The DeWalt 12AVP2RF039 is a 12-inch cordless electric lawn mower powered by a 20V MAX* battery system, featuring a 2-in-1 mulching and rear bagging system, 5-position single-lever height adjustment, foldable handle for compact storage, push-button start, and a durable steel deck. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.
Key components: 12-inch steel cutting deck, 20V MAX* battery, charger, rear collection bag, mulching plug, foldable handle, safety key, and height adjustment lever.
| Feature | Description |
|---|---|
| Cutting Width | 12 inches |
| Power Source | 20V MAX* Lithium-Ion Battery (included) |
| Cutting System | 2-in-1 (Mulch & Bag) |
| Height Adjustment | 5 positions (0.75" - 2.75") |
| Start System | Push-button electric start |
| Handle | Foldable for storage |
| Deck Material | Powder-coated steel |
| Safety Key | Required for operation |
| Weight (without battery) | Approx. 25 lbs |
| Warranty | 3-year limited |
Unpack all parts and inspect for damage. Assembly requires a Phillips screwdriver (not included).
WARNING! Ensure all fasteners are tight before operation. Do not use if any parts are damaged.
Prepare the mower for its first use.
CAUTION! Keep hands and feet away from cutting blade at all times. Read all safety instructions before use.
Main controls located on the upper handle.
Handle Controls: Start/Stop button, Battery charge indicator, Safety key slot, Handle release lever.
Cutting Height Adjustment: Single lever located near each wheel. Move lever to one of 5 numbered positions to raise or lower deck.
Operation Mode: Install rear bag for collection, or insert mulching plug to mulch clippings back into lawn.
Uses DeWalt 20V MAX* Lithium-Ion battery (included). Charger included.
Tip: For best performance, keep battery contacts clean and use only DeWalt 20V MAX* batteries and chargers.
For effective and safe mowing.
WARNING! Always wear eye protection and sturdy footwear. Do not mow wet grass. Never remove safety key while blade is moving.
Regular maintenance ensures long life and safe operation.
CAUTION! Always disconnect battery before performing any maintenance.
Read and understand all instructions before use.
Refer to the full safety section in the printed manual for complete details.
This product complies with applicable U.S. safety and emissions standards. The battery contains lithium-ion cells; dispose of according to local regulations. Copyright © 2023 DeWalt. DeWalt, the yellow and black color scheme, and 20V MAX* are trademarks of Stanley Black & Decker, Inc., used under license. For support, visit www.dewalt.com or contact 1-800-4-DeWalt (1-800-433-9258).
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Mower will not start | Safety key not inserted, dead battery, loose connection | Insert safety key fully; charge or replace battery; check battery connection. |
| Poor cutting performance | Dull blade, low battery, cutting height too low | Sharpen or replace blade; charge battery; raise cutting height. |
| Mower vibrates excessively | Damaged or unbalanced blade, loose parts | Stop immediately. Check blade for damage and tighten all fasteners. |
| Battery not charging | Faulty charger, dirty contacts, battery defect | Clean battery/charger contacts; try different outlet; contact DeWalt if issue persists. |
| Bag not filling | Wet grass, deck clogged, improper installation | Mow when grass is dry; clean underside of deck; ensure bag is attached correctly. |
Service: For repairs, use only authorized DeWalt service centers. Do not attempt to repair the battery.
Support: 1-800-4-DeWalt; www.dewalt.com