing ample space for blade access, especially for fretwork.
- Lift the upper arm to its fully raised position and engage the locking mechanism.
- Afloje la hoja clamps tanto en la parte superior como en la inferior del brazo.
- Insert the new scroll saw blade, ensuring the teeth are pointing downwards.
- Apriete firmemente el cierre de la cuchilla.amps.
- Release the upper arm and apply tension using the blade tensioning lever. Adjust until the blade is taut but not over-stressed.

Detalle view of the scroll saw's upper arm, highlighting the blade tensioning lever, variable speed dial, and flexible dust blower. This area is crucial for blade changes and precise adjustments.
Ajuste de mesa
The large, cast-iron table can be tilted from 0° to 45° left and right for angled cuts. Use the angle scale and locking knob located beneath the table to set the desired angle. Ensure the table is securely locked before operation.
Ajuste del soplador de polvo
The flexible dust blower helps keep the cutting line clear of sawdust. Position the nozzle directly over the cutting area for optimal visibility.

Un sobreview of the Delta 40-694 scroll saw, showing its main components including the table, arm, and base.
Instrucciones de funcionamiento
Encendido/apagado y control de velocidad
The On/Off switch and electronic variable speed dial are conveniently located on the arm for easy access. Turn the dial to adjust the Strokes Per Minute (SPM) from 400 to 1,750, allowing you to match the speed to the material and blade type for optimal cutting results.
Capacidades de corte
- At 90°: 2-1/8 inches
- At 45° (Left and Right): 1-5/8 inches
General Cutting Techniques
Always feed the workpiece slowly and steadily into the blade. Avoid forcing the material, as this can cause the blade to break or result in an uneven cut. For intricate cuts, use a finer blade and a slower speed. For thicker materials, a coarser blade and moderate speed may be more effective.
Mantenimiento
El mantenimiento regular garantiza la longevidad y el rendimiento óptimo de su sierra de calar.
- Limpieza: After each use, unplug the saw and use a brush or vacuum to remove sawdust from the table, blade area, and motor vents.
- Cuidado de la hoja: Proper blade tensioning is crucial for maximizing blade life and accuracy. Replace dull or damaged blades promptly.
- Inspección: Periodically check all fasteners and moving parts for tightness and wear. Tighten any loose screws and replace worn components as needed.

A view of the integrated blade storage compartment located on the scroll saw, designed for convenient access to different blade types.
Solución de problemas
Esta sección aborda problemas comunes que puede encontrar con su sierra de calar.
| Problema | Posible causa | Solución |
|---|---|---|
| La cuchilla se rompe con frecuencia | Incorrect blade tension, wrong blade type for material, forcing workpiece, worn blade. | Adjust blade tension, select appropriate blade, reduce feed rate, replace blade. |
| Vibración excesiva | Loose components, saw not securely mounted, unbalanced workpiece. | Check and tighten all fasteners, ensure saw is stable, support workpiece properly. |
| Poor cut quality (rough edges, inaccurate cuts) | Dull blade, incorrect blade type, improper feed rate, incorrect table angle. | Replace blade, use finer blade for detail, adjust feed rate, verify table angle. |
| La sierra no arranca | Sin energía, interruptor defectuoso, problema con el motor. | Check power connection, ensure switch is ON, consult qualified service personnel. |
Presupuesto
Key technical specifications for the Delta 40-694 20-inch Variable Speed Scroll Saw:
- Ampedad: 1.3 Amps
- Velocidades: 400-1,750 SPM (golpes por minuto)
- Capacidad: 20 pulgadas
- Longitud del trazo: 3/4 de pulgada
- Tamaño de la mesa: 16 pulgadas x 24 pulgadas
- Inclinación de la mesa: 0° – 45°, Left and Right
- Dimensiones del producto: 30" de largo x 20" de ancho x 13" de alto
- Peso del artículo: 60 libras
- Volumentage: 120 voltios
- Quétage: 156 vatios
- Material de la hoja: Acero de alta velocidad
- Recomendación de superficie: Madera
- Fuente de energía: Cable eléctrico
Garantía y soporte
Información de garantía
This Delta 40-694 Scroll Saw is covered by a Garantía limitada de 5 años. Please refer to the warranty card included with your product for full terms and conditions, or visit the official Delta Power Tools websitio para obtener información detallada sobre la garantía.
Atención al cliente
For technical assistance, replacement parts, or warranty claims, please contact Delta Power Tools customer service. Contact information can typically be found on the manufacturer's websitio o en el embalaje del producto.





