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EarthWise 2120-16 - User Manual

EarthWise 2120-16
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OWNER’S MANUAL
16 in. - 20 VOLT LITHIUM-ION REEL MOWER
2.0Ah Lithium-ion Battery
Copyright All Rights Reserved.
Model 2120-16
Your lawn mower has been engineered and manufactured to our high standard for dependability, ease of operation,
and operator safety. Properly cared for, it will give you years of rugged, trouble-free performance.
WARNING: To reduce the risk of injury, the user must read and understand the owner’s manual before using
this product.
Thank you for your purchase.
SAVE THIS MANUAL FOR FUTURE REFERENCE
CA Compliant
Charger Included
(Model No.
CHL82000)
BATTERY MUST BE CHARGED
BEFORE FIRST USE. TWO TO
THREE INITIAL CHARGING/
DISCHARGING CYCLES MAY BE
REQUIRED TO ACHIEVE MAXIMUM
RUN TIME/CAPACITY.
DO NOT RETURN THIS PRODUCT TO THE STORE. OPERATING,
ASSEMBLY, PARTS, SERVICE QUESTIONS? GO TO
WWW.AMERICANLAWNMOWER.COM, OR CALL 1-800-633-1501
BETWEEN 8:00AM-5:00PM EST FOR ASSISTANCE.
800951

Table of Contents

Questions and Answers

  • J
    Jackson ToddAug 5, 2025
    How to troubleshoot EarthWise 2120-16 Lawn Mower that won't start?
    • K
      katherinebrooksAug 6, 2025
      If your EarthWise Lawn Mower doesn't start, there are several potential reasons. First, ensure the safety key is fully inserted. Next, check if the battery pack is depleted and needs charging, or if it's not properly attached to the mower. Also, the battery or mower circuitry might be too hot, requiring a cool-down period. Finally, a clogged mower deck can prevent starting, so clean it to ensure the blade moves freely.
  • D
    Dr. Timothy KingAug 11, 2025
    What to do if my EarthWise 2120-16 Lawn Mower stops while mowing?
    • M
      Melissa WaltersAug 12, 2025
      If your EarthWise Lawn Mower stops while you're mowing, it could be due to a few reasons. The battery pack might be depleted and needs charging. Alternatively, the mower may be in an overload condition, so try raising the cutting height or slowing down your mowing speed. A clogged mower deck can also cause it to stop, so clear any grass and debris. Lastly, the battery or mower circuitry may be overheating; allow it to cool down.
  • J
    James PerryAug 17, 2025
    Why is my EarthWise 2120-16 Lawn Mower cutting unevenly?
    • C
      Crystal GarciaAug 17, 2025
      Uneven cuts from your EarthWise Lawn Mower can typically be attributed to two main issues. The blade may be dull, requiring sharpening or replacement. Alternatively, the cutting height might not be set correctly, so raise the blade to a higher setting.
  • S
    Shaun BarrettAug 23, 2025
    How to fix excessive vibration in EarthWise 2120-16?
    • A
      Abigail TranAug 23, 2025
      Excessive vibration in your EarthWise Lawn Mower can be caused by a few things. First, check if the cutting blade is loose and tighten the blade bolt. If that's not the issue, the cutting blade might be bent and needs replacement. There is also a possibility of a bent reel shaft.
  • D
    Dale WilliamsonAug 29, 2025
    What to do if the handle is not in position on my EarthWise Lawn Mower?
    • A
      Austin FarrellAug 29, 2025
      If the handle of your EarthWise Lawn Mower is not staying in position, make sure the handle knobs are tightened properly.

Summary

Introduction to the Earthwise Reel Mower

Important Safety Instructions

Intended Use and General Safety Rules

Defines product use and general safety precautions.

Training, Preparation, and Battery Care

Covers user training, preparation, and battery usage safety.

Reel Mower Operation Safety

Provides specific safety advice for operating the reel mower.

Operational Safety and Hazards

Slope and Obstacle Safety

Safe practices for mowing on slopes and around obstacles.

Battery Safety and Risk Reduction

Additional battery warnings and measures to reduce risks.

Product Symbols and Signal Words

Symbol Designations

Explains various symbols used on the product and their meanings.

Signal Word Definitions

Defines the meaning of signal words like DANGER, WARNING, CAUTION.

Product Features and Specifications

Product Specifications

Lists technical specifications like voltage, cutting width, and weight.

Mower Components Overview

Identifies and labels the main parts of the mower.

Assembly Instructions

Unpacking and Parts Check

Procedures for unpacking and verifying all parts are present and undamaged.

Handle Assembly

Step-by-step guide for installing the lower and center handles.

Upper Handle and Power Cord Assembly

Details on installing the upper handle and connecting the power cord.

Grass Catcher Assembly

Step-by-step instructions for assembling the grass catcher.

Cutting Height Adjustment

Guide on how to adjust the mower's cutting height.

Battery Pack Installation and Removal

Procedures for installing and removing the battery pack.

Operation Guide

Battery and Switch Key Usage

Guidelines for proper battery insertion and switch key operation.

Starting and Stopping the Mower

Instructions on how to start and stop the reel mower.

Mowing Tips and Techniques

Advice for effective mowing, including grass length and speed.

Slope Operation Precautions

Safety measures for operating the mower on inclines.

Emptying the Grass Catcher

Steps for safely removing and emptying grass clippings.

LED Indicators and Battery Status

LED Lights on Motor Cover

Explanation of green and red LED lights for battery and fault status.

Battery Charge Level Indicators

Details on interpreting green LEDs for battery capacity.

Fault Status Indicators

Information on fault conditions indicated by red LEDs.

Charging the Battery Pack

Charging Procedures and Precautions

Instructions for charging the battery pack with the provided charger.

Battery Storage and Maintenance

Guidelines for storing the battery and maintaining its charge.

Battery Disposal and Recycling

Information on proper disposal and recycling of lithium-ion batteries.

Maintenance Procedures

General Maintenance and Cleaning

Tips for general cleaning and maintenance of the mower.

Lubrication Requirements

Details on lubricating specific mower parts.

Adjusting the Cutting Blade

Instructions for adjusting the cutting bar blade for optimal performance.

Blade Maintenance and Storage

Checking and Adjusting Blade Alignment

Procedure for checking and adjusting blade alignment using paper.

Blade Sharpening Procedure

Steps for sharpening the reel mower blades.

Battery Maintenance and Storage

Recommendations for battery charging and mower storage.

Troubleshooting Common Problems

Mower Fails to Start

Identifies causes and solutions for the mower not starting.

Uneven Cutting and Mower Stops

Diagnoses issues with uneven cutting and sudden stops.

Excessive Vibration and Handle Issues

Addresses problems related to excessive vibration and loose handles.

Parts and Service Information

Repair Parts and Kits

Lists available repair parts and their item numbers.

Contacting Customer Support

Provides contact information for operating or maintenance questions.

Warranty Policy Details

Two-Year Limited Warranty

Outlines the terms and conditions of the limited warranty.

Warranty Exclusions and Limitations

Details what is not covered by the warranty.

Proof of Purchase Requirement

Specifies the need for a dated sales receipt for warranty claims.

EarthWise 2120-16 Specifications

General IconGeneral
Power SourceCorded Electric
Engine Power12 Amp
Deck MaterialPolypropylene
Cutting Height1.5 to 4 inches
Engine TypeElectric Motor

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