1. Kupu Whakataki
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. Nga Tohutohu Haumaru
Me whai tonu i nga tikanga tiaki haumaru ina whakamahi taputapu hiko hei whakaiti i te tupono o te ahi, te wiri hiko, me te whara whaiaro.
Whakatupato Haumaru Utauta Hiko Whanui:
- Haumaru Wāhi Mahi: Kia ma te waahi mahi me te whakamarama pai. Kaua e whakahaere i nga taputapu hiko i roto i nga hau pupuhi, penei i te waahi o te wai ka mura, te hau, te puehu ranei.
- Haumaru Hiko: A ape i te pa atu ki te tinana ki nga papa whenua, ki runga ranei. Kaua e tukuna nga taputapu hiko ki te ua, te makuku ranei.
- Haumaru Whaiaro: 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.
- Te Whakamahi me te Tiaki Taputapu Hiko: Kaua e kaha te taputapu hiko. Whakamahia te taputapu hiko tika mo to tono. Momotuhia te putea pākahiko mai i te taputapu hiko i mua i te whakarereketanga, te whakarereke i nga taputapu, te penapena taputapu hiko ranei.
- Utauta Pūhiko Whakamahi me te Tiaki: Whakaorangia anake me te riihi kua tohua e te kaihanga. Whakamahia nga taputapu hiko me nga kete pākahiko kua tohua.
Ngā Whakatūpato Haumaru mō te Mīhini Huri Koki:
- Ko tenei taputapu hiko he mahi hei miihini, he kirikiri, he paraihe waea, he taputapu tapahi ranei. Panuihia nga whakatupato haumaru katoa, nga tohutohu, nga whakaahua me nga whakaritenga e whakaratohia ana me tenei taputapu hiko.
- Kaua e whakamahia nga taputapu kaore i te aata hoahoa me te taunaki e te kaiwhakanao taputapu.
- Ensure the accessory is correctly mounted and tightened before use.
- 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.
- Keep hands away from the rotating accessory.
- Be aware of kickback, which is a sudden reaction to a pinched or snagged rotating wheel.
- 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. Ihirangi mokete
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 Kaituku Tere
- 5 x Cutting Discs (Ø125mm)
- 2 x Protective Guards (for cutting and grinding)
- 1 x Multi-position Auxiliary Handle
- 1 x Wrench

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. Hua Neke Atuview
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: Ka whakarato i te pupuri me te mana whakahaere.
- Maukati Haumaru: Prevents accidental startup.
- Maukati Āmio: Used to lock the spindle for easy disc changes.
- Metal Safety Wheel Guard (for Grinding): Protects the user during grinding operations.
- Pūhiko: 20V 4.0Ah Lithium-ion battery for cordless operation.
- Tohu LED: Displays battery charge level.
- 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.
- Kaitohu: Fast charger for the 20V battery.
- Paniora: Wrench for securing and removing discs.
5. Tatūnga
5.1 Te Whakataki i te Pūhiko
- 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 Te Whakapiri i te Kakau Awhina
- 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.
- Pēhia me te pupuri i te paatene maukati miro kia kore ai e huri te miro.
- 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. Nga Tohutohu Whakahaere
6.1 Kei te Hiko / Weto
- Kōkuhuhia te pākahiko kua utaina ki roto i te mokamoka pākahiko kia pao noa ki te waahi.
- 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.

Atahanga 6.1: Whakatata 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 Nga Tikanga oro me te tapahi
- 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. Tiaki
7.1 Te horoi
- I muri i ia whakamahinga, momotuhia te pākahiko ka horoi i te taputapu ki te kakahu ngohengohe, maroke.
- Remove any dust or debris from the ventilation openings to prevent overheating.
- Kaua e whakamahi i te wai, te horoi matū ranei.
7.2 Tiaki Pūhiko
- Whakaorangia te pākahiko ki te waahi makariri, maroke kia matara atu i te ra me te wera nui.
- Do not store the battery in a discharged state for extended periods. Recharge it periodically if not in use.
- Kaua e tukuna te pākahiko ki te wai, ki te ahi ranei.
7.3 Disc Replacement
- 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. Te Raru
This section addresses common issues you might encounter with your WORKPRO Angle Grinder.
| Raruraru | Take pea | Rongoā |
|---|---|---|
| Kaore e timata te miihini. | Karekau te pākahiko i utaina, kaore ranei i tika te whakaurunga. Safety switch not engaged properly. | Me whakarite kua whakakiia te pākahiko me te whakauru pai. Follow the two-step switch operation (push right, then push up). |
| Ka mutu te miihini i te wa e mahi ana. | Excessive pressure applied, activating overload protection. He iti te pākahiko. | Reduce pressure on the workpiece. Turn off the switch, then restart. Whakaorangia te pākahiko. |
| Te wiri nui, te haruru ranei. | 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. |
| He kino te mahi tapahi/mahi. | Worn or incorrect disc. Insufficient speed due to low battery. | Replace with a new, appropriate disc. Whakaorangia te pākahiko. |
9. Whakatakotoranga
Detailed technical specifications for the WORKPRO 20V Cordless Angle Grinder.
| Āhuahira | Whakatakotoranga |
|---|---|
| Waitohu | WORKPRO |
| Tau tauira | W125049AU |
| Puna Mana | Pūhiko Powered |
| Momo Pūhiko | 20V 4.0Ah Lithium-ion |
| Kore-Uta Tere | 7500 rpm |
| Kopae Diamita | Ø125mm |
| Taumaha (kare he pākahiko) | 1.75 kg |
| Total Weight (with battery) | 3.58 kg (Package weight) |
| Rauemi | Korotahi Steel |
| Tae | Grey, Black, Green |
| Kaihanga | 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. Pūtāhui me te Tautoko
The WORKPRO 20V Cordless Angle Grinder comes with a 1 tau te whakamana a te kaiwhakanao mai i te ra o te hokonga.
This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from misuse, abuse, neglect, unauthorized repairs, or normal wear and tear.
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 webpae.
Tena koa pupurihia to tohu mo te hoko mo te whakamana whakamana.





