The DeWalt DCMW220X2 is a 20-inch cordless electric lawn mower powered by two 20V MAX* batteries (included), featuring a brushless motor for increased runtime and power, a 3-in-1 capability (mulch, bag, side discharge), a single-lever height adjustment for 7 cutting positions (1.5" to 4"), a foldable design for compact storage, and a push-button start. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.
Key components: Deck with brushless motor, Battery Ports (2x), Height Adjustment Lever, Mulching Plug, Grass Bag, Safety Key, Start Button, Foldable Handle.
| Feature | Description |
|---|---|
| Power Source | Two 20V MAX* Lithium-Ion Batteries (included) |
| Cutting Width | 20 inches |
| Cutting Height | 7 positions (1.5" to 4") |
| 3-in-1 Function | Mulch, Bag, Side Discharge |
| Motor Type | Brushless (increased efficiency & runtime) |
| Start Mechanism | Push Button (no pull cord) |
| Handle | Foldable for storage |
| Wheels | 8-inch rear, 7-inch front |
| Safety Key | Required for operation |
| Weight (without battery) | Approx. 55 lbs |
Unpack and inspect all parts. Assemble on a flat, clear surface.
WARNING! Ensure mower is powered OFF and batteries are removed during assembly. Tighten all fasteners securely.
Before first mow, fully charge both batteries. Adjust cutting height.
CAUTION! Always wear sturdy footwear and eye protection. Do not mow wet grass.
Primary controls located on the upper handle. Deck Adjustment: Single lever controls all four wheels simultaneously.
Handle Controls: START/STOP Button, Battery Fuel Gauges (on batteries), Safety Key Slot.
Height Adjustment: Pull lever outward and move to desired number (1=Lowest, 7=Highest). Mode Selection: Install Mulching Plug for mulching; attach Bag for collection; attach or remove Side Discharge Chute for side discharge. Folding: Loosen handle knobs, fold upper handle down for compact storage.
Select mode based on lawn condition and preference.
Tip: For best mulching, mow frequently and avoid cutting more than 1/3 of grass height at once.
Uses two DeWalt 20V MAX Lithium-Ion batteries.
WARNING! Use only DeWalt 20V MAX batteries and chargers. Do not expose batteries to fire or water.
Safety Key: Must be inserted to start; removes to prevent unauthorized use. Start Button: Requires continuous pressure; releases to stop blade instantly. Blade Brake: Stops blade within 3 seconds of releasing button. Protective Deck: Designed to contain debris.
After each use: Clean underside of deck (mower OFF, batteries removed). Periodically: Check blade for sharpness/damage (replace if bent or dull). Lubricate wheel axles if needed. Store in a dry place with handle folded.
CAUTION! Always disconnect batteries before performing any maintenance. Wear gloves when handling the blade.
This product complies with applicable U.S. safety standards. Copyright © 2023 DeWalt. DeWalt, the yellow/black color scheme, and 20V MAX are trademarks of DeWalt Industrial Tool Co. or its affiliates. For support, visit www.dewalt.com or contact 1-800-4-DEWALT (1-800-433-9258).
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Mower won't start | Safety key missing, dead batteries | Insert safety key; check battery charge; ensure batteries are fully seated. |
| Reduced runtime | Old/damaged batteries, thick grass | Charge batteries fully; use higher cutting height for thick grass; consider battery replacement. |
| Uneven cut | Dull/bent blade, uneven tire pressure | Inspect and sharpen or replace blade; check all wheels are on same height setting. |
| Poor mulching/bagging | Wet grass, deck clogged, full bag | Mow when grass is dry; clean deck underside; empty grass bag. |
| Unusual vibration/noise | Damaged blade, foreign object in deck | STOP immediately. Disconnect batteries. Inspect blade and deck for damage/obstructions. |
Reset: Remove batteries and safety key for 1 minute to reset electronics.
Service: 1-800-4-DEWALT; www.dewalt.com