Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury. SAVE THESE INSTRUCTIONS WORK AREA Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents. REV 07e SKU 94944 PAGE 2...
Stay alert. Watch what you are doing, and use common sense when operating a power tool. Do not use a power tool while tired or under the influence of drugs, alcohol, or medication. A moment of inattention while operating power tools may result in serious personal injury. SKU 94944 PAGE 3...
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Many accidents are caused by poorly maintained tools. Use only accessories that are recommended by the manufacturer for your model. Accessories that may be suitable for one tool may become hazardous when used on another tool. SKU 94944 PAGE 4...
Your tool must be plugged into an appropriate outlet, properly installed and grounded in accordance with all codes and ordinances. The plug and outlet should look like those in the following illustration. (See Figure A page 6.) SKU 94944 PAGE 5...
Underwriters Laboratories, Inc., the Canadian Standard Association, and the National Electrical Code. (See Figure B.) Double insulated tools may be used in either of the 120 volt outlets shown in the following illustration. (See Figure B.) FIGURE B SKU 94944 PAGE 6...
3.5 - 5.0 5.1 - 7.0 7.1 - 12.0 12.1 - 16.0 16.1 - 20.0 FIGURE C * Based on limiting the line voltage drop to five volts at 150% of the rated amperes. SKU 94944 PAGE 7 FIGURE C...
Minute (RPM) SPECIFIC SAFETY RULES Maintain labels and nameplates on the Rotary Hammer. These carry important information. If unreadable or missing, contact Harbor Freight Tools for a replacement. Industrial applications must follow OSHA requirements. Check for damaged parts. Before using this product, carefully check that it will operate properly and perform its intended function.
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.
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There are two places on the Rotary Hammer that will accept the Side Handle (74) shown below. To attach the Side Handle (74), thread it into the housing by twisting it in a clockwise rotation until it stops turning. Side Handle (74) SKU 94944 PAGE 10...
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How to turn on the Rotary Hammer To turn on the Rotary Hammer squeeze the Switch (107) shown below in Figure 3. There is a latch on the upper part of the switch that locks the switch on. Switch (107) Figure 3 SKU 94944 PAGE 11...
If the Rotary Hammer jumps off of the line or section, release the Switch (107) and reposition the Rotary Hammer. When you are finished, release the Switch (107) and unplug the Rotary Hammer. SKU 94944 PAGE 12...
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The Masonry Drill (118) speed is adjusted by turning the Speed Control Knob (100) See Figure 4. The higher the number the faster the Masonry Bit (118) will spin. The Rotary Hammer will automatically rotate and hammer once you attach the Masonry Bit (118). Speed Control Knob (100) Figure 4 SKU 94944 PAGE 13...
Brush House (104). After both Carbon Brushes (105) are inserted, attach the Carbon Brush connector, the Left Tail Cover (96) and the Right Tail Cover (91). See Figure 5 below. Left Tail Cover Left LED Light Figure 5 SKU 94944 PAGE 14...
Excessive use Allow tool to cool down Gears need grease Add grease to the gears NOTE: Other than changing or cleaning the carbon brushes, all other internal repairs should be done by a qualified service technician. SKU 94944 PAGE 15...
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 ninety days from the date of purchase. This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, or to lack of maintenance.