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Harbor Freight Tools CHIEF 64278 Owner's Manual & Safety Instructions

Professional 4 extended cut off tool
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Owner's Manual & Safety Instructions
Owner's Manual & Safety Instructions
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operating, inspection, maintenance and cleaning procedures. Write the product's serial number in the
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).
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.
Keep this manual and the receipt in a safe and dry place for future reference.
When unpacking, make sure that the product is intact
When unpacking, make sure that the product is intact
and undamaged. If any parts are missing or broken,
and undamaged. If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible.
please call 1-888-866-5797 as soon as possible.
©
©
Copyright
Copyright
2018 by Harbor Freight Tools
2018 by Harbor Freight Tools
No portion of this manual or any artwork contained herein may be reproduced in
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.
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
Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein.
improvements, actual product may differ slightly from the product described herein.
Tools required for assembly and service may not be included.
Tools required for assembly and service may not be included.
Keep this manual for the safety warnings and precautions, assembly,
Keep this manual for the safety warnings and precautions, assembly,
Cutting Wheel sold separately.
Visit our website at: http://www.harborfreight.com
Email our technical support at: productsupport@harborfreight.com
®
®
. All rights reserved.
. All rights reserved.
Read this material before using this product.
Read this material before using this product.
Failure to do so can result in serious injury.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
SAVE THIS MANUAL.
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64278

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Summary of Contents for Harbor Freight Tools CHIEF 64278

  • Page 1 Failure to do so can result in serious injury. Failure to do so can result in serious injury. any shape or form without the express written consent of Harbor Freight Tools. any shape or form without the express written consent of Harbor Freight Tools.

  • Page 2: Table Of Contents

    Table of Contents Safety ............2 Maintenance ..........12 Specifications ..........6 Parts List and Diagram ......14 Setup ............7 Warranty ............ 16 Operation ............ 2 WARNING SyMBOLS AND DEFINITIONS This is the safety alert symbol. It is used to alert you to potential personal injury hazards.

  • Page 3: Safety

    3. Keep bystanders, children, and visitors away while operating the tool. Distractions are able to result in the loss of control of the tool. personal Safety 1. Stay alert. Watch what you are doing and Use safety equipment. use common sense when operating the tool. A dust mask, non-skid safety shoes Do not use the tool while tired or under the and a hard hat must be used for the...

  • Page 4: Air Source

    Service 1. Tool service must be performed only 2. When servicing a tool, use only identical by qualified repair personnel. replacement parts. Use only authorized parts. Air Source Never connect to an air source that 2. Never use oxygen, carbon dioxide, combustible is capable of exceeding 200 psi.

  • Page 5: Specific Safety Instructions

    Specific Safety Instructions 1. The warnings and precautions discussed in this 4. Do not depress the spindle lock when manual cannot cover all possible conditions and starting or during operation. situations that may occur. It must be understood 5. Obey the manual for the air compressor by the operator that common sense and caution used to power this tool.

  • Page 6: Specifications

    Functional Description Specifications Maximum Air Pressure 90 PSI Air Inlet 1/4″-18 NPT Rated Speed* 14,000 RPM Average Air Consumption 4 CFM @ 90 PSI Arbor/Chuck Capacity 3/8″ * Rated speed at stated maximum air pressure. Excess air pressure is hazardous and may cause the tool to exceed stated rated speed.

  • Page 7: Setup

    Initial Tool Set Up/Assembly Read the ENTIRE IMpORTANT SAFETy INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product. Note: For additional information regarding the parts listed in the following pages, refer to the Assembly Diagram near the end of this manual.
  • Page 8 Page 8 For technical questions, please call 1-888-866-5797. Item 64278...
  • Page 9 Item 64278 For technical questions, please call 1-888-866-5797. Page 9...

  • Page 10: 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 of this product. Inspect tool before use, looking for damaged, loose, and missing parts. If any problems are found, do not use tool until repaired.

  • Page 11: Workpiece And Work Area Set Up

    Note: The Outer Flange has a step for 6. Thread the Outer Flange onto the Spindle with Hex improved stability with thick accessories. Key. Wrench tighten only enough so that the wheel Keep this step on the inside for thick accessories. is securely held on the spindle.

  • Page 12: Cleaning, Maintenance, And Lubrication

    User-Maintenance Instructions procedures not specifically explained in this manual must be performed only by a qualified technician. TO pREVENT SERIOUS INJURy FROM ACCIDENTAL OpERATION: Turn off the tool, detach the air supply, safely discharge any residual air pressure in the tool, and release the throttle and/or turn the switch to its off position before performing any inspection, maintenance, or cleaning procedures.

  • Page 13: Troubleshooting

    Troubleshooting problem possible Causes Likely Solutions Decreased output. 1. Not enough air pressure and/ 1. Check for loose connections and make sure that or air flow. air supply is providing enough air flow (CFM) at required pressure (PSI) to the tool's air inlet. Do not exceed maximum air pressure.

  • Page 14: Parts List And Diagram

    parts List and Diagram pLEASE READ THE FOLLOWING CAREFULLy THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT.

  • Page 15: Assembly Diagram

    Assembly Diagram Item 64278 For technical questions, please call 1-888-866-5797. Page 15...

  • Page 16: 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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