Harbor Freight Tools 94944 operating instructions Vibration Hazard, Unpacking

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6.WARNING! People with pacemakers should consult their physician(s) before using this product. Electromagnetic fields in close proximity to a heart pacemaker could cause interference to or failure of the pacemaker.

UNPACKING

When unpacking, check to make sure all parts shown on the Parts Lists and Assembly Diagrams on pages 15-17 are included. If any parts are missing or broken, please call Harbor Freight Tools at the number shown on the cover of this manual as soon as possible.

Vibration Hazard

This tool vibrates during use. Repeated or long-term exposure to vibration may cause temporary or permanent physical injury, particularly to the hands, arms and shoulders. To reduce the risk of vibration-related injury:

1.Anyone using vibrating tools regularly or for an extended period should first be examined by a doctor and then have regular medical check-ups to ensure medical problems are not being caused or worsened from use. Pregnant women or people who have impaired blood circulation to the hand, past hand injuries, nervous system disorders, diabetes, or Raynaud’s Disease should not use this tool. If you feel any medical or physical symptoms related to vibration (such as tingling, numbness, and white or blue fingers), seek medical advice as soon as possible.

2.Do not smoke during use. Nicotine reduces the blood supply to the hands and fingers, increasing the risk of vibration-related injury.

3.Wear suitable gloves to reduce the vibration effects on the user.

4.Use tools with the lowest vibration when there is a choice between different processes.

5.Include vibration-free periods each day of work.

6.Grip tool as lightly as possible (while still keeping safe control of it). Let the tool do the work.

7.To reduce vibration, maintain the tool as explained in this manual. If any abnormal vibration occurs, stop use immediately.

REV 07j

SKU 94944

PAGE

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Contents Rotary Hammer General Safety Rules Product SpecificationsSave this Manual Work AreaPersonal Safety Electrical SafetyTool USE and Care Service GroundingGrounded Tools Tools with Three Prong Plugs Figure a Double Insulated Tools Tools with TWO Prong Plugs Extension Cords See Figure CSee Figure C, and Figure D Symbology Specific Safety RulesIndustrial applications must follow Osha requirements Unpacking Vibration HazardAssembly Instructions How to attach the chisels How to turn on the Rotary HammerOperating Instructions Chipping in a straight line Important Read before useUsing the Rotary Hammer as a hammer drill How to adjust the Masonry Drill 118 speedBreaking up concrete INSPECTION, MAINTENANCE, and Cleaning Troubleshooting How to add grease to the gearsProblem Cause Action Part Description Qty Parts ListSpeed Control Knob Assembly Diagram SKU