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WARRIOR 58089 Owner's Manual & Safety Instructions
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WARRIOR 58089 Owner's Manual & Safety Instructions

4-1/2" angle grinder
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Owner's Manual & Safety Instructions
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operating, inspection, maintenance and cleaning procedures. Write the product's serial number in the
back of the manual near the assembly diagram (or month and year of purchase if product has no number).
Keep this manual and the receipt in a safe and dry place for future reference.
Email our technical support at: productsupport@harborfreight.com
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.
©
Copyright
2021 by Harbor Freight Tools
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.
Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein.
Tools required for assembly and service may not be included.
Keep this manual for the safety warnings and precautions, assembly,
Visit our website at: http://www.harborfreight.com
®
. All rights reserved.
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
21h
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Questions and answers

Mike White
March 12, 2025

the switch, is there something inside the grinder that is supposed to touch to turn the grinder on. on my grinder the switch is hard to move. when I took it apart, something fell out and I can't find it.

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1 comments:
Mr. Anderson
March 12, 2025

Yes, inside the WARRIOR 58089 grinder, there is a flat plastic bar that runs through the switch mechanism. When you push or pull on the switch, this bar moves to complete the circuit. If something fell out when you disassembled it, check if this plastic bar or any small internal switch components are missing or misaligned. Reassemble the switch carefully, ensuring all parts are in their correct positions. If the switch still does not function properly, consider using a foot switch temporarily or fully disassembling it again to identify the issue.

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Summary of Contents for WARRIOR 58089

  • Page 1 Owner’s Manual & Safety Instructions Save This Manual Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and the receipt in a safe and dry place for future reference.

  • Page 2: Table Of Contents

    Distractions can cause you to lose control. 2. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools Page 2 Item 58089 For technical questions, please call 1-888-866-5797.

  • Page 3: Safety

    4. Remove any adjusting key or wrench before turning the power tool on. Item 58089 Page 3 For technical questions, please call 1-888-866-5797.
  • Page 4 Use of the intended could result in a hazardous situation. Service Have your power tool serviced by a qualified repair person using only identical replacement parts. Page 4 Item 58089 For technical questions, please call 1-888-866-5797.
  • Page 5 15. Do not operate the power tool near flammable materials. 16. Do not use accessories that require liquid coolants. Using water or other liquid coolants may result in electrocution or shock. Item 58089 Page 5 For technical questions, please call 1-888-866-5797.
  • Page 6 22. This product is not a toy. Keep it out of reach of children. Page 6 Item 58089 For technical questions, please call 1-888-866-5797.
  • Page 7 Grinding wheels are to these wheels may cause them to shatter. Safety Warnings Specific for Sanding Operations Do not use excessively oversized sanding disc paper. Follow manufacturer’s recommendations when selecting sanding paper. Item 58089 Page 7 For technical questions, please call 1-888-866-5797.
  • Page 8 (such as explained in this manual. If any abnormal tingling, numbness, and white or blue fingers), vibration occurs, stop use immediately. seek medical advice as soon as possible. SAVE THESE INSTRUCTIONS. Page 8 Item 58089 For technical questions, please call 1-888-866-5797.
  • Page 9 National Electrical Code. 2. Double insulated tools may be used in either of the 120 volt outlets shown in the preceding illustration. (See Outlets for 2-Prong Plug.) Outlets for 2-Prong Plug Item 58089 Page 9 For technical questions, please call 1-888-866-5797.
  • Page 10 8. Protect the extension cords from sharp objects, excessive heat, and damp or wet areas. Page 10 Item 58089 For technical questions, please call 1-888-866-5797.
  • Page 11 Properly connect power cord to appropriate outlet. WARNING marking concerning Risk of Respiratory Injury. Wear NIOSH- approved breathing protection rated for the hazards in your work area. Item 58089 Page 11 For technical questions, please call 1-888-866-5797.

  • Page 12: Specifications

    2. Screw the threaded end of the in one of two positions, on either Auxiliary Handle into the selected position. side of the Gear Housing. Tighten securely before beginning work. Page 12 Item 58089 For technical questions, please call 1-888-866-5797.
  • Page 13 Functions Auxiliary Spindle Switch Handle Lock Power Cord Wheel Guard Bolt Wheel Guard Item 58089 Page 13 For technical questions, please call 1-888-866-5797.
  • Page 14 4. Thread disc accessory firmly onto the Spindle. • a sanding disc and backing pad, Wrench tighten onto the Spindle. a sanding flap disc, a wire wheel or a wire cup brush (accessories not included). Page 14 Item 58089 For technical questions, please call 1-888-866-5797.
  • Page 15 5. Apply the wheel to the work material at a 10°–15° store the tool indoors out of children’s reach. angle, allowing the tool to operate at full speed. If the tool bogs down, use lighter pressure. Item 58089 Page 15 For technical questions, please call 1-888-866-5797.

  • Page 16: Maintenance

    Do not use wheels drawers. Storage area must be kept dry, and above that have been dropped or bumped. freezing. Any grinding wheels exposed to humidity or freezing temperatures must not be used. Page 16 Item 58089 For technical questions, please call 1-888-866-5797.
  • Page 17 Use only proper type of disc accessory in good condition. Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power supply before service. Item 58089 Page 17 For technical questions, please call 1-888-866-5797.

  • Page 18: Parts List And Diagram

    Note: If product has no serial number, record month and year of purchase instead. Note: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts. Specify UPC 193175446664 when ordering parts. Page 18 Item 58089 For technical questions, please call 1-888-866-5797.
  • Page 19 Assembly Diagram Item 58089 Page 19 For technical questions, please call 1-888-866-5797.

  • Page 20: 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.
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