Brand: DEWALT
Category: Lawn Mower
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for DW12A-01T9739
Uploaded: Sept. 12, 2025, 4:17 a.m.
Manual Publish Date: 2023-11-21
Warranty Information
Three Year Limited Warranty. Contact DEWALT for specific terms and conditions.
Safe Operation Practices:
- Read and understand all instructions before operating.
- Inspect the area for foreign objects.
- Always wear safety glasses.
- Never allow children under 14 to operate.
- Mow across slopes, not up and down.
- Handle gasoline with care; it is flammable.
- Keep mower clean and in good working order.
Assembly Instructions:
- Unpack all parts and remove packing material.
- Assemble handles, recoil starter rope, and grass catcher.
- Adjust cutting height and handle pitch as needed.
Controls & Operation:
- Familiarize yourself with blade control, drive control, and recoil starter.
- Start the engine and engage drive controls to propel.
- Use side discharge, mulching, or grass catcher as desired.
Product Care:
- Regularly lubricate and maintain engine and mower components.
- Clean the engine and deck.
- Inspect and maintain the blade.
Troubleshooting and error codes
| Problem | Possible Cause | Solution |
|---|---|---|
| Mower does not start | No fuel or oil | Add fuel and oil as per Engine Operator's Manual. |
| Engine runs erratic, overheats, skips, or idles poorly | Refer to Engine Operator's Manual | Refer to Engine Operator's Manual for detailed troubleshooting. |
| Blade does not stop within 3 seconds | Safety interlock system malfunction | Have mower serviced by an authorized service dealer. |
| Mower does not propel itself or hesitates | Drive belt needs adjustment | Adjust the drive belt using the adjustment wheel on the drive control housing. |
| Excessive vibration | Unbalanced blade or damage | Check blade balance, inspect for damage, and replace if necessary. |