Harbor Freight Tools 32940 User's Manual
Contents
1. Page 7 Pin NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts2. 9 Connect the a Quick Disconnect coupler on a 3 8 ID Air Source Hose to the tool Note If you are not using an automatic oiler system before operation add a few drops of Pneumatic Tool Oil to the airline connection Add a few drops more after each hour of continual use 2 Set the air pressure on your compressor to 90 PSI Do not exceed the recommended air pressure of 90 PSI 3 Check the air connection for leaks Once you are satisfied there are no leaks turn off the air compressor and disconnect the tool Air Hammer 1 4 NPT Hose Line Vaive AiR 1 COMPRESSOR Air Hose on Reel Regulator Recommended Air Line Components For best service you should incorporate an oiler regulator and inline filter as shown in the diagram above Hoses couplers oilers regulators and filters are all available at Harbor Freight Tools NOTE The information in the box below refers to the Assembly Diagram and Parts List on page 7 PLEASE READTHE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM INTHIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KINDTOTHE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT ORTHAT 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 U
3. voltage Extension cord usage may also affect tool performance Warning The warnings cautions and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur It must be under SKU 32940 Page 3 stood by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator WARNING 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 Some examples of these chemicals are Lead from lead based paints Crystalline silica from bricks and cement or other masonry products Arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as those dust masks that are specially de signed to filter out microscopic particles California Health amp Safety Code 25249 5 et seq Air Hammer Specific Safety Warnings Repetitive motions or exposure to vibration may be harmful to your hands and arms 2 When wearing gloves to operate the Air Hammer make sure that the gloves do not interfere with operating the Trigger 16 Test your gloves with the Trigger 16 before attach
4. work area conditions Do not use machines or power tools in damp or wet locations Don t expose to rain Keep work area well lit 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 extension cords or air hoses 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 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 It will do the job better and more safely at the rate for which it was intended Do not modify this tool and do not use this tool for a purpose for which it was not in tended 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 recom mended when working Wear restrictive hair covering to contain long hair Use eye and ear protection Always wear ANSI approved impact safety glasses under a full face shield while working Wear an ANSI approved dust mask or respirator when working around metal wood and chemical dusts and mists Do not overreach Keep proper footing and balance at all times Do not reach over or across running machines or air ho
5. 4 Gently squeeze the Trigger 16 and move slowly along the workpiece Do not push down on the Air Hammer let it do the work If it does not do the intended job to satisfac tion examine your bit to see if it is worn or dull Warning Always disconnect from the air source before examining or changing bits Di When you are finished turn off the air supply and then hold the Air Hammer in a safe direction and Squeeze the trigger to bleed off the remaining air Then disconnect the air hose Maintenance Warning Always disconnect from the air source before attempting maintenance 1 After each use wipe the Air Hammer down with a lint free cloth 2 Make sure there are no concrete chips dirt or debris in the Retainer Spring 15 3 Before storage add a small quantity of high quality pneumatic oil in the Air Inlet 9 and operate the tool for a couple of seconds to lubricate and protect the internal mecha nism SKU 32940 Page 6 Maintenance Continued 4 Examine your chisels bits before using them If a chisel is dull or cracked do not use it Replace worn or broken chisels with approved replacement chisels from Harbor Freight Tools Assembly Diagram as DB Description Body Parts List Description Rear Valve Rubber Gasket Valve Disk O Ring Front Valve Regulator Piston Control Pin Cylinder O Ring Retainer Spring Ball Trigger Spring Pin Air Inlet
6. CENTRAL PNEUMATIC Air Hammer Model 32940 Assembly and Operation Instructions Distributed Exclusively by 4 HARBOE peeo rip 3491 Mission a N CA 93011 Visit our Web site at http www harborfreight com TO PREVENT SERIOUS INJURY READ AND UNDERSTAND ALL WARNINGS AND INSTRUCTIONS BEFORE USE Copyright 2004 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 Air Inlet 1 4 18 NPT Maximum Operating Pressure 90 PSI Blows Per Minute 4 500 BPM Average Air Consumption 4 CFM Weight 2 1 4 Lbs Accepts standard 10mm shank chisels Save This Manual You will need the manual for the safety warnings and precautions assembly instruc tions 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 tools basic safety precautions should always be followed to reduce the risk of personal injury and damage to equipment Read all instructions before using this product Keep work area clean Cluttered areas invite injuries Observe
7. NDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TOTHE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO SKU 32940 Page 5 Operation Cylinder 14 Retainer Spring 15 Chisel Trigger 16 Regulator 4 Air Inlet 9 Examine your chisels bits before using them Ifa chisel is dull or cracked do not use it Replace worn or broken chisels with approved replacement chisels bits from Harbor Freight Tools Warning Always disconnect the tool from the air source before examining or changing bits 1 Select the appropriate chisel bit Unscrew the Retainer Spring 15 and insert the shank of the chisel bit Screw the Retainer Spring 15 back onto the Cylinder 14 Holding the Air Chisel firmly pull the chisel bit hard to make sure it locked into place Note Before connecting the air supply make sure you are wearing safety goggles and a full face mask ear protection and steel toe shoes Warning Any spectators in the immediate area will need eye and ear protection Beware of flying chips of wood concrete metal or any other material being chiseled 2 Connect the air hose to the Air Inlet 9 and turn on the compressor not included 3 Grip the Air Hammer with both hands firmly and put the chisel bit tip up against the workpiece you wish to chip
8. ic shock Prevent body contact with grounded surfaces such as pipes radiators ranges and refrigerator enclosures 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 Industrial applications must follow OSHA guidelines Do not operate tool if under the influence of alcohol or drugs Read warning labels if taking prescription medicine to determine if your judgement or reflexes are impaired while taking drugs If there is any doubt do not operate the tool 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 compressor without heating up Otherwise the extension cord could melt and catch fire or cause electrical damage to the compressor Check your air compressor s manual for the appropriate size cord Maintenance For your safety maintenance should be performed regularly by a quali fied technician Compressed air only Never use combustible gas as a power source Use both hands The force generated from this tool can cause it to break free of your grasp causing serious injury and damage Always operate this tool with both hands Note Performance of the compressor if powered by line voltage may vary depending on variations in local line
9. ing the unit to an air source _ 3 Never start the tool unless you have a firm grip with both hands and you are positioned at your workpiece or area 4 Before using the Air Hammer know what is directly underneath the work area or work piece The Air Hammer can quickly penetrate material If working directly on the ground make sure you are not directly above shallow cables lines or pipes 5 Keep your limbs and body clear of the Air Hammer If a chisel or bit breaks off the tool tends to surge forward suddenly Make sure the immediate area is clear of other people or animals Spectators must stay at a safe distance 6 Never point the tool or the air hose not included at anyone A Keep your finger away from the Trigger 16 until you are ready to work Warning Any spectators in the area will need eye and ear protection Beware of flying chips of wood concrete metal or any other material being hammered Unpacking When unpacking check to make sure all of the parts listed on page 7 Five Chisels and a Quick disconnect Coupler Plug are included If any parts are missing or broken please call Harbor Freight Tools at the number on the cover of this manual as soon as possible SKU 32940 Page 4 Assembly Installation ls You will need to prepare the 1 4 Quick disconnect Coupler Plug to connect to the air inlet on the Air Hammer Wrap the Coupler Plug with pipe thread seal tape before threading it into the Air Inlet
10. ses SKU 32940 Page 2 10 11 12 13 14 15 16 17 18 19 20 21 22 Maintain tools with care Keep tools clean for better and safer performance Follow instructions for lubricating and changing accessories Inspect tool cords and air hoses 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 air supply Disconnect air 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 connecting the tool Avoid unintentional starting Be sure the trigger is released when not in use and be fore connecting to the air source Do not carry any tool with your finger on the trigger whether it is connected or not Stay alert Watch what you are doing use common sense Do not operate any tool when you are tired 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 of moving parts any broken parts or mounting fixtures and any other condition that may affect proper operation Any part that is dam aged should be properly repaired or replaced by a qualified technician Do not use the tool if the trigger does not operate properly Guard against electr
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