Chicago Electric 97743 operating instructions General Operating Instructions

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4.To remove the Drill Bit, pull back on the Spring (41) and pull out the Bit. For optimal performance, always keep Drill Bits and Chisels sharp. NOTE: When drilling a hole larger than 1-1/4” diameter, always use a

Drill Bit with four cutting edges.

(See Figure A.)

General Operating Instructions

1.Before plugging in the Power Cord

(112), insert the desired Bit. Adjust the Auxiliary Handle (107) and Depth Gauge (106) to the desired positions.

Then adjust the Switching Knob

(24)and Selector (91) to the desired positions. (See Figure A.)

2.Make sure the Power Switch (96) is in its “OFF” position. Then plug the Power Cord (112) into the nearest

110 volt, grounded, electrical outlet.

(See Figure A.)

3.When ready to use the Rotary Hammer, squeeze the Power Switch

(96)and allow the tool to run without load for about one minute. This allows the tool’s parts to become properly lubricated. Check to see if the running tool sounds normal. Once the tool has been warmed up, it is ready for use. (See Figure A.)

4.When finished using the Rotary

Hammer, release the Power Switch

(96).Wait until the tool comes to a complete stop. Then unplug the tool from its electrical outlet. (See Figure

A.)

5.Make sure the Drill Bit is completely cooled. Then remove the Bit from the tool.

6.Store the Rotary Hammer in its Carrying Case (105) and keep the Case in a clean, dry, safe location out of children’s reach.

SKU 97743

For technical questions, please call 1-800-444-3353.

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Contents For technical questions or replacement parts, please call Distributed exclusively by Harbor Freight ToolsImportant Safety Information General Power Tool SafetySave This Manual For technical questions, please callOutlets will reduce risk of electric shock Percussion and Rotary Hammer Safety Warnings For technical questions, please call Vibration Safety GroundingGrounded Tools Tools with Three Prong Plugs Prong Plug and OutletDouble Insulated Tools Tools With Two Prong Plugs Extension CordsPlug and Outlet Outlets for 2-Prong PlugSpecifications SymbologyUnpacking 25’ 50’ 75’Set up Instructions Product FeaturesTool Set Up Adjusting The Auxiliary HandleSee Figure a Using The Depth Gauge Changing The SettingsWorkpiece and Work Area Set Up Operating InstructionsInserting and Removing Drill Bits SKU For technical questions, please callGeneral Operating Instructions Maintenance Servicing Troubleshooting Problem Possible Causes Probable SolutionsParts List Description QtyPlease Read the Following Carefully Assembly Diagram Limited 90 DAY Warranty Record Product’s Serial Number Here