Harbor Freight Tools 46388 Grinder User Manual
Contents
1. Do not overreach Keep proper footing and balance at all times Do not reach over or across running machines Maintain tools with care Keep tools sharp and clean for better and safer performance Follow instructions for changing accessories Inspect tool cords periodically and if damaged have them repaired by an authorized technician The handles must be kept clean dry and free from oil and grease at all times Disconnect when not in use Disconnect tool from air compressor hose when not in use Remove adjusting keys and wrenches Check that keys and adjusting wrenches are removed from the tool or machine work surface before plugging it in Avoid unintentional starting Be sure the switch is in the Off position when not in use and before plugging in Stay alert Watch what you are doing use common sense Do not operate any tool when you are tired Take caution as some woods contain preservatives such as copper chromium arsenate CCA which can be toxic When working with these materials extra care should be taken to avoid inhalation and minimize skin contact Check for damaged parts Before using any tool any part that appears damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment and binding SKU 46388 Page 3 of moving parts and any other condition that may affect proper operation Any part that is damaged should be properly repaired or replaced by2. HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO SKU 46388 Page 7 Assembly Drawing Pinion Gear 18 Front Plate SKU 46388 a NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts DESCRIPTION Bearing Spacer Rotor Rotor Blade Cylinder Steel Ball Bear Plate Housing Air Inlet Screw Spring Valve Stem Bushing Valve Stem Lever Spring Pin Stop Spanner Disc Spanner Handle mau _escRTiON_ 19 Bearing Spacer__ 20 Rotor __ _ 21 RotorBlade 22 Cylinder 23 SteelBall_ 24 BearPlate 25 Housing 26 Airinlet 27 Screw 26 1 Spring 29 Valve Stem Bushing 30 VaveStem 31 Lever 32 SpringPin 33 Stop Spanner__ 34 Disc Spanner__ 35 Hande
3. a qualified technician Do not use the tool if any switch does not turn On and Off properly 17 Guard against electric shock Prevent body contact with grounded surfaces such as pipes radiators ranges and refrigerator enclosures 18 Replacement parts and accessories When servicing use only identical replacement parts Use of any other parts will void the warranty Only use accessories intended for use with this tool Approved accessories are available from Harbor Freight Tools 19 Do not operate tool if under the influence of alcohol or drugs Read warning labels on prescriptions to determine if your judgment or reflexes are impaired while taking drugs If there is any doubt do not operate the tool 20 Use proper size and type extension cord If an extension cord is required it must be of the proper size and type to supply the correct current to the tool without heating up Otherwise the extension cord could melt and catch fire or cause electrical damage to the tool This tool requires use of an extension cord of 0 to 10 amps capability up to 50 feet with wire size rated at 18 AWG Longer extension cords require larger size wire If you are using the tool outdoors use an extension cord rated for outdoor use signified by WA on the jacket 21 Maintenance For your safety service and maintenance should be performed regularly by a qualified technician Note Performance of this tool if powered by line voltage may va
4. CENTRAL PNEUMATIC Professional nofessional 4 AIR ANGLE GRINDER WM ferel 1146388 ASSEMBLY AND OPERATING INSTRUCTIONS 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com Copyright 2001 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 For technical questions and replacement parts please call 1 800 444 3353 Specifications 6 3 4 W x 7 1 2 L x 3 5 8 H 1 Dia x 3 1 8 L left side onl Resin bonded aluminum oxide grit 4 Diameter x 1 4 Thickness 005 Nothing 3 8 20 TPI Net Weight 3 35 Lbs Save This Manual You will need the manual for the safety warnings and precautions assembly instructions operating and maintenance procedures parts list and diagram Keep your invoice with this manual Write the invoice number on the inside of the front cover Keep the manual and invoice in a safe and dry place for future reference Safety Warnings and Precautions WARNING When using tool basic safety precautions should always be fol lowed to reduce the risk of personal injury and damage to equipment Read all instructions before using this tool 1 2 Keep work area clean Cluttered areas invite injuries Observe work area conditions Do not use machines or power tools in damp or wet locati
5. ace at all times when using the Angle Grinder Grip the Handle with your left hand and the Housing 25 with your right Depress the Trigger 31 with your right hand to turn the tool on Allow the motor to reach its full speed before grinding Make sure the Wheel is rotating evenly and all parts appear to be working properly Always maintain a firm grip with both hands when operating this tool To begin cutting or grinding approach the material at an angle between 15 and 30 degrees to the Wheel Maintain that angle until you are finished cutting grinding Do not force the Wheel or apply too much pressure If the Wheel slows down as you work with your material you are applying too much pressure Once you have turned the Grinder off continue to hold onto the tool with both hands until the motor stops completely before you set it down 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 IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF
6. nnect the Air Hose to the Air Inlet Coupling This air tool requires lubrication during operation For best results it is recom mended to have an oiler and water filter in line with the air supply as shown This will extend the life of the tool Attaching Changing the Wheel Accessory Fit the U shaped end of the Stop Spanner 33 around the Gear Shaft 6 and hold in place to prevent the Shaft from spinning Insert the two prongs on the end of the Disc Spanner 34 into the corresponding holes in the Disc Nut 1 and turn your wrist to unscrew Ihe Disc Nut Seeigig A right Slide the Disc Wheel 2 onto the Shaft Replace the Disc Nut and tighten using the Stop Spanner and Disc Spanner A DANGER Grinding wheel used must be rated at 11 000 RPM or higher Operation Always wear ANSI approved impact safety goggles when using this tool Tighten all work pieces to your work surface with a clamp or vise so that both of your hands are free to operate the Grinder Screw the Handle 35 into the threaded inlet on the side of the Angle Housing 13 as shown in the Assembly Diagram on Page 8 Set the Air Compressor s pressure regulator to 90 PSI Connect the Grinder to the Air Compressor s hose SKU 46388 Page 6 Check to be sure all attachments are secure before turning on the tool Adjust the Wheel Guard so that it provides a shield between you the user and the material you are working on The Wheel Guard must be in pl
7. ons Don t expose to rain Keep work area well lighted Do not use electrically powered tools in the presence of flammable gases or liquids Keep children away Children must never be allowed in the work area Do not let them handle machines tools or extension cords Store idle equipment When not in use tools must be stored in a dry location to inhibit rust Always lock up tools and keep out of reach of children Do not force tool It will do the job better and more safely at the rate for which it was intended Do not use inappropriate attachments in an attempt to exceed the tool capacity SKU 46388 Page 2 10 11 12 13 14 15 16 Use the right tool for the job Do not attempt to force a small tool or attachment to do the work of a larger industrial tool There are certain applications for which this tool was designed Do not modify this tool and do not use this tool for a purpose for which it was not intended Dress properly Do not wear loose clothing or jewelry as they can be caught in moving parts Protective electrically non conductive clothes and non skid footwear are recommended when working Wear restrictive hair covering to contain long hair Use eye and ear protection Always wear ANSI approved impact safety goggles Wear a full face shield if you are producing metal filings or wood chips Wear an ANSI approved dust mask or respirator when working around metal wood and chemical dusts and mists
8. re tightened down securely 5 Always disconnect from power source before adding or removing accessories Use a cloth or glove to protect hands from abrasion 6 The Handle must be used at all times to maintain complete control of the tool Caution Never install a carbide tipped or steel circular saw blade for use with this Angle Grinder Never install a wood carving blade carving disc with saw chain cutters or a cutting carving disc on this Angle Grinder Unpacking When unpacking check to make all parts listed on Page 8 are included If any parts are missing or broken please call Harbor Freight Tools at the number on the cover of this manual QUICK Quick a th COUPLER CONNECTOR TA FILTER QUICK COUPLER as Air Connection Note Air Compressor is not supplied You will need an Air Compressor with a minimum rating of One Horsepower 4 CFM delivery at 90 PSI and a 12 Gallon Air Tank You may use Couplings not supplied as shown in the Diagram above Do not connect Couplers directly to the Air Inlet Doing so will increase the overall bulk of the tool and strain the Inlet Threads SKU 46388 Page 5 4 Be sure to follow all safety precautions as listed on Pages 2 5 of this manual Acquire a Union fitting not supplied and screw into the Air Inlet fitting Tighten with a wrench Attach a quick coupler not supplied to the Union fitting if desired This allows quick exchange of the Air Hose to other air tools Co
9. ry depending on variations in local line voltage Extension cord usage may also affect tool perfor mance Warning People with pacemakers should consult with their physician s before using this product operation of equipment in close proximity to a heart pacemaker could cause interference or failure of the pacemaker Warning The warnings cautions and instructions discussed in this instruc tion manual cannot cover all possible conditions and situations that may oc cur It must be understood by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator Special Warnings for This Tool 1 There are certain applications for which this tool was designed Harbor Freight Tools strongly recommends that this tool not be modified and or used for any application other than which it was designed SKU 46388 Page 4 2 All accessories must be rated for at least the RPM speed recommended on the tool s warning label Wheels and other accessories running over rated speed can fly apart and cause injury 3 For safest operation it is recommended that only these accessories be used with this product Abrasive Cut Off Discs and Wheels Flap Wheels Wire Brushes Wire Wheel Brushes 4 Always use an approved and proper guard when using the above mentioned accessories Each accessory must have the correct arbor size and must fit properly on the Gear Shaft Make sure accessories a
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