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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.
21a
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Summary of Contents for HAUL MASTER 631
- 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.
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Page 2: Table Of Contents
Indicates a hazardous situation which, if not avoided, could result in death or serious injury. Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. Addresses practices not related to personal injury. Page 2 For technical questions, please call 1-888-866-5797. Item 631... -
Page 3: Safety
Do not use for aircraft purposes. 2. This product is not a toy. Do not allow children to play with or near this item. SAVE THESE INSTRUCTIONS. Item 631 For technical questions, please call 1-888-866-5797. Page 3... -
Page 4: Specifications
Specifications Rated Capacity 4,000 lb. Maximum Extension 10′ Page 4 For technical questions, please call 1-888-866-5797. Item 631... -
Page 5: Installation
Do not allow the hook hitch to support any part of the load. Do not apply the load to the point of the hook (shown in Figure A on the right side diagram). Item 631 For technical questions, please call 1-888-866-5797. Page 5... -
Page 6: Operation
4. Only a qualified technician should perform maintenance to the hoist. 10. Inspect the hoist as explained in Frequent Inspection on page 8 after installation but before use. Page 6 For technical questions, please call 1-888-866-5797. Item 631... - Page 7 Chain Chain Pull Pull down down this this side to side to lower raise load load Load Hook Figure C: To Lower the Load Figure B: To Raise the Load Item 631 For technical questions, please call 1-888-866-5797. Page 7...
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Page 8: Inspection
WARNING! TO PREVENT SERIOUS INJURY smoothly into and away from the sprockets. FROM HOIST FAILURE: Do not use damaged equipment. If any defect or damage is noted, have the problem corrected before further use. Page 8 For technical questions, please call 1-888-866-5797. Item 631... - Page 9 Apply grease to inner surfaces of load chain, identical replacement parts with the same rating. where the links rub against each other. Item 631 For technical questions, please call 1-888-866-5797. Page 9...
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Page 10: 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 792363006316 when ordering parts. Page 10 For technical questions, please call 1-888-866-5797. Item 631... - Page 11 Item 631 For technical questions, please call 1-888-866-5797. Page 11...
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Page 12: 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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