Dewalt DCHT820 Manual PDF

The Dewalt DCHT820 is a cordless hedge trimmer designed for efficient trimming and cutting of hedges and shrubs. It features a powerful motor, a 22-inch dual-action blade for reduced vibration, and a lightweight design for easy handling. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operating the Trimmer 8. Maintenance 9. Safety Information 10. Troubleshooting

Features at a Glance

Key components: 22-inch dual-action blade, lightweight design, powerful motor, safety switch, and ergonomic handle.

FeatureDescription
22-inch bladeFor efficient cutting of hedges and shrubs
Dual-action bladeReduces vibration and improves cutting efficiency
Lightweight designEasy to handle and maneuver
Safety switchPrevents accidental start-up
Ergonomic handleProvides comfort during use

Installation

Unpack and inspect contents. Ensure battery is charged before use.

  1. Attach the blade guard before storage.
  2. Check battery connections and ensure they are secure.
  3. Read the safety instructions before operating.

WARNING! Always wear safety goggles and gloves while operating the trimmer.

First-Time Setup

Power on the trimmer; ensure the battery is properly installed.

  1. Insert the battery until it clicks into place.
  2. Check the blade for any obstructions.
  3. Perform a test run in a safe area.

CAUTION! Ensure the area is clear of debris before starting.

Specifications

Controls and Settings

Access controls via the trigger switch and safety lock. Ensure the safety lock is engaged before inserting the battery.

Trigger: Press to operate; release to stop.

Connecting Devices

No external devices are required for operation.

  1. Ensure the battery is fully charged.
  2. Check that the blade is properly installed.

Tip: Always store the trimmer in a dry place.

Operating the Trimmer

Supports trimming of various hedge types.

  1. Hold the trimmer with both hands for stability.
  2. Start trimming from the bottom and work your way up.
  3. Use smooth, even strokes for best results.

WARNING! Keep hands away from the blade while operating.

Maintenance

Regular maintenance is essential for optimal performance.

  1. Clean the blade after each use.
  2. Check battery for wear and replace if necessary.
  3. Store in a cool, dry place.

Safety Information

Always wear appropriate safety gear while operating the trimmer.

CAUTION! Read the manual thoroughly before use.

Troubleshooting

SymptomPossible CauseCorrective Action
Trimmer won't startBattery not chargedCharge the battery and try again.
Blade not cuttingObstruction or dull bladeClear any obstructions; sharpen or replace blade.
Excessive vibrationLoose bladeTighten blade screws and check alignment.

Service: For assistance, contact Dewalt customer service.

Dewalt DCHT820 Manual PDF © - All Rights Reserved 2026