Hercules HC109B Owner's Manual & Safety Instructions
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Hercules HC109B Owner's Manual & Safety Instructions

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Owner's Manual &
Safety Instructions
21j
Model
HC109B
Battery and Charger Sold Separately
20V Lithium-Ion Drywall Cut-Out Tool
WARNING: To prevent serious injury, User must read and
understand Owner's Manual. SAVE THIS MANUAL.
When unpacking, make sure that the product is intact and undamaged.
If any parts are missing or broken, please call 1-888-866-5797
as soon as possible. Reference 193175446145.

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Summary of Contents for Hercules HC109B

  • Page 1 Owner’s Manual & Safety Instructions Model HC109B Battery and Charger Sold Separately 20V Lithium-Ion Drywall Cut-Out Tool WARNING: To prevent serious injury, User must read and understand Owner’s Manual. SAVE THIS MANUAL. When unpacking, make sure that the product is intact and undamaged.

  • Page 2: Important Safety Information

    IMPORTANT SAFETY INFORMATION General Power Tool Safety Warnings b. Use personal protective equipment. Always wear eye protection. Protective equipment such as dust mask, non-skid safety shoes, hard Read all safety warnings, instructions, illustrations hat, or hearing protection used for appropriate and specifications provided with this power tool.
  • Page 3 o. People with pacemakers should consult their b. Maintain labels and nameplates on the tool. physician(s) before use. Electromagnetic fields in These carry important safety information. close proximity to heart pacemaker could cause If unreadable or missing, contact pacemaker interference or pacemaker failure. Harbor Freight Tools for a replacement.
  • Page 4 Grip tool as lightly as possible (while still keeping the Charger and Battery Pack while charging. safe control of it). Let the tool do the work. m. Charge Battery Pack using Hercules 20V g. To reduce vibration, maintain the tool as Lithium Battery Charger only (sold separately).

  • Page 5: Extension Cords

    Eye Injury. Wear ANSI-approved safety goggles with side shields. SPECIFICATIONS Read the manual before set-up and/or use. Hercules 20V Li-Ion: Battery Type 57373, 57306 WARNING marking (sold separately) concerning Risk of Fire. Do not cover Charger...

  • Page 6: Set Up - Before Use

    SET UP - BEFORE USE Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text undersubheadings therein before set up or useof this product. Charging Charge battery pack before using this tool. Follow instructions included with battery charger.

  • Page 7: Tool Set Up

    OPERATING INSTRUCTIONS Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use. Installing the Cutting Bit Tool Set Up WARNING! TO PREVENT SERIOUS INJURY: Carefully inspect cutting bits for cracks, chips, or other damage before installing.

  • Page 8: Workpiece Set Up

    (not included) to prevent movement while working. 2. Make sure that the Power Switch is in the 2. Refer to maximum cutting thickness in Off-position, then attach a 20V Hercules the Specifications Table on page 5 Battery Pack (sold separately).

  • Page 9: Maintenance And Servicing

    Cleaning, Maintenance, MAINTENANCE AND SERVICING and Lubrication Procedures not specifically explained 1. BEFORE EACH USE, inspect the general in this manual must be performed condition of the tool. Check for: only by a qualified technician. • leaking, swollen, or cracked battery pack •...

  • Page 10: Troubleshooting

    Troubleshooting Problem Possible Causes Likely Solutions Tool will 1. Battery Pack not properly 1. Remove Battery Pack, make sure there are not start. connected. no obstructions, clean battery contacts on tool, reinsert the Battery Pack and press firmly until the Battery Pack locks in place. 2.

  • Page 11: Limited 90-Day Warranty

    LIMITED 90 DAY WARRANTY Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase.
  • Page 12 Visit our website at: http://www.harborfreight.com Email our technical support at: productsupport@harborfreight.com For technical questions, please call 1-888-866-5797 © ® Copyright 2021 by Harbor Freight Tools . All rights reserved. No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools.

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