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Craftsman 875.168820 User Manual

Craftsman 875.168820
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@
Owner's lVlanuai
Model No. 875.168820
1/2 in. impact Wrench
Unpacking
When unpacking this product, carefully
inspect for any damage that may have
occurred during transit. Make sure any
loose fittings, bolts, etc. are tightened
before putting this product into service.
WARNING: Please read and save these safety and operating instructions. Read carefully
before attempting to assemble, install, operate or maintain the product described.
Protect yourself and others by observing all safety information. Failure to comply with
instructions could result in personal injury and/or property damager. Retain instructions
for future reference.
Sears, Roebuck and Co., Hoffman Estates, IL 60179
www.CRAFTSMAN.com
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Craftsman 875.168820 Specifications

General IconGeneral
BrandCraftsman
Model875.168820
CategoryImpact Driver
LanguageEnglish

Summary

Product Features and Specifications

Features and Benefits

Details the ideal applications and advantages of the 1/2" Square Drive Impact Wrench.

Technical Specifications

Lists key operational parameters including drive size, speed, torque, weight, and air requirements.

Minimum Compressor Requirements

Outlines recommended compressor tank sizes for light, typical, and heavy use scenarios.

Warranty Information

Important Safety Instructions

General Safety Guidelines

Covers essential safety practices including reading instructions, eye protection, and hearing protection.

Maximum Air Pressure Warning

Specifies the 90 PSI maximum and the risks of exceeding it, including injury and tool failure.

Detailed Safety Precautions

Clothing, Jewelry, and Hair Safety

Warns against loose attire, jewelry, and unsecured hair becoming caught in moving parts.

Tool Handling and Operation

Provides guidance on safe trigger use, attachment security, air line protection, and tool pointing.

Hose, Accessory, and Material Safety

Emphasizes using proper accessories, checking hoses, avoiding PVC pipes, and chemical hazards.

Impact Wrench Specific Safety

Highlights warnings related to tool maintenance, lubrication discharge, and using impact-rated sockets.

Air Tool Hook Up and Operation

Air Tool Hook Up Diagram

Illustrates the recommended connection of air hoses, lubricator, regulator, and filter to the compressor.

Pre-Operation Installation Checks

Advises clearing air hoses and selecting appropriate hose sizes and fittings for optimal performance.

Small Shop Piping Recommendations

Provides tips for installing hard piping in home shops, including sloping, drainage, and material choice.

Tool Operation Guide

Explains how to adjust the power regulator, use forward/reverse settings, and avoid prolonged impacting.

Maintenance and Lubrication

Lubrication Recommendations

Stresses the importance of in-line lubricators and proper air tool oil for tool life and operation.

Impact Mechanism Lubrication

Details the procedure for lubricating the impact mechanism and front bearing annually or as needed.

Exploded View and Parts List

Provides a detailed diagram and a list of all parts with their corresponding reference numbers.

Troubleshooting Guide

Tool Not Operating or Slow

Addresses issues like grit, lack of oil, low air pressure, hose leaks, and pressure drops.

Impact Issues

Diagnoses problems such as slow impacts, rapid impacts without bolt removal, or no impact.

Moisture in Air System

Explains how to handle water in the tank or lines and recommends installing a water separator filter.

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