Bosch GKS 18V-51

BOSCH GKS 18V-51 Cordless Circular Saw

Professional 18V 140 MM Electric Saw for Woodworking

1. Introducció

This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new BOSCH GKS 18V-51 Cordless Circular Saw. Please read this manual thoroughly before using the tool to ensure proper handling and to maximize its performance and lifespan. This professional-grade 18V circular saw is designed for precise and powerful woodworking tasks.

Bosch GKS 18V-51 Cordless Circular Saw with battery, showing 'PRO 18V SYSTEM', '18V MAX LITHIUM ION', and 'GKS18V-51 BARE TOOL'.
Figure 1: BOSCH GKS 18V-51 Cordless Circular Saw (Bare Tool)

2. Informació de seguretat

Always observe general power tool safety warnings and instructions. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury. Keep all warnings and instructions for future reference.

Advertències generals de seguretat d'eines elèctriques:

  • Seguretat de l'àrea de treball: Mantingueu la zona de treball neta i ben il·luminada. No feu servir eines elèctriques en atmosferes explosives, com ara en presència de líquids, gasos o pols inflamables.
  • Seguretat elèctrica: Eviteu el contacte corporal amb superfícies connectades a terra. No exposeu les eines elèctriques a la pluja ni a condicions humides.
  • Seguretat personal: Stay alert, watch what you are doing, and use common sense. Wear appropriate personal protective equipment (PPE) such as safety glasses, hearing protection, dust mask, and non-skid safety shoes.
  • Ús i cura de les eines elèctriques: No forceu l'eina elèctrica. Feu servir l'eina elèctrica adequada per a la vostra aplicació. Desconnecteu la bateria de l'eina elèctrica abans de fer qualsevol ajust, canviar accessoris o guardar eines elèctriques.
  • Seguretat específica de la serra circular: Keep hands away from the cutting area and the blade. Do not reach underneath the workpiece. Ensure the blade guard is functioning correctly before each use.

3. Producte acabatview

The BOSCH GKS 18V-51 is a high-performance cordless circular saw designed for professional use. It combines power, precision, and user comfort for a wide range of cutting applications in wood.

Característiques principals:

  • Motor sense escombretes de 18 V: Provides effortless and powerful cutting performance.
  • Compact Design & Ergonomic Handle: Ensures easy handling and comfortable use, reducing fatigue during extended operation.
  • Optimized Dust Extraction Port: Designed to keep the work area cleaner by efficiently removing dust.
  • Soft Start and Brake Functions: Allows for smooth starting and quick stopping of the blade, enhancing safety and control.
  • Dust Blower Function: Keeps the cutting line clear of debris, ensuring better visibility and more accurate cuts.
  • Llum LED: Illuminates the cutting area, making it easier to work in poorly lit conditions.
Bosch GKS 18V-51 Cordless Circular Saw with battery attached, side view.
Figura 2: lateral view of the GKS 18V-51 with battery
Bosch GKS 18V-51 Cordless Circular Saw on its packaging.
Figure 3: GKS 18V-51 as packaged

4. Configuració

4.1 Instal·lació de la bateria

  1. Ensure the saw is switched off and the blade is stationary.
  2. Align the battery pack with the battery port on the saw handle.
  3. Feu lliscar la bateria al port fins que encaixi correctament al seu lloc.
  4. Per treure-la, premeu el botó d'alliberament de la bateria i feu-la lliscar cap a fora.
Close-up of the battery compartment/interface on the Bosch GKS 18V-51.
Figure 4: Battery compartment detail

4.2 Instal·lació i extracció de la fulla

  1. Disconnect the battery pack before changing the blade.
  2. Premeu el botó de bloqueig del fus per fixar la fulla.
  3. Feu servir la clau anglesa proporcionada per afluixar el cargol de la fulla girant-lo en sentit antihorari.
  4. Traieu la brida exterior i la fulla antiga.
  5. Netegeu les brides interiors i exteriors.
  6. Place the new blade onto the spindle, ensuring the rotation direction arrows on the blade match the arrow on the saw's guard.
  7. Reinstall the outer flange and blade bolt. Tighten the bolt clockwise while holding the spindle lock button.

4.3 Ajust de la profunditat de tall

  1. Afluixeu la palanca d'ajust de profunditat.
  2. Move the base plate up or down to the desired cutting depth, aligning with the scale.
  3. Estrenyeu bé la palanca d'ajust de profunditat.

4.4 Ajust de l'angle del bisell

  1. Afloixeu el botó d'ajust del bisell.
  2. Tilt the base plate to the desired angle, aligning with the bevel scale.
  3. Estrenyeu fermament el botó d'ajust del bisell.

5. Instruccions de funcionament

5.1 Funcionament bàsic

  1. Assegureu-vos que la peça de treball estigui ben ferma clamped i estable.
  2. Ajusteu la profunditat de tall i l'angle de bisell desitjats.
  3. Agafeu la serra fermament amb les dues mans.
  4. Press the trigger to start the saw. Allow the blade to reach full speed before beginning the cut (soft start function will manage this smoothly).
  5. Guide the saw along the cutting line with steady, even pressure. Do not force the saw.
  6. Once the cut is complete, release the trigger. The blade brake function will stop the blade quickly.
Bosch GKS 18V-51 Cordless Circular Saw in use, cutting wood, with a dust extraction hose attached.
Figure 5: GKS 18V-51 in operation with dust extraction
Bosch GKS 18V-51 Cordless Circular Saw in use, cutting a wooden board, showing the user's hand on the handle.
Figure 6: User operating the GKS 18V-51

5.2 Extracció de pols

For a cleaner work environment and improved visibility, connect a suitable dust extraction system to the saw's dust port. The optimized design of the dust extraction port helps to efficiently remove sawdust.

5.3 LED Light and Dust Blower

The integrated LED light automatically illuminates the cutting line when the saw is in operation, providing clear visibility in various lighting conditions. The dust blower function directs air towards the cutting line, keeping it free from sawdust for precise cuts.

6. Manteniment

Un manteniment regular garanteix la longevitat i el rendiment òptim de la serra circular.

  • Neteja: After each use, clean the saw thoroughly. Remove sawdust and debris from the motor vents, blade guard, and base plate. Use a soft brush or compressed air. Do not use solvents or abrasive cleaners.
  • Inspecció de la fulla: Inspeccioneu regularment la fulla de la serra per detectar si està afilada, esquerdes o si li falten dents. Substituïu immediatament les fulles desafilades o danyades.
  • Mecanisme de protecció: Ensure the lower blade guard moves freely and retracts properly. Keep it clean and free of obstructions.
  • Cura de la bateria: Store battery packs in a cool, dry place away from direct sunlight. Do not store discharged battery packs.

7. Solució De Problemes

ProblemaCausa possibleSolució
La serra no arrencaBattery not charged or improperly installed; Faulty switchCharge battery, ensure proper installation; Contact service center if switch is faulty
Mala qualitat de tall / Enganxament de la fullaDull or incorrect blade; Incorrect cutting depth; Forcing the sawReplace blade, ensure it's suitable for material; Adjust depth; Reduce feed pressure
Vibració excessivaDamaged blade; Loose blade bolt; Worn bearingsReplace blade; Tighten blade bolt; Contact service center for bearing replacement
Dust extraction ineffectiveDust port clogged; Dust bag/vacuum full or improperly connectedClear dust port; Empty/connect dust bag/vacuum correctly

8. Especificacions

AtributValor
Número de modelGKS 18V-51
Nom de marcaBosch
OrigenXina continental
CertificacióCE, FCC
Subministraments de bricolatgeElèctric
Longitud del paquet41 cm
Amplada del paquet29 cm
Alçada del paquet20 cm
Pes del paquet3.232 kg
Bosch GKS 18V-51 Cordless Circular Saw with dimensions: 320 mm length, 160 mm width, 158 mm height.
Figure 7: GKS 18V-51 approximate dimensions

9. Consells d'usuari

  • Bare Tool: Please note that the BOSCH GKS 18V-51 is often sold as a 'bare tool', meaning the battery and charger are not included. Ensure you have compatible Bosch Professional 18V batteries and a charger for operation.
  • Selecció de fulles: Always use the correct blade type for the material you are cutting (e.g., wood, plywood, MDF) to achieve the best results and prevent premature blade wear.
  • Neteja: Regularly clear sawdust from the base plate and blade guard to maintain cutting accuracy and ensure the guard operates smoothly.

10. Garantia i Suport

For warranty information, service, or technical support, please refer to the documentation provided with your purchase or contact your local Bosch Professional tools dealer. Keep your proof of purchase for any warranty claims.

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