DEWALT N511149

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DeWalt OEM N511149 Lawn Mower Grass Bag User Manual

Model: N511149 | Brand: DEWALT

1. Introduction

This manual provides essential information for the proper installation, operation, and maintenance of your DeWalt OEM N511149 Lawn Mower Grass Bag. This genuine DeWalt replacement part is designed to effectively collect grass clippings during lawn mowing operations, ensuring a clean finish and efficient debris management.

Compatibility: This grass bag is compatible with the following DeWalt lawn mower models:

  • DCMW290H1
  • DCMW220X2
  • DCMW220P2

Always consult your specific lawn mower's owner's manual for detailed compatibility and installation instructions.

2. Safety Information

Before installing or using the grass bag, please read and understand all safety warnings and instructions provided in your lawn mower's owner's manual. Failure to follow these instructions may result in serious injury or property damage.

  • Always wear appropriate personal protective equipment (PPE), including safety glasses and gloves, when handling or installing the grass bag.
  • Ensure the lawn mower is turned off and the battery (if applicable) is removed before attempting any installation or maintenance.
  • Inspect the grass bag for any damage or wear before each use. Do not use a damaged bag.
  • Keep hands and feet away from moving parts of the lawn mower when the engine is running.
  • Do not overfill the grass bag. Empty it regularly to maintain optimal performance and prevent strain on the mower.

3. Product Overview

The DeWalt OEM N511149 Grass Bag is a durable, lightweight accessory designed for efficient collection of lawn clippings. It features a robust fabric construction and is engineered for a secure fit on compatible DeWalt lawn mowers.

DeWalt OEM N511149 Lawn Mower Grass Bag, black fabric with yellow DeWalt logo.

This image displays the DeWalt OEM N511149 Lawn Mower Grass Bag. It is a black fabric bag designed to collect grass clippings, featuring the prominent yellow DeWalt logo on its side. The bag appears to be made of a durable mesh material, suitable for outdoor use.

4. Setup and Installation

Follow these steps to properly install the grass bag on your compatible DeWalt lawn mower:

  1. Prepare the Mower: Ensure the lawn mower is completely turned off and the power source (e.g., battery pack) is disconnected to prevent accidental startup.
  2. Locate the Discharge Opening: Identify the rear discharge opening on your lawn mower, typically located at the back of the mower deck.
  3. Lift the Rear Discharge Door: Carefully lift the spring-loaded rear discharge door or flap on the mower. This will expose the opening where the grass bag attaches.
  4. Attach the Grass Bag: Align the frame or opening of the N511149 grass bag with the mower's discharge opening. The bag's frame should hook onto the designated slots or rails on the mower. Ensure it is securely seated and latched into place. You may hear a click or feel it lock.
  5. Lower the Discharge Door: Gently lower the rear discharge door so that it rests on top of the grass bag's frame, helping to hold it in position and seal the opening.
  6. Verify Secure Attachment: Lightly tug on the grass bag to confirm it is firmly attached and will not dislodge during operation.

If you encounter any difficulty, refer to your specific lawn mower's owner's manual for detailed diagrams and instructions regarding grass bag attachment.

5. Operating Instructions

Once the grass bag is securely installed, you can begin mowing. The bag will collect the grass clippings as you operate the mower.

  • Monitor Bag Fill Level: Periodically check the grass bag's fill level. As it fills, the mower's cutting efficiency may decrease, and the discharge chute may become clogged.
  • Emptying the Bag: When the bag is full, or when you notice a reduction in collection efficiency, turn off the lawn mower and disconnect its power source. Carefully remove the grass bag by reversing the installation steps.
  • Disposing of Clippings: Empty the collected grass clippings into a compost pile, yard waste bin, or as per local regulations.
  • Reattach Bag: Reattach the empty grass bag following the installation steps before resuming mowing.

6. Maintenance

Regular maintenance of your grass bag will extend its lifespan and ensure optimal performance.

  • Cleaning: After each use, or as needed, empty the grass bag completely. Use a hose to rinse off any accumulated grass, dirt, or debris from both the inside and outside of the bag. Allow the bag to air dry completely before storing it to prevent mold or mildew growth.
  • Inspection: Periodically inspect the grass bag for signs of wear, tear, holes, or damage to the fabric or frame. Check the attachment points for any bending or cracking.
  • Storage: Store the grass bag in a clean, dry place, away from direct sunlight and extreme temperatures, when not in use.
  • Replacement: If the grass bag becomes significantly damaged, torn, or its frame is compromised, it should be replaced with a genuine DeWalt N511149 replacement part to maintain safety and performance.

7. Troubleshooting

If you experience issues with your grass bag, consider the following common troubleshooting tips:

  • Poor Grass Collection:
    • Check if the grass bag is full and needs emptying.
    • Ensure the bag is properly attached and sealed to the mower's discharge opening.
    • Inspect the mower's discharge chute for clogs. Clear any blockages (with the mower off and power disconnected).
    • Verify that the mower blades are sharp and properly installed. Dull blades can lead to poor cutting and collection.
  • Bag Falling Off:
    • Ensure the bag's frame is correctly seated and latched onto the mower's attachment points.
    • Check for any damage or deformation to the bag's frame or the mower's attachment points.
  • Excessive Dust/Debris:
    • The bag may be overfilled, causing dust to escape.
    • Inspect the bag for small tears or holes that might allow fine debris to escape.

8. Specifications

AttributeValue
Model NumberN511149
BrandDEWALT
MaterialPlastic (Frame), Fabric (Bag)
Item Weight1.15 pounds
Product Dimensions13.6 x 6.65 x 4.6 inches
CompatibilityDCMW290H1, DCMW220X2, DCMW220P2

9. Warranty and Support

For information regarding warranty coverage for your DeWalt OEM N511149 Lawn Mower Grass Bag, please refer to the warranty documentation provided with your original DeWalt lawn mower or visit the official DeWalt website. As an OEM replacement part, its warranty may be tied to the original product or covered under a specific parts warranty.

For technical support, replacement parts, or further assistance, please contact DeWalt Customer Service or visit their official support channels:

  • DeWalt Official Website: www.dewalt.com
  • Refer to your original product documentation for specific contact numbers or service center locations.

© 2025 DEWALT. All rights reserved. This manual is for informational purposes only.

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