DeWalt DW12AVP2R3739 Lawn Mower Manual

The DeWalt DW12AVP2R3739 is a 12 Amp, 21-inch corded electric lawn mower featuring a 2-in-1 mulching and side-discharge capability, 7-position single-lever height adjustment, foldable handles for easy storage, a durable steel deck, and a 2-year limited warranty. Designed for residential use, it offers reliable performance for small to medium-sized lawns. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Information 3. Assembly Instructions 4. Specifications 5. Controls and Operation 6. Cutting Height Adjustment 7. Maintenance & Care 8. Storage Instructions 9. Warranty Information 10. Troubleshooting

Features at a Glance

Key components: 12 Amp electric motor, 21-inch steel cutting deck, 2-in-1 mulch/side-discharge system, foldable handles, 7-position height adjustment, cord retention system, and grass bag.

Feature	Description
Motor	12 Amp electric motor for consistent power
Cutting Width	21-inch steel deck for efficient mowing
2-in-1 Function	Mulch or side-discharge capability
Height Adjustment	7-position single-lever adjustment (1.5" to 4")
Handles	Foldable for compact storage
Grass Bag	Included for collection (side-discharge mode)
Cord Retention	Hook to secure power cord during use
Safety Key	Required to start mower; removes to prevent accidental start
Start Lever	Engages motor when safety key is inserted
Wheels	8-inch rear, 7-inch front for easy maneuverability

Safety Information

Read all instructions before use. Always wear appropriate safety gear.

Inspect area: Remove stones, toys, and other objects that could be thrown.
Use outdoors only: Not for wet grass or rain.
Power cord: Keep cord away from cutting area; use cord retention hook.
Safety key: Remove when not in use to prevent unauthorized operation.
Children/pets: Keep away during operation.

WARNING! Risk of electric shock. Do not expose to rain or use on wet grass. Always disconnect power before maintenance.

Assembly Instructions

Unpack and inspect all parts. Assembly requires a Phillips screwdriver.

Attach lower handle: Align with deck brackets; secure with provided bolts.
Attach upper handle: Connect to lower handle; tighten knobs.
Install grass bag: Attach to rear discharge chute; ensure clips engage.
Install wheels: Slide axles through deck; secure with washers and clips.
Attach cord hook: Mount on handle for cord management.

CAUTION! Ensure all bolts are tight before operation. Do not overtighten plastic parts.

Specifications

Motor: 12 Amp, 120V AC.
Cutting Width: 21 inches.
Cutting Heights: 7 positions, 1.5" to 4".
Deck Material: Powder-coated steel.
Wheels: 8-inch rear, 7-inch front.
Weight: Approximately 55 lbs.
Collection: 1.9 bushel grass bag.
Power Source: 120V, 60Hz, grounded outlet.
Warranty: 2-year limited.

Controls and Operation

Front of mower: Safety key slot, start lever. Handle: Height adjustment lever, cord hook.

Starting: Insert safety key, grip start lever to handle, press and hold to engage motor.

Stopping: Release start lever; motor stops. Remove safety key.

Mulching: Install mulch plug (included) over side discharge chute.

Side-Discharge: Remove mulch plug; attach grass bag.

Mowing Tips: Overlap passes by 2-3 inches. Mow when grass is dry. Avoid cutting more than 1/3 of grass height at once.

Cutting Height Adjustment

Single lever adjusts all four wheels simultaneously.

Stop mower and remove safety key.
Pull lever outward and move to desired position (1-7).
Release lever; ensure it locks into place.
Test on a small area before full mowing.

Tip: Higher settings for longer grass, lower for a manicured look.

Maintenance & Care

Disconnect power before any maintenance.

Blade sharpening: Remove blade (use blade removal tool) and sharpen evenly every season.
Cleaning: Hose off underside after use; dry thoroughly.
Inspection: Check for loose bolts, damaged cord, or worn parts before each use.
Wheel lubrication: Apply light oil to axles if wheels become stiff.

WARNING! Always wear gloves when handling blade. Ensure mower is unplugged.

Storage Instructions

Store in a dry, covered area.

Clean mower thoroughly.
Fold handles: Loosen knobs, fold handles down.
Store cord: Wrap cord around cord hook.
Protect blade: Apply light oil to prevent rust.
Store grass bag separately to maintain shape.

CAUTION! Do not store near chemicals or in extreme temperatures.

Warranty Information

DeWalt provides a 2-year limited warranty from date of purchase against defects in materials or workmanship. Proof of purchase required. Warranty does not cover normal wear, misuse, or commercial use. For warranty service, contact DeWalt Customer Service at 1-800-433-9258 or visit www.dewalt.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Mower won't start	Safety key not inserted; no power	Insert safety key; check outlet/circuit breaker; ensure cord is plugged in.
Poor cutting performance	Dull blade; low cutting height	Sharpen or replace blade; adjust to higher cutting setting.
Motor stops during use	Overload; grass too wet/thick	Reduce cutting width; mow slower; allow grass to dry.
Uneven cut	Uneven tire pressure; deck not level	Check tire inflation; adjust deck leveling (see manual).
Excessive vibration	Loose blade; debris in deck	Tighten blade bolt; clean underside of deck.

Service: For repairs not covered under warranty, contact authorized DeWalt service center.

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