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Harbor Freight Tools 97870 - page 1
AIR MICRO DIE GRINDER Model 97870 SET UP AND OPERA TING INSTRUCTIONS Diagrams within this manual may not be drawn proportionally . Due to continuing improvements, actual product may differ slightly from the product described herein. Distributed exclusively by Harbor Freight T ools ® . 3491 Mission Oaks Blvd., Camarillo, CA 9301 1 Visit our website ...
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Harbor Freight Tools 97870 - page 2
Page 2 SKU 97870 For technical questions, please call 1-800-444-3353. CONTENTS SAFETY ALERT SYMBOL AND SIGNAL WORDS ............................. 3 IMPORT ANT SAFETY INSTRUCTIONS .......................... 3 GENERAL ........................................... 3 WORK AREA ...................................... 3 PERSONAL SAFETY ..................... ...
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Harbor Freight Tools 97870 - page 3
Page 3 SKU 97870 For technical questions, please call 1-800-444-3353. SA VE THIS MANUAL Keep this manual for the safety warn- ings and precautions, assembly , operat- ing, inspection, maintenance and cleaning procedures. Write the product’ s serial number in the back of the manual near the assembly diagram (or month and year of purchase if produc ...
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Harbor Freight Tools 97870 - page 4
Page 4 SKU 97870 For technical questions, please call 1-800-444-3353. tool. Distractions are able to result in the loss of control of the tool. Personal safety a. Stay alert. Watch what you are do- ing and use common sense when operating the tool. Do not use the tool while tired or under the inu - ence of drugs, alcohol, or medica- tion. A momen ...
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Harbor Freight Tools 97870 - page 5
Page 5 SKU 97870 For technical questions, please call 1-800-444-3353. T ool use and care a. Use clamps or another practical way to secure and support the workpiece to a stable platform. Holding the work by hand or against the body is unstable and is able to lead to loss of control. b. Do not force the tool. Use the correct tool for the application. ...
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Harbor Freight Tools 97870 - page 6
Page 6 SKU 97870 For technical questions, please call 1-800-444-3353. b. Never use oxygen, carbon dioxide, combustible gases or any bottled gas as an air source for the tool. Such gases are capable of explosion and serious injury to persons. SA VE THESE INSTRUCTIONS. SYMBOLS AND SPECIFIC SAFETY INSTRUCTIONS Symbol Denitions Symbol Property or st ...
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Harbor Freight Tools 97870 - page 7
Page 7 SKU 97870 For technical questions, please call 1-800-444-3353. ductive harm). (California Health & Safety code § 25249.5, et seq. ) 2. Only use with accessories rated to handle the forces exerted by this tool during operation. Accessories not designed for the forces gener- ated may break and forcefully launch pieces. 3. Attach all acces ...
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Harbor Freight Tools 97870 - page 8
Page 8 SKU 97870 For technical questions, please call 1-800-444-3353. FUNCTIONAL DESCRIPTION Specications Exhaust Position Frontal Exhaust On/Off Method Built-in Rotary V alve Air Inlet 1/4" -18 NPT (male inlet coupler) Maximum Speed* 25,000 RPM Air Consumption 2 CFM @ 90 PSI Collet Size 1/8" * Maximum speed at stated maximum air press ...
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Harbor Freight Tools 97870 - page 9
Page 9 SKU 97870 For technical questions, please call 1-800-444-3353. ponents, such as a connector and quick coupler , will make operation more efcient, but are not required. W ARNING! TO PREVENT SERIOUS INJUR Y FROM ACCIDENT AL OPERA TION: Do not install a female quick coupler on the tool. Such a coupler contains an air valve that will allow th ...
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Harbor Freight Tools 97870 - page 10
Page 10 SKU 97870 For technical questions, please call 1-800-444-3353. OPERA TING INSTRUCTIONS Read the ENTIRE IMPORT ANT SAFETY INFORMA TION section at the beginning of this manual including all text under subheadings therein before set up or use of this product. Inspect tool before use, looking for damaged, loose, and missing parts. If any proble ...
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Harbor Freight Tools 97870 - page 11
Page 1 1 SKU 97870 For technical questions, please call 1-800-444-3353. 5. T urn the Control Ring (3) slowly to the “ON” position to begin grinding or cutting. The more you turn the knob, the higher the RPM. 6. If the tool requires more force to accomplish the task, verify that the tool receives sufcient, unobstructed airow (CFM) and incr ...
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Harbor Freight Tools 97870 - page 12
Page 12 SKU 97870 For technical questions, please call 1-800-444-3353. USER-MAINTENANCE INSTRUCTIONS Procedures not specically explained in this manual must be performed only by a qualied technician. TO PREVENT SERIOUS INJUR Y FROM ACCIDENT AL OPERA TION: T urn off the tool, detach the air supply , safely discharge any residual air pressure i ...
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Harbor Freight Tools 97870 - page 13
Page 13 SKU 97870 For technical questions, please call 1-800-444-3353. T roubleshooting Problem Possible Causes Likely Solutions Decreased output. 1. Not enough air pressure and/ or air ow . 2. Obstructed valve. 3. Incorrect lubrication inadequately lubricated. 4. Blocked air inlet screen (if equipped). 5. Air leaking from loose housing. 6. Mech ...
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Harbor Freight Tools 97870 - page 14
Page 14 SKU 97870 For technical questions, please call 1-800-444-3353. ACCESSOR Y LIST Part Description Function 23 Collet Nut Wrenches T ighten/loosen Clamping Nut (22) and Collet Holder (18) for bit installation and removal. 24 Male Coupler Plug Plug into pressure source. *SKU or part number may not be available for some accessories. PLEASE READ ...
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Harbor Freight Tools 97870 - page 15
Page 15 SKU 97870 For technical questions, please call 1-800-444-3353. P ARTS LIST Part Description Q’ty 1 Rear End Holder 1 2 Screw 1 3 Control Ring 1 4 O-ring 2 5 O-ring 1 6 Pin 1 7 Hose Plug 1 8 Intake Plate 1 9 Ball Bearing 1 10 Pin 1 11 Bearing Plate 1 12 Rotor 1 P ARTS LIST Part Description Q’ty 13 Rotor Blade Set 14 Cylinder 1 15 Spacer ...
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Harbor Freight Tools 97870 - page 16
Page 16 SKU 97870 For technical questions, please call 1-800-444-3353. 90 Day W arranty Harbor Freight T ools 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 90 days from the dat ...
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