5 INCH BENCH GRINDER 94186 ASSEMBLY AND OPERATING INSTRUCTIONS Due to continuing improvements, actual product may differ slightly from the product described herein. 3491 Mission Oaks Blvd., Camarillo, CA 93011 Visit our Web site at http://www.harborfreight.com Copyright © 2006 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools.
Specifications Item Description Motor 1/3 HP (maximum); 120VAC, 60 Hz; 3450 RPM; Sealed radial armature bearings Line Cord 3-prong grounded plug, 5.5 feet long, 18 AWG x 3C Spindle 1/2” x 12 TPI threads; Right side: forward threads; Left side: reverse threads Wheel Size 5” Dia.
Electrical Safety 4. Avoid body contact with grounded surfaces such as pipes, radiators, ranges, and refrigerators. There is an increased risk of electric shock if your body is grounded. 5. Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock. 6. Grounded tools must be plugged into an outlet properly installed and grounded in accordance with all codes and ordinances. Never remove the grounding prong or modify the plug in any way.
14. Do not overreach. Keep proper footing and balance at all times. Proper footing and balance enables better control of the power tool in unexpected situations. 15. Use safety equipment. Always wear eye protection. Dust mask, non-skid safety shoes, hard hat, or hearing protection must be used for appropriate conditions. Tool Use and Care 16. Do not force the tool. Use the correct tool for your application. The correct tool will do the job better and safer at the rate for which it is designed. 17.
2. Always wear ANSI-approved safety impact eye goggles and heavy work gloves when using the Bench Grinder. Using personal safety devices reduce the risk for injury. Safety impact eye goggles and heavy work gloves are available from Harbor Freight Tools. 3. Maintain a safe working environment. Keep the work area well lit. Make sure there is adequate surrounding workspace. Always keep the work area free of obstructions, grease, oil, trash, and other debris.
WARNING! People with pacemakers should consult their physician(s) before using this product. Operation of electrical equipment in close proximity to a heart pacemaker could cause interference or failure of the pacemaker. Some dust created by power sanding, sawing, grinding, drilling, and other construction activities, contain chemicals known (to the State of California) to cause cancer, birth defects or other reproductive harm.
Figure B Figure A Double Insulated Tools with Two Prong Plugs 4. A polarized plug (one blade is wider than the other) is a feature to reduce the risk of electric shock. This plug will fit in a polarized outlet only one way. If the plug does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician. Never use with an extension cord unless plug can be fully inserted. Do not alter the plug.” 5. Tools marked “Double Insulated” do not require grounding.
TABLES A and B RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS* (120/240 VOLT) (at full load) 50’ 75’ 100’ 150’ EXTENSION CORD LENGTH 25’ NAMEPLATE AMPERES 0 – 2.0 18 18 18 18 16 2.1 – 3.4 18 18 18 16 14 3.5 – 5.0 18 18 16 14 12 5.1 – 7.0 18 16 14 12 12 7.1 – 12.0 18 14 12 10 - 12.1 – 16.0 14 12 10 - - 16.1 – 20.0 12 10 - - - TABLE A * Based on limiting the line voltage drop to five volts at 150% of the rated amperes.
Assembly Instructions 1. Mount the right Tool Rest (23) to the right Wheel Guard (7) using Bolt (21) and Washer (20). 2. Mount the left Tool Rest (22) to the left Wheel Guard (7) using Bolt (21) and Washer (20). See photo below. 3. Adjust each Tool Rest so that there is 1/16 inch (minimum) clearance from the Grinding Wheel. At the same time, adjust each Tool Rest so that the workpiece contacts the Grinding Wheel slightly above the center-line of the Motor Rotor (14). Securely tighten both Tool Rests.
Operating Instructions WARNING! The grinding wheel can fly apart and cause injury. Grinding wheels must always be checked for cracks or imperfections. This is done with the “ring test”. With the Grinding Wheel mounted, tap the wheel gently near the outer rim with the handle of a screwdriver. You should hear a clear bell-like ring. If a dull thud occurs, do not use the wheel. The wheel may be damaged and could come apart during operation. 1. Insert the Line Cord (28) into a grounded electrical outlet. 2.
Dressing the Grinding Wheel New grinding wheels frequently are not true and during operation will often become grooved, glazed (build up), out of round, or misshapen. You will need a grinding wheel dresser (not provided) for this operation. Dressers are available from Harbor Freight Tools. To dress the grinding wheel: 1. Stand to the side of the wheel for this operation. 2. If the grinding wheel is new, let it run for a minute with no load.
Parts List Part # Description 1 Screw 2 Cover 3 Nut 4 Range 5 Grinding Wheel, 60 Grit 6 Screw 7 Wheel Guard 8 Screw 9 Motor Housing 10 Ball Bearing 11 Nut 12 Motor Stator 13 Nut 14 Motor Rotor 15 Screw 16 Bracket, Left 17 Bracket, Right 18 Hex Screw 18-1 Washer 18-2 Spark Arrestor, Right 18-3 Spark Arrestor, Left 19 Eye Shield 20 Washer 20-1 Spring Washer 21 Bolt 22 Tool Rest, Adjustable Left 23 Tool Rest, Adjustable Right 24 Strain Relief 25 Grindi
Assembly Drawing 20-1 PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT.
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 90 days from the date of purchase.