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DR PRO-21 - User Manual

DR PRO-21
24 pages
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Read and understand this manual and all instructions before operating the DR PRO-21 Battery Lawn Mower.
DR
®
PRO-21 BATTERY LAWN MOWER
SAFETY & OPERATING INSTRUCTIONS
Serial No.
Order No.
DR Power Equipment
Toll-free phone: 1-800-DR-OWNER (376-9637)
Fax: 1-802-877-1213
Website: www.DRpower.com

Table of Contents

Questions and Answers

  • S
    Shawn CookAug 7, 2025
    What to do if my DR Lawn Mower motor fails to start?
    • A
      amyrichmondAug 8, 2025
      If the motor of your DR Lawn Mower fails to start, even with the Safety Key and Battery installed, and the Wire Trigger depressed, consider the following: * Check to make sure that you properly inserted the Safety Key. * Ensure that you installed the Battery correctly and that the Battery is fully charged. All four LEDs of the Battery Test Button should light up when pressed. If not, replace with a fully charged Battery or recharge the Battery. * Make sure you follow the correct starting sequence of pushing the Safety Lock Button in first and then pulling the Wire Trigger to the Handlebar. * Possibly the Blade is obstructed. Remove the Safety Key and Battery, turn the Mower over, and check the Blade to make sure the Blade spins freely and is unobstructed.
  • M
    Ms. Jaime WilsonAug 12, 2025
    What to do if my DR PRO-21 Lawn Mower stops while mowing?
    • T
      Taylor MannAug 12, 2025
      If your DR Lawn Mower stops while mowing (and you haven't released the Blade Engage Wire Trigger), it could be due to several reasons: * The battery power may be depleted. Try recharging the battery or installing a fully charged one. * The blade, mower deck, or side discharge chute might be clogged with debris. Remove the safety key and battery, turn the mower over, and clean if necessary. * If the mower bogs down or stalls in heavy grass, raise the cutting height, walk more slowly, or cut a narrower swath. If the grass is wet, let it dry before mowing.
  • A
    Amanda JohnsAug 15, 2025
    Why does my DR PRO-21 Lawn Mower battery lose its charge quickly?
    • P
      Pamela DelgadoAug 16, 2025
      If your DR Lawn Mower battery loses its charge quickly, it could be due to the following reasons: * The battery pack was probably not at full charge prior to trimming. Charge the battery pack, if necessary. * The battery pack may be getting old. After some time, you will need to replace the battery pack.
  • K
    Katherine GonzalesAug 20, 2025
    How to troubleshoot excessive vibration or noise in my DR PRO-21?
    • A
      Amanda MathisAug 20, 2025
      If you notice excessive vibration or noise in your DR Lawn Mower, consider these potential solutions: * The blade may be loose. Remove the safety key and the battery; turn the mower over and check that the blade is securely attached. * The blade may be unbalanced, bent, or damaged. Remove the safety key and battery, turn the mower over, remove the blade, and check its condition. Replace with a new blade if necessary.
  • P
    Pamela BarnesAug 25, 2025
    Why is my DR PRO-21 running slow?
    • B
      barbara19Aug 25, 2025
      If your DR Lawn Mower is running slow, consider the following: * The Battery Pack was probably not at full charge prior to cutting. Charge the Battery Pack, if necessary. * Check the Blade for sharpness or damage. Sharpen or replace as needed. * The Grass is too tall for the mower. Set the cut height higher if the grass is of reasonable height for the Battery Mower or mow first with a DR Brush Mower.
  • S
    Stephen LopezAug 28, 2025
    What to do if my DR Lawn Mower battery pack will not charge?
    • T
      Taylor MolinaAug 28, 2025
      If the battery pack of your DR Lawn Mower will not charge, here are a few things you can check: * Ensure the Battery Pack is fully inserted into the Charger until the Green LED Light illuminates. * Verify the Charger Power Cord is plugged into a working outlet by testing the outlet with a lamp or other appliance. * Check if the outlet used for the Charger Power Supply is controlled by a wall switch. * Make sure the surrounding air temperature is between 50ºF (10ºC) and +100ºF (+37.8ºC). If it's too hot or cold, move the Charger and Battery Pack to a more suitable location.
  • M
    Michelle MartinSep 2, 2025
    Why doesn’t my DR Lawn Mower motor have much power when I use the mower for the first time?
    • T
      Thomas CalhounSep 2, 2025
      If your DR Lawn Mower motor doesn’t have much power when you use the mower for the first time, you will initially need to charge the Battery Pack before use. The Battery Pack may need to be cycled through a Charge and Discharge 2-3 times to achieve full charge potential.

DR PRO-21 Specifications

General IconGeneral
Cutting Width21 inches
Cutting Height1.5 - 4 inches
Weight98 lbs
Mulching CapabilityYes
Self-propelledYes
Deck MaterialSteel
Drive SystemRear-wheel drive
Wheel Size8 inches (front), 9 inches (rear)

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