Skil 4240, 4380, 4280 manual Assembly, Operating Instructions

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SM 1619X02133 12-06 12/12/06 2:30 PM Page 7

Assembly

Attaching the Blade

To prevent personal injury, ! WARNING always disconnect plug from

power source before assembling parts, making adjustments, or changing blades.

STANDARD MODELS

1.Loosen blade screw in the blade holder and insert blade to full depth with teeth facing in direction of cut as shown in (Fig. 3). For use with both T or U shank jigsaw blades.

2.Securely tighten blade screw on the front of blade holder with a flat tip screwdriver.

TOOL-LESS MODELS

1.Insert the saw blade (teeth in cutting direction) until it latches in the plunger (Fig. 4).

When inserting the saw blade, the back of the blade must rest in the groove of the guide roller.

2.To remove blade, lift tool-less blade change cover up with index and middle fingers and remove blade. For use with both T or U shank jigsaw blades.

BLADE

BLADE HOLDER

SCREW

FIG. 3

ROLLER GUIDE

TOOL-LESS BLADE

CHANGE COVER

FIG. 4

ROLLER GUIDE

Operating Instructions

VARIABLE SPEED CONTROLLED TRIGGER SWITCH (Model 4280 only)

Your tool is equipped with a variable speed trigger switch. The tool can be turned "ON" or "OFF" by squeezing or releasing the trigger. The speed can be adjusted from the minimum to maximum nameplate SPM by the pressure you apply to the trigger. Apply more pressure to increase the speed and release pressure to decrease speed (Fig. 1).

"LOCK-ON" BUTTON

The "Lock-ON" button, located in the handle of your tool allows for continuous operation at maximum SPM without holding the trigger (Fig. 1).

TO LOCK TRIGGER "ON": squeeze trigger, depress button and release trigger.

TO UNLOCK THE TRIGGER: squeeze trigger and release it without depressing the "Lock- ON" button.

!WARNING If the “Lock-ON” button is continuously being depressed,

the trigger can not be released.

VARIABLE SPEED DIAL

(Models 4380 only)

Your tool is equipped with a variable speed dial. The blade stroke rate may be adjusted during cutting operation by presetting the dial on or between any one of the six numbers.

Setting

SPM rating (strokes per minute)

1-2

Low stroke

3-4

Medium stroke

5-6

High stroke

PLUNGER SPEED

The stroke rate may be adjusted as described earlier under “Variable Speed Dial”. The best results for a particular application is determined by experience, though as a general rule, slower speeds are for denser materials and faster speeds are for soft materials.

BLADE STORAGE COMPARTMENT

Your Jigsaw is equipped with a blade storage area (Fig. 5) on the backside of your saw. To open door, pull tab on door downward toward the foot. To close door, lift door upward toward the tool. Be sure door is closed to prevent blades from falling out.

FIG. 5

BLADE

STORAGE

DOOR

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Contents Read Before Using Work Area Power Tool Safety RulesElectrical Safety Personal SafetyService Safety Rules for JigsawsHot after prolonged use Symbols Jigsaws Functional Description and SpecificationsOperating Instructions AssemblyCutting with a Straightedge Cutting TipsOrbital Action Model 4380 onlyBevel or Angle Cutting Plunge CuttingMetal Cutting Circle Cutting Insert plug into power source, hold the sawAttaching RIP Fence Straight CuttingCarbon Brushes MaintenanceCleaning Tool LubricationTool’s AccessoriesSécurité des personnes Règles de Sécurité GénéralesAire de travail Sécurité électriqueLa réparation des outils électriques doit être confiée Règles de sécurité concernant les scies sauteusesLe plomb provenant des peintures à base de plomb NOM SymbolesScies sauteuses Description fonctionnelle et spécificationsConsignes de fonctionnement AssemblagePose de la lame Sciage Avec Guide DE Coupe Conseils PratiquesCoupe Biseautée OU Oblique Coupe EN PlongéeCoupe Dans LES Métaux Coupe Rectiligne Assemblage DU Guide DE RefenteCoupe Circulaire Balais OU Charbons EntretienNettoyage Lubrification DE L’OUTILAccessoires Seguridad personal Normas de seguridad para herramientas mecánicasArea de trabajo Seguridad eléctricaServicio Normas de seguridad para sierras de vaivénSM 1619X02133 12-06 12/12/06 230 PM De Ni-Cd SímbolosMadera Descripción funcional y especificacionesSierras de vaivén Capacidades MaximasInstrucciones de funcionamiento EnsamblajeCorte CON Regla Recta Consejos para cortarCorte Inclinado O EN Angulo Corte Mediante Descenso VerticalCorte DE Metal Corte Recto TOPE-GUIA Para Cortar AL Hilo Guia DE Corte CircularCorte Circular Escobillas DE Carbon MantenimientoLimpieza Lubricacion DE LAS HerramientasCapacidad AccesoriosRemarques Notas SM 1619X02133 12-06 12/12/06 230 PM

4280, 4380, 4240 specifications

Skil has long been a trusted name in power tools, and their range of circular saws has garnered attention for their exceptional performance, durability, and user-friendly features. The Skil 4240, 4380, and 4280 models exemplify this tradition, each offering a unique set of characteristics that cater to various cutting needs.

The Skil 4240 is known for its lightweight design, making it perfect for users who require portability without sacrificing power. This saw comes equipped with a potent motor that delivers a blade speed of up to 5,200 RPM, allowing it to tackle tough materials with ease. One of the standout features of the 4240 is its innovative laser guide system, which offers precision cutting by projecting a line directly onto the material. This feature is particularly beneficial for users who demand accuracy in their projects. Along with a depth adjustment feature, the 4240 allows for bevel cuts up to 45 degrees, enhancing its versatility for a variety of applications.

Moving on, the Skil 4380 introduces additional features that cater to those tackling heavier-duty projects. Similar to its counterpart, the 4380 boasts a powerful motor and a high RPM rate, but it also incorporates a built-in dust blower that keeps the cutting line clear of debris, ensuring enhanced visibility and cleaner cuts. The 4380 also features an ergonomic design that improves user comfort, allowing for prolonged use without fatigue. Its heavy-duty aluminum base adds strength, ensuring durability across various job sites.

The Skil 4280 model enhances the user experience further, integrating advanced technologies for superior performance. This model includes a soft-start feature that gradually ramps up the motor speed, reducing the initial torque, which helps prevent kickback. The 4280's superior stability and balanced weight distribution enable precise control, especially in intricate cuts. Additionally, it has a quick-release blade change system, allowing users to switch out blades effortlessly without the need for extra tools.

In conclusion, the Skil 4240, 4380, and 4280 circular saws cater to a diverse audience by blending power, precision, and ease of use. Each model introduces unique features and technologies designed to provide superior cutting performance across a range of materials and applications. Whether you are a DIY enthusiast or a professional tradesperson, these saws are poised to deliver exceptional results on every project.
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