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Harbor Freight Tools 32871 manual

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Table of contents for the manual

  • Page 1

    Page 1 SKU 32871 For technical questions, please call 1-800-444-3353. 3/4" HEA V Y DUT Y AIR IMP ACT WRENCH ASSEMBL Y and OPERA TING INSTRUCTIONS 3491 Mission Oaks Blvd. / Camarillo, CA 9301 1 Copyright © 1997 by Harbor Freight T ools. All rights reserved. No portion of this manual or any artwork contained herein may be reproduced in any shap[...]

  • Page 2

    Page 2 SKU 32871 For technical questions, please call 1-800-444-3353. SPECIFICA TIONS Free S peed 4500 RPM Air Inlet ¼” N PT PSI 90 CFM 7 T orque *500 maximum ft-lbs. SA VE THIS MANUAL Y ou will need the manual for the safety warnings and cautions, assembly instructions, operating procedures, maintenance procedures, trouble shooting, parts list,[...]

  • Page 3

    Page 3 SKU 32871 For technical questions, please call 1-800-444-3353. Wear a full face shield if you are producing met al filings or wood chip s. Wear an ANSI approved dust mask or respirator when working around metal, wood, and chemical dusts and mists. 9. DO NOT ABUSE THE POWER CORD. Do not yank compressor ’s cord to disconnect it from the rece[...]

  • Page 4

    Page 4 SKU 32871 For technical questions, please call 1-800-444-3353. UNP ACKING Y our Impact Wrench comes completely assembled. If any part s are missing or broken, please call Harbor Freight T ools at the number on the cover of this manual. GENERAL This Impact Wrench develops a maximum of 535 ft/lbs. of torque. The amount of torque can be increas[...]

  • Page 5

    Page 5 SKU 32871 For technical questions, please call 1-800-444-3353. OPERA TION Setup Frequent, but not excessive, lubrication is required for best performance. Oil added through the airline connection will lubricate internal parts. An automatic airline oiler is recommended but oil may be added manually before every operation or after about 1 hour[...]

  • Page 6

    Page 6 SKU 32871 For technical questions, please call 1-800-444-3353. Use S tep 1: Set the compressor ’s pressure regulator to a maximum of 90 PSI. 90 PSI is satisfactory without harming this tool. S tep 2: Y ou will need to purchase a union fitting (sold separately) before you can connect the Impact W rench to your air compressor . Y ou may also[...]

  • Page 7

    Page 7 SKU 32871 For technical questions, please call 1-800-444-3353. S tep 5: Select the power setting for Loosening by adjusting the AIR REGULA TOR (#46) located on the bottom of the Impact Wrench as shown in Figure 3. When the Air Regulator is completely screwed in it is at it’s lowest setting. Air pressure increases as you loosen the Air Regu[...]

  • Page 8

    Page 8 SKU 32871 For technical questions, please call 1-800-444-3353. S tep 7: Press the TRIGGER (#38) to test the Impact Wrench. The Impact Wrench should spin freely as shown if Figure 5 T rigger (# 38) R R Figure 5 — Pressing Trigger Loosening S tep 1: V erify that the power level is correct for your needs and that the REVERSE V AL VE (#48) has[...]

  • Page 9

    Page 9 SKU 32871 For technical questions, please call 1-800-444-3353. Tightening S tep 1: V erify that the power level is correct for your needs and that the REVERSE V AL VE (#48) has been shifted (pressed) completely to the left. If not, refer to S teps 5 through 9 under Use before proceeding. S tep 2: Place your work in as clear a location as pos[...]

  • Page 10

    Page 10 SKU 32871 For technical questions, please call 1-800-444-3353. Item# Description Parts# Item # Description Parts# 1 Housing HY161-01 25 S pring W asher HY160-36 2 Set Screw HY160-45 26 Cylinder Screw HY161-19 3 Anvil Bushing HY161-02 27 S pring W asher HY161-25 4 W asher HY161-03 28 Cap Screw HY161-26 5 Anvil Collar HY161-04 29 Rubber HY161[...]

  • Page 11

    Page 11 SKU 32871 For technical questions, please call 1-800-444-3353. ASSEMBL Y DIAGRAM[...]