DeWalt XR DCMWP134W2 Lawn Mower Manual

The DeWalt XR DCMWP134W2 is a 20-inch cordless electric lawn mower powered by DeWalt's 20V MAX/60V MAX FLEXVOLT battery system. It features a brushless motor for increased runtime and power, a 3-in-1 capability (mulch, bag, side discharge), a 7-position single-lever height adjustment, a folding handle for easy storage, and a weather-resistant construction. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Assembly & Setup 3. First-Time Operation 4. Specifications 5. Controls and Settings 6. Battery & Charging 7. Mowing Operations 8. Maintenance & Storage 10. Safety Information 11. Warranty & Support 12. Troubleshooting

Features at a Glance

Key components: Brushless motor deck, folding handle, battery compartment, height adjustment lever, rear collection bag, mulch plug, and safety key.

FeatureDescription
Power Source20V MAX/60V MAX FLEXVOLT Battery System (compatible)
Cutting Width20 inches
Cutting Options3-in-1 (Mulch, Bag, Side Discharge)
Height Adjustment7-position single lever (1.5" - 4")
Motor TypeBrushless for efficiency and durability
HandleFolding for compact storage
Deck MaterialPolymer for corrosion resistance
Safety KeyRemovable key to prevent accidental start
Battery GaugeLED indicator on battery
Warranty3-year limited warranty

Assembly & Setup

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

  1. Attach the Lower Handle: Secure to deck using provided bolts and wrench.
  2. Attach the Upper Handle: Connect to lower handle, secure knobs.
  3. Install the Rear Bag: Attach bag frame to deck hooks, secure bag.
  4. Install Battery: Insert fully charged FLEXVOLT battery into compartment.
  5. Attach Mulch Plug (if desired): Insert into rear discharge chute.

WARNING! Ensure mower is turned OFF and battery is removed during assembly. Tighten all fasteners securely.

First-Time Operation

Before first mow, perform a safety check and familiarize yourself with controls.

  1. Charge Battery: Use DeWalt charger until full (LED indicator).
  2. Insert Safety Key: Push fully into slot near handle.
  3. Adjust Cutting Height: Use single lever to desired setting.
  4. Select Discharge Mode: Install bag, mulch plug, or open side chute.
  5. Start Mower: Hold safety bail handle to handle, press start button.

CAUTION! Clear mowing area of debris, stones, and toys. Wear appropriate safety gear.

Specifications

Controls and Settings

Primary controls located on the upper handle. Safety bail must be engaged for operation.

Handle Controls: Safety Bail Handle, Start/Stop Button, Battery Gauge (on battery).

Adjustments: Single-Lever Height Adjustment (7 positions), Discharge Mode Selector (bag/mulch/side).

Battery: Insert/Release Button, LED Fuel Gauge (press to check).

Battery & Charging

Use only DeWalt 20V MAX or 60V MAX FLEXVOLT batteries and chargers.

  1. Charging: Connect charger to outlet, insert battery. LED indicates status.
  2. Runtime: Varies based on grass condition, height, and battery capacity.
  3. Storage: Store battery in cool, dry place away from metal objects.

Tip: For best performance, keep battery contacts clean and charge at room temperature.

Mowing Operations

Supports mulching, bagging, and side discharge for various lawn conditions.

  1. Starting: Engage safety bail, press start button.
  2. Mowing Pattern: Overlap each pass by 2-3 inches for even cut.
  3. Bagging: Ensure bag is properly attached; empty when full.
  4. Mulching: Install mulch plug; mow when grass is dry for best results.
  5. Side Discharge: Remove bag and mulch plug; direct chute away from people.
  6. Stopping: Release safety bail; motor will stop.

WARNING! Never operate without proper discharge attachment installed. Keep hands and feet away from moving parts.

Maintenance & Storage

Regular maintenance ensures optimal performance and longevity.

  1. After Each Use: Clean underside of deck (mower OFF, battery removed).
  2. Blade Care: Inspect blade monthly for damage; sharpen or replace as needed.
  3. Wheel & Bearing Check: Ensure wheels rotate freely; lubricate if necessary.
  4. End of Season: Fully charge battery, clean mower, store in dry location.

CAUTION! Always disconnect battery before performing any maintenance.

Safety Information

Read all instructions before use. Contains important safety information for operation.

Warranty & Support

DeWalt provides a 3-year limited warranty for this mower. Proof of purchase required. For technical support, replacement parts, or warranty service, contact DeWalt Customer Service at 1-800-433-9258 or visit www.dewalt.com.

Troubleshooting

SymptomPossible CauseCorrective Action
Mower won't startSafety key not inserted, dead battery, safety bail not engagedInsert key, charge/replace battery, fully engage bail.
Poor cutting performanceDull blade, low battery, cutting height too lowSharpen/replace blade, charge battery, adjust height.
Uneven cutDeck clogged, uneven tire pressureClean deck underside, check tire pressure.
Battery not chargingFaulty charger, dirty contacts, temperature extremeTry different outlet/charger, clean contacts, charge at room temp.
Excessive vibrationDamaged or unbalanced blade, loose partsStop mower, inspect and tighten all fasteners, replace blade if damaged.

Reset: Remove battery for 30 seconds to reset electronics.

Service: 1-800-433-9258; www.dewalt.com

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