DeWalt DCMW290 Lawn Mower Manual

The DeWalt DCMW290 is a 20-inch cordless electric lawn mower powered by two 20V MAX* or 60V MAX FLEXVOLT® batteries (sold separately). It features a brushless motor for extended runtime and durability, a 3-in-1 design (mulch, bag, side discharge), 7-position single-lever height adjustment, foldable handles for easy storage, and a weather-resistant construction. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Deck with brushless motor, foldable handle, battery ports, height adjustment lever, grass collection bag, and mulch plug.

Assembly Instructions

Unpack all parts and inspect for damage. Assembly requires basic tools (included).

1. Attach the Lower Handle: Align lower handle with deck brackets, secure with provided bolts and wrench.
2. Install Upper Handle: Slide upper handle onto lower handle posts, secure with knobs.
3. Attach Grass Bag: Hook bag frame onto rear deck mounts; ensure bag is securely attached.
4. Install Mulch Plug (if mulching): Insert mulch plug into rear discharge chute.
5. Install Batteries: Insert two fully charged 20V MAX* or 60V MAX batteries into ports.

WARNING! Do not install batteries until assembly is complete and you are ready to mow. Ensure all fasteners are tight.

First-Time Setup

Before first use, prepare the mower and lawn.

1. Charge Batteries: Use DeWalt charger to fully charge batteries before first use.
2. Adjust Cutting Height: Set lever to desired height (recommend 3" for first mow).
3. Select Discharge Mode: Install bag for collection, mulch plug for mulching, or leave chute open for side discharge.
4. Insert Safety Key: Insert key into slot near handle.
5. Test Start: Press and hold safety lever on handle, then press start button to ensure operation.

CAUTION! Clear lawn of debris, stones, and toys before mowing. Wear safety glasses and sturdy shoes.

Specifications

• Model: DCMW290
• Cutting Width: 20 inches
• Cutting Height Range: 1.5 - 4 inches (7 positions)
• Power: Dual 20V MAX* or 60V MAX FLEXVOLT® Battery System
• Motor: Brushless
• Deck Material: Steel
• Wheels: 8" rear, 7" front
• Weight (without batteries): 65 lbs
• Collection Bag Capacity: 1.9 bushels
• Noise Level: Significantly lower than gas mowers

Controls and Settings

Main controls located on the upper handle.

Handle Controls: Safety lever (must be held to operate), Start/Stop button, Battery fuel gauge LEDs.

Height Adjustment: Single lever near each wheel; move lever to match notch for desired height.

Discharge Mode Selection: Bag: Attach bag. Mulch: Install mulch plug. Side Discharge: Remove plug and bag, ensure chute is clear.

Battery Indicators: LEDs on battery show charge level; LEDs on mower handle indicate power status.

Operating the Mower

Follow these steps for safe and effective mowing.

1. Insert Safety Key and fully charged batteries.
2. Hold the safety lever against the handle.
3. Press the Start button. The blade will begin to spin.
4. Walk at a steady pace, overlapping passes slightly for even cut.
5. To stop, release the Start button and safety lever.
6. Empty bag frequently when indicator shows full.
7. For slopes: Mow across slope, not up and down, if possible.

Tip: Mow when grass is dry for best results. Avoid mowing in wet conditions.

Maintenance & Care

Regular maintenance ensures optimal performance and longevity.

1. After Each Use: Clean underside of deck (with mower off and batteries removed).
2. Blade Care: Periodically inspect blade for damage or dullness. Sharpen or replace as needed.
3. Wheel Check: Ensure wheels move freely and axles are secure.
4. Battery Contacts: Keep clean and dry.
5. General Inspection: Check for loose bolts, cracks, or wear before each use.

WARNING! Always remove safety key and batteries before performing any maintenance. The blade is sharp.

Storage Guidelines

Proper storage protects your investment.

• Clean mower thoroughly before storage.
• Remove batteries and store separately in a cool, dry place.
• Fold handle down to minimize space.
• Store in a dry, covered area, protected from the elements.
• Do not store with fuel (not applicable) or near corrosive materials.

CAUTION! Store out of reach of children. Do not hang mower by its handle.

Safety Information

Read and understand all safety instructions before use.

• Always wear eye protection and sturdy footwear.
• Keep hands and feet away from moving parts and discharge chute.
• Clear mowing area of objects that could be thrown.
• Do not mow on steep slopes (greater than 15 degrees).
• Do not allow children or untrained persons to operate.
• Never lift or carry mower while it is running.
• Use only DeWalt 20V MAX* or 60V MAX FLEXVOLT® batteries and charger.

Regulatory Information

This product complies with applicable standards and regulations. Copyright © 2023 DeWalt. DeWalt, the yellow/black color scheme, 20V MAX*, and FLEXVOLT® are trademarks of Stanley Black & Decker, Inc., used under license. For support, visit www.dewalt.com or contact DeWalt Customer Service at 1-800-4-DEWALT (1-800-433-9258).

Troubleshooting

Reset: Remove batteries and safety key for 60 seconds to reset electronics.

Service: For repairs, use an authorized DeWalt service center. 1-800-4-DEWALT; www.dewalt.com