1. Réamhrá
The Einhell TE-AG 18/125 CE Q Li cordless angle grinder is a versatile and powerful tool designed for a variety of tasks including grinding, cutting, roughing, and polishing. As part of the Einhell Power X-Change family, this tool offers cordless freedom and compatibility with all Power X-Change batteries and chargers. It features a robust PurePOWER brushless motor for extended runtime and power, constant electronics for stable performance, and a quick-fix nut for easy disc changes. This manual provides essential information for safe operation, setup, maintenance, and troubleshooting to ensure optimal performance and longevity of your tool.

Figure 1: The Einhell Power X-Change ecosystem, highlighting battery compatibility across various tools.
2. Treoracha Sábháilteachta
Always observe the following safety precautions when operating the angle grinder to prevent injury and damage.
- Caith Trealamh Cosanta Pearsanta (TCP): Always wear safety goggles, hearing protection, and work gloves. A dust mask is recommended for dusty operations.
- Obair Oibre Slán: Cinntigh go bhfuil an píosa oibre socraithe go daingeanampcurtha nó daingnithe chun gluaiseacht a chosc le linn oibríochta.
- Greim Chuí: Maintain a firm grip on the tool with both hands, using the additional handle provided.
- Check Disc Condition: Before each use, inspect the grinding or cutting disc for cracks, chips, or damage. Replace damaged discs immediately.
- Correct Disc Type: Use only discs appropriate for the material and task. Ensure the disc's maximum RPM rating is higher than the tool's maximum speed.
- Adjust Disc Guard: Position the disc guard to provide maximum protection for the operator and to deflect sparks away from the body.
- Seachain Cúltaca: Be aware of potential kickback, especially when cutting. Maintain a stable stance and avoid binding the disc in the workpiece.
- Limistéar Oibre Glan: Keep the work area clean and well-lit. Remove any flammable materials.
- Sábháilteacht Battery: Use only Einhell Power X-Change batteries and chargers. Do not expose batteries to heat or water.
- Cosaint ró-ualaithe: The tool is equipped with overload protection. If the tool stops, reduce pressure or allow it to cool down before resuming.
- Cosaint Atosaigh: The tool features restart protection to prevent accidental startup after a power interruption or battery change.
3. Comhpháirteanna Tharview
Familiarize yourself with the main components of your Einhell Cordless Angle Grinder:
- Brushless Motor (PurePOWER): Provides high power and efficiency with minimal maintenance.
- Cnaipe Glas Fearsaid: For securing the spindle during disc changes.
- Quick-Fix Nut: Allows for tool-free and rapid changing of grinding/cutting discs.
- Quick-Adjust Disc Guard: Protects against sparks and debris, adjustable without tools.
- Láimhseáil Breise: Can be mounted in two positions for optimal control and comfort.
- Variable Speed Control Dial: Adjusts the rotational speed (3000-10500 RPM) for different materials.
- Taispeántas Luas LED: Indicates the selected speed setting.
- Dust Protection Grid: Integrated grid protects the tool's interior from dust and debris, removable for cleaning.
- Comhéadan Battery: For connecting Power X-Change batteries.
4. Socrú
4.1 Suiteáil Battery
Ensure the battery is fully charged before use. The angle grinder is sold without a battery or charger, which must be purchased separately as part of the Power X-Change system.
- Align the battery with the battery interface on the tool.
- Sleamhnaigh an ceallraí i bhfeidhm go dtí go cliceáil sé go daingean.
- Chun é a bhaint, brúigh an cnaipe scaoilte ar an gceallraí agus sleamhnaigh amach é.

Figure 2: Illustration indicating that the battery and charger are not included with the tool and must be purchased separately.
4.2 Disc Installation and Guard Adjustment
The angle grinder accepts cutting discs up to 125 mm in diameter.
- Cinntigh go bhfuil an uirlis múchta agus go bhfuil an ceallraí bainte.
- Brúigh agus coinnigh an cnaipe glasála fearsaid.
- Unscrew the quick-fix nut by hand (or using a spanner if necessary, though it's designed for tool-free operation).
- Place the desired grinding or cutting disc onto the flange, ensuring it is centered.
- Screw the quick-fix nut back on and tighten it firmly by hand. Release the spindle lock button.
- Adjust the quick-adjust disc guard to ensure maximum protection for your hands and body, deflecting sparks away from you.

Figure 3: Detail of the quick-fix nut mechanism for fast and tool-free disc changes.
4.3 Additional Handle Attachment
The additional handle can be screwed into either of the two mounting positions on the gear head for comfortable and secure two-hand operation.
5. Treoracha Oibriúcháin
5.1 Cumhachtú Amach/Amach
- To switch on, slide the ON/OFF switch forward.
- To switch off, release the ON/OFF switch. The tool will stop.
5.2 Rialú Luais Athraitheach
The integrated variable speed control allows you to adjust the rotational speed between 3000 and 10500 RPM, optimizing performance for different materials and applications. The constant electronics feature ensures that the selected speed is maintained even under load.
- Use the speed control dial to select the desired RPM.
- Refer to the LED speed display for the current setting.
- Lower speeds are generally suitable for polishing or working with sensitive materials, while higher speeds are for aggressive grinding and cutting.

Figure 4: Close-up of the variable speed control dial, allowing precise speed adjustment.

Figure 5: The LED display showing speed settings and an overload indicator for safe operation.
5.3 Leideanna Úsáide Ginearálta
- Lig don uirlis luas iomlán a bhaint amach sula ndéanann sí teagmháil leis an bpíosa oibre.
- Apply moderate pressure; excessive force can lead to overheating, reduced performance, and disc damage.
- Move the tool smoothly and consistently across the workpiece.
- For cutting, use a cutting disc and make shallow passes to avoid binding.
- For grinding, hold the disc at a slight angle to the workpiece.

Figure 6: An operator using the Einhell angle grinder for a cutting application, demonstrating proper safety gear and technique.
6. Cothabháil
Cinntíonn cothabháil rialta fad saoil agus feidhmíocht is fearr do mheilteora uillinne.
6.1 Glanadh
- Bain an ceallraí i gcónaí roimh ghlanadh.
- Glan taobh amuigh an uirlis le clúdach bog,amp éadach. Ná húsáid ceimiceáin gharbh ná glantóirí scríobacha.
- The integrated dust protection grid can be easily removed for cleaning. Regularly clean it to prevent dust buildup and ensure proper air circulation.
- Use compressed air to clear ventilation slots and internal components of dust and debris.

Figure 7: Close-up of the removable dust protection grid, designed to shield internal components from debris.
6.2 Stóráil
Store the angle grinder in a dry, secure place, out of reach of children. Remove the battery before storing for extended periods.
7. Fabhtcheartú
Seo roinnt fadhbanna coitianta agus a réitigh fhéideartha:
| Fadhb | Cúis Féideartha | Réiteach |
|---|---|---|
| Ní thosaíonn an uirlis | Battery not inserted correctly or discharged; ON/OFF switch not fully engaged; Restart protection active. | Check battery connection and charge level; Ensure switch is fully engaged; Cycle the ON/OFF switch to reset restart protection. |
| Reduced performance / Tool stops during operation | Overload protection activated; Battery low; Disc worn or incorrect type. | Reduce pressure on the tool; Recharge battery; Replace disc if worn or use appropriate disc. |
| Creathadh iomarcach | Disc incorrectly mounted or damaged; Flange nut not tightened. | Re-mount disc correctly; Replace damaged disc; Tighten quick-fix nut securely. |
8. Sonraíochtaí
| Gné | Luach |
|---|---|
| Uimhir Mhúnla | 4431155 |
| Foinse Cumhachta | Battery Powered (Power X-Change 18V) |
| Imltage | 18 Volta |
| Aschur Cumhachta | 900 Watts |
| Trastomhas Diosca Uasta | 125 mm |
| uas. Doimhneacht Ghearrtha | 33 mm |
| Luas Gan Ualach | 3000 - 10500 RPM (Athraitheach) |
| Cineál Mótair | Brushless (PurePOWER) |
| Toisí Táirge (LxWxH) | 30 x 22.4 x 11 cm |
| Meáchan Mír | 1.71 kg |
| Comhpháirteanna San áireamh | Cordless Angle Grinder, Disc Guard, Quick-Fix Nut, Auxiliary Handle |
9. Barántas agus Tacaíocht
Einhell provides a 10-year guarantee on the PurePOWER brushless motor upon online registration. For detailed warranty information, product registration, or technical support, please visit the official Einhell website or contact your local dealer. Keep your purchase receipt as proof of purchase.