Tools / Power Tools
User Manual for FLEX LBE 125 18.0-EC, LB 125 18.0-EC, L 125 18.0-EC Angle Grinder
Quick guide for the FLEX LBE 125 18.0-EC, LB 125 18.0-EC, and L 125 18.0-EC cordless angle grinders. Includes setup, operation, safety, and maintenance instructions.
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
This manual provides essential information for the safe and efficient operation of the FLEX LBE 125 18.0-EC, LB 125 18.0-EC, and L 125 18.0-EC cordless angle grinders. Always read the safety instructions before use.
Safety instructions
WARNING! Before using the angle grinder, read the operating instructions, the enclosed "General safety instructions" (leaflet no. 315.915), and local accident prevention regulations. Always wear eye and ear protection. Ensure the tool is in perfect working order before use.
Intended use
This angle grinder is designed for commercial use in industry and trade, for dry grinding and cutting of metal and stone, and for surface grinding, derusting, and stripping paint when used with an elastic sanding pad.
Overview
Key components include the spindle, threaded flange, guard hood, spindle lock, gear head, switch rocker, rear handle, speed control button (LBE model only), filter cover, handle, and battery.
Instructions for use
Battery
Insert the charged battery into the power tool until it clicks into place. To remove, press the release button and pull out the battery. Check the state of charge by pressing the button on the battery.
Guard
Attach the guard by aligning the lugs on the guard hood with the flange recesses. Turn the guard clockwise to lock it. Rotation is possible in one direction only.
Tool change
Remove the battery. Press and hold the spindle lock. Use the pin wrench to loosen the clamping nut. Insert the grinding wheel, screw on the clamping nut with the flange face up, and tighten with the pin wrench. Perform a test run for approx. 30 seconds to check for imbalances.
Operation
Use the switch rocker for brief operation (push forward and hold) or continuous operation (push forward and engage by pressing the front end). For the LBE 125 18.0-EC model, use the speed control button to select the desired speed.
Maintenance and care
Regularly clean the power tool and ventilation slots. Blow out the housing interior and motor with dry compressed air. Regularly clean the filter cover by removing it and blowing it out with dry compressed air.
Technical data
The grinders operate on 18V. Max grinding tool diameter is 125 mm. Spindle thread is M14. Weight varies by model (1.7 kg to 1.85 kg without battery).
Manufacturer information
FLEX
Practical help
Common problems
Battery does not charge or LEDs do not light up
Check if the battery is faulty or needs replacement.
Excessive vibration during operation
Ensure the grinding tool is clamped in the center and perform a test run.
Machine switches off during use
The machine may have triggered overload protection or sensor-controlled temperature monitoring. Allow it to cool down.
Before use
- Unpack and check for completeness and transport damage
- Charge the battery fully
- Attach the guard hood
- Attach the side handle
- Check tool clamping and perform a test run
Specs in practice
- Nominal voltage
- 18V DC
- Max. grinding tool Ø
- 125 mm
- Spindle thread
- M14
Images and diagrams
- Overview of components (spindle, guard, switch, battery, etc.)
- Battery insertion and removal procedure
- Guard mounting and adjustment
- Grinding wheel mounting and clamping nut orientation
- Speed control button operation (LBE model)
Model compatibility
- Use only original batteries with the voltage indicated on the type plate
- Use only chargers recommended by the manufacturer
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.