Brand: Makita
Category: Power Tool
Document Type: Manual
Language: EN
Available Languages: EN , ES
Uploaded: Nov. 21, 2025, 7:29 p.m.
Refer to your local Makita service center for additional information on accessories.
Height Adjustment: Adjust the cutting height using the lever. Ensure the lever is aligned with the desired setting (3 levels for ELM3320/ELM3720, 7 levels for ELM4120).
Starting the mower: Press the lock-off button, then squeeze the lever. Release the lever to stop.
Grass Catcher Indicator: The indicator shows when the grass catcher is full and needs emptying.
Handle Height Adjustment: Loosen the knob nuts, adjust the handle height, and retighten.
Motor Protection: The motor protection (thermal cut-out) will stop the mower if it overheats or is overloaded, e.g., by wet or long grass.
Mowing: Mow in overlapping strips, changing direction regularly. Be careful when mowing high grass, doing it in stages.
Edge Trimming: Move the mower parallel to the edge.
| Symptom | Possible Cause | Remedy |
|---|---|---|
| Mower stops during operation | Overload or motor protection activated | Release the lever, disconnect the power supply. Remove any obstructions and allow the mower to cool before restarting. |
| Excessive vibration | Loose parts, damaged blade, or improper assembly | Check for loose parts and tighten. Inspect and replace the blade if damaged. Ensure proper assembly. |
| Uneven cutting | Incorrect height adjustment, dull blade, or clogged mower deck | Adjust cutting height. Sharpen or replace the blade. Clean the mower deck. |
| Grass catcher not filling properly | Grass catcher is full or not installed correctly | Empty the grass catcher. Ensure it is properly attached. |