1. Introduktion
Thank you for choosing the WORKPRO 20V Cordless Angle Grinder. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new tool. Please read this manual thoroughly before first use and keep it for future reference.
This powerful and versatile tool is designed for various tasks including grinding, derusting, cutting, and polishing, offering cordless convenience and high performance.
2. Sikkerhedsinstruktioner
Følg altid grundlæggende sikkerhedsforanstaltninger, når du bruger elektrisk værktøj, for at reducere risikoen for brand, elektrisk stød og personskade.
Generelle sikkerhedsadvarsler for elværktøj:
- Sikkerhed på arbejdsområdet: Hold arbejdsområdet rent og godt oplyst. Brug ikke elværktøj i eksplosive atmosfærer, f.eks. i nærheden af brandfarlige væsker, gasser eller støv.
- Elektrisk sikkerhed: Undgå kropskontakt med jordforbundne overflader. Udsæt ikke elværktøj for regn eller våde forhold.
- Personlig sikkerhed: Stay alert, watch what you are doing and use common sense. Always wear eye protection and hearing protection. Use appropriate personal protective equipment (PPE) such as dust mask, non-skid safety shoes, hard hat, or hearing protection for appropriate conditions.
- Brug og vedligeholdelse af elværktøj: Tving ikke elværktøjet. Brug det korrekte elværktøj til din opgave. Frakobl batteriet fra elværktøjet, før du foretager justeringer, skifter tilbehør eller opbevarer elværktøjet.
- Brug og vedligeholdelse af batteriværktøj: Genoplad kun med den oplader, der er angivet af producenten. Brug kun elværktøj med specifikt beregnede batteripakker.
Specifikke sikkerhedsadvarsler for vinkelslibere:
- Dette elværktøj er beregnet til at fungere som slibemaskine, slibemaskine, stålbørste eller skæreværktøj. Læs alle sikkerhedsadvarsler, instruktioner, illustrationer og specifikationer, der følger med dette elværktøj.
- Brug ikke tilbehør, som ikke er specielt designet og anbefalet af værktøjsproducenten.
- Sørg for, at tilbehøret er korrekt monteret og fastspændt før brug.
- Always use the correct protective guard for the type of work being performed (grinding or cutting).
- Do not operate the tool without the guard properly installed.
- Maintain a firm grip on the power tool with both hands.
- Hold hænderne væk fra det roterende tilbehør.
- Vær opmærksom på tilbageslag, som er en pludselig reaktion på et klemt eller fastlåst roterende hjul.
- Do not apply excessive pressure during cutting, as this can activate the protection and stop the machine. If this occurs, turn off the switch and restart immediately.
3. Pakkens indhold
Carefully unpack all items and ensure you have received all components listed below. If any items are missing or damaged, please contact WORKPRO customer service.
- 1 x WORKPRO Cordless Angle Grinder
- 1 x 20V 4.0 Ah Lithium-ion Battery
- 1 x hurtigoplader
- 5 x Cutting Discs (Ø125mm)
- 2 x Protective Guards (for cutting and grinding)
- 1 x Multi-position Auxiliary Handle
- 1 x nøgle

Image 3.1: The WORKPRO 20V Cordless Angle Grinder along with its complete set of accessories, including the battery, charger, cutting discs, protective guards, auxiliary handle, and wrench.
4. Produktet er slutview
Familiarize yourself with the different parts of your WORKPRO Angle Grinder before operation.

Image 4.1: Detailed diagram showing the key components of the angle grinder, including the rubber auxiliary handle, safety lock, spindle lock, metal safety wheel guard for grinding, battery, LED indicator, and the quick-change guard mechanism.
- Rubber Auxiliary Handle: Giver ekstra greb og kontrol.
- Sikkerhedslås: Forhindrer utilsigtet opstart.
- Spindellås: Bruges til at låse spindlen for nemt skiveskift.
- Metal Safety Wheel Guard (for Grinding): Protects the user during grinding operations.
- Batteri: 20V 4.0Ah Lithium-ion battery for cordless operation.
- LED-indikator: Viser batteriets opladningsniveau.
- Change The Guard Without Tool: Quick-release mechanism for changing protective guards.
- Metal Safety Wheel Guard (for Cutting): Protects the user during cutting operations.
- Cut-Off Wheels: Discs for cutting various materials.
- Oplader: Fast charger for the 20V battery.
- Spanner: Wrench for securing and removing discs.
5. Opsætning
5.1 Opladning af batteriet
- Insert the 20V 4.0Ah Lithium-ion battery into the fast charger.
- Plug the charger into a standard electrical outlet (Type C - Two round pins, French type).
- The LED indicator on the battery will show the charging status. Ensure the battery is fully charged before first use.
5.2 Montering af hjælpehåndtaget
- The auxiliary handle can be attached in multiple positions (left, right, or top) for optimal comfort and control.
- Screw the rubber auxiliary handle firmly into the desired threaded hole on the grinder head.

Image 5.1: Illustration of the 3-position anti-vibration and non-slip rubber handle, demonstrating its adjustability for user comfort and control.
5.3 Installing/Changing Discs and Protective Guards
- Always ensure the battery is removed before changing discs or guards.
- Tryk på spindellåseknappen og hold den nede for at forhindre spindlen i at rotere.
- Use the provided wrench to loosen the flange nut and remove the old disc (if any).
- Place the desired cutting or grinding disc onto the spindle, ensuring it is centered.
- Replace the flange nut and tighten it securely with the wrench while holding the spindle lock.
- Select the appropriate protective guard for your task (cutting or grinding). The guards feature a quick-change mechanism.
- Attach the guard by aligning it with the grinder head and snapping it into place. Ensure it is securely fastened and does not tilt.

Image 5.2: The angle grinder shown with the included 5 metal/stainless cut-off wheels and 2 quick-change protective guards, one for cut-off wheels and one for flap discs.
6. Betjeningsvejledning
6.1 Tænd/sluk
- Indsæt det opladede batteri i batteriåbningen, indtil det klikker på plads.
- To start the grinder, locate the switch in the middle-top position. Push the switch to the right, then push it upwards. This two-step operation is a safety feature to prevent accidental startup.
- To turn off the grinder, simply release the switch.

Billede 6.1: Nærbillede view of the angle grinder's middle switch, highlighting the two-step operation (1. push right, 2. push up) for enhanced safety and the cruise speed function.
6.2 Slibe- og skæreteknikker
- Hold the grinder firmly with both hands, using the auxiliary handle for stability.
- Allow the disc to reach full speed (7500 rpm) before contacting the workpiece.
- For grinding, apply light, even pressure and move the grinder smoothly across the surface.
- For cutting, make shallow passes, gradually increasing the depth. Do not force the tool.
- If the machine stops due to excessive pressure, immediately turn off the switch, remove the pressure, and restart the machine.
- Always direct sparks away from yourself and others, and away from flammable materials.

Image 6.2: A collage demonstrating the angle grinder in action for different applications, including grinding metal, cutting pipes, and surface preparation, with sparks visible during operation.
7. Vedligeholdelse
7.1 Rengøring
- After each use, disconnect the battery and clean the tool with a soft, dry cloth.
- Fjern støv eller snavs fra ventilationsåbningerne for at forhindre overophedning.
- Brug ikke vand eller kemiske rengøringsmidler.
7.2 Pleje af batterier
- Opbevar batteriet på et køligt, tørt sted væk fra direkte sollys og ekstreme temperaturer.
- Opbevar ikke batteriet i afladet tilstand i længere perioder. Genoplad det med jævne mellemrum, hvis det ikke er i brug.
- Udsæt ikke batteriet for vand eller ild.
7.3 Udskiftning af disk
- Replace discs when they become worn, damaged, or lose their effectiveness.
- Always use discs with the correct diameter (Ø125mm) and bore size for this grinder.
- Follow the instructions in Section 5.3 for safe disc replacement.
8. Fejlfinding
This section addresses common issues you might encounter with your WORKPRO Angle Grinder.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Kværnen starter ikke. | Batteriet er ikke opladet eller ikke isat korrekt. Safety switch not engaged properly. | Sørg for, at batteriet er fuldt opladet og isat sikkert. Follow the two-step switch operation (push right, then push up). |
| Kværnen stopper under drift. | Excessive pressure applied, activating overload protection. Batteriet er lavt. | Reduce pressure on the workpiece. Turn off the switch, then restart. Genoplad batteriet. |
| Overdreven vibration eller støj. | Disc is worn, damaged, or improperly installed. Guard is loose or tilted. | Inspect and replace the disc if necessary. Ensure the disc is correctly mounted and tightened. Re-secure the protective guard, ensuring it is not tilted. |
| Poor cutting/grinding performance. | Worn or incorrect disc. Insufficient speed due to low battery. | Replace with a new, appropriate disc. Genoplad batteriet. |
9. Specifikationer
Detailed technical specifications for the WORKPRO 20V Cordless Angle Grinder.
| Feature | Specifikation |
|---|---|
| Mærke | WORKPRO |
| Modelnummer | W125049AU |
| Strømkilde | Batteridrevet |
| Batteritype | 20V 4.0Ah lithium-ion |
| Hastighed uden belastning | 7500 rpm |
| Diskens diameter | Ø125 mm |
| Vægt (uden batteri) | 1.75 kg |
| Total Weight (with battery) | 3.58 kg (pakkevægt) |
| Materiale | Legeret stål |
| Farve | Grey, Black, Green |
| Fabrikant | Hang Zhou Great Star Industrial Co., LTD |
| UPC | 820909764137 |

Image 9.1: The angle grinder placed on a scale, illustrating its lightweight design at only 1.75 kg without the battery, which helps reduce user fatigue during prolonged work.
10. Garanti og support
The WORKPRO 20V Cordless Angle Grinder comes with a 1 års producentgaranti fra købsdatoen.
Denne garanti dækker defekter i materialer og udførelse under normal brug. Den dækker ikke skader som følge af forkert brug, misbrug, forsømmelse, uautoriserede reparationer eller normal slitage.
For warranty claims, technical support, or inquiries about spare parts, please contact WORKPRO customer service through your original point of purchase or visit the official WORKPRO webwebsted.
Gem venligst din købsbevis for at validere garantien.





