Harbor Freight Tools 46935 User's Manual
Contents
1. Based on limiting the line voltage drop to five volts at 150 of the rated amperes Note Performance of this tool if powered by line voltage may vary depending on variations in local line 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 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 Unpacking When unpacking make sure the parts listed on page 7 are included If parts are missing or broken call Harbor Freight at the number on the cover of this manual as soon as possible Maintenance Warning Make sure the Breaker Hammer is unplugged before doing any maintenance ls Wipe the tool with a lint free cloth after each use Remove all dust and grit from the tool 2 Add a drop or two of a lightweight oil to the Switch assembly area to lubricate the Switch Knob 87 3 Examine the tool before each use Make sure the Chisel Bit is sharp and not dull or cracked Replace worn or broken bits with approved replacement bits from Harbor Freight Tools 4 Store in temperatures no lower than 50 60 F REV 11 06 02 07 SKU 46935 For technical questions please call 1 800 444 3353 Page 4 Operation Installing a Chisel Chisels come with or without collars2. Wear an ANSI approved dust mask or respirator when working around metal wood and chemical dusts and mists Always wear ear protection Ear protection is required for any other persons in the work area Warning Be aware of flying concrete chips Keep all spectators clear of the work area Warning Do not operate this tool if you have back neck wrist or other conditions or injuries that will be aggravated by the severe jerking forces that this tool exerts upon its operator Warning If the Breaker Hammer ever gets out of your control immediately release the Switch Knob 87 Note Use the weight of the Breaker Hammer to help you break up concrete Use the tool in the vertical position whenever possible This tool was intended to break up larger pieces of concrete IMPORTANT READ BEFORE USE This Breaker Hammer may have decreased performance for a brief period at the beginning of each use This warmup period lasts approximately 3 5 minutes This happens because the grease inside the tool may be somewhat thick preventing the tool from operating at full efficiency while the motor is cold This is perfectly normal and does not indicate a problem To help reduce this effect we recommend storing this equipment in temperatures no lower than 50 60 F rants a Straight Line Use chalk or another suitable writing material and mark you work surface to delineate the area you intend to hammer 2 Plug in the Breaker Hammer 3 Gra
3. and mists Always wear ear protection Hearing protection is required for any other persons in the work area 9 Do not overreach Keep proper footing and balance at all times Do not reach over or across running machines REV 09 02 12 06 SKU 46935 For technical questions please call 1 800 444 3353 Page 2 10 ii Te 13 14 15 16 17 18 19 20 21 Maintain tools with care Keep tools sharp and clean for better and safer performance Follow instructions for lubricating and 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 power Unplug tool 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 Knob 87 is not depressed when not in use and before plugging in Do not carry any tool with the switch depressed whether it is plugged in or not 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 cutting these materials extra care should be taken to avoid inhalation and minimize skin contact Check for damaged parts Before using
4. CHICAGO Electric INDUSTRIAL BREAKER HAMMER WITH PORTABLE CASE Model 46935 ASSEMBLY and OPERATING INSTRUCTIONS 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com Copyright 2002 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 REV 04 03 Specifications 115 Volts 1800 Watts 17 Running Amps 3 Prong Grounded Plug Hammer Blow Rate 1030 Blows Per Minute Tool Mount 1 1 8 Hex Receiver Net Weight 77 Lbs Includes One Pointed Chisel and Flat Chisel 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 followed to re duce the risk of personal injury and damage to equipment Read all instructions before using this tool Keep work area clean Cluttered areas invite injuries 2 Observe work area conditions Do not use machines or power tools in damp or wet locat
5. Figure 1 shows installation of a chisel without a collar the two included chisels are without a collar Figure 2 shows installation of a chisel with a collar Note Without a Collar Pull the retaining ring to the side just far enough to allow the bit to be inserted as shown in Figure 1 Insert the bit Slide the chisel in as far as it will go Pull the retaining ring down approximately 120 until it contacts the housing Physically check that the chisel is secure before operating If the Chisel Bit doesn t slide in easily apply some grease on the loading end of the Chisel Bit With a Collar Pull the retaining ring open about 30 40 to the second engaging position as shown in Figure 2 Insert the collared chisel Return the retaining ring to close to its original position to lock the chisel in place Physically check that the chisel is secure before operating Before each use check the Chisel for cracks or other dam age Never use a damaged Chisel SKU 46935 Make sure you only use sharp tipped chisels Dull tipped chisels can cause unnecessary chisel movement resulting in tool wear and possible injury Retaining Figure 1 LEERT TE Figure 2 Ma Ring REV 11 03 REV 06 04 For technical questions please call 1 800 444 3353 Page 5 Operation continued Warning Always wear ANSI approved impact safety goggles Wear a full face shield if you are producing metal filings or wood chips
6. IED TO REPLACE ANY PARTS OF THE PRODUCT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL RE PAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECH NICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO REV 06 04 02 05 SKU 46935 For technical questions please call 1 800 444 3353 Page 7 Assembly Drawing SKU 46935 For technical questions please call 1 800 444 3353 Page 8
7. 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 damaged should be properly repaired or replaced by a qualified technician Do not use the tool if any switch does not turn On and Off properly Guard against electric 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 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 People with pacemakers should consult their physician s before using this product Electromagnetic fields in close proximity to a heart pacemaker could cause interference to or failure of the pacemaker 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
8. i 4 Connecting Rod 1 96 org e o y T a Fixing Ring 1 se CempBass 1 67 Crans e Peson 37 Spring 8 68 Bearing 2 7 Spring Hammer 1 98 wase fs 69 Seawaser Ji e oms o m fe o Seal Cover Sid 8 Cylinder Box 1 407 Rubber Washer m sem 4 a n e Screw a m2 em a e aoe Se 74 _ Right Balancing fa _ Rotor Pi eo Switch Box Cover__ 1_ 24 Shock Absorber___ 2 55 WindLead Ring 1 86 Switch Knob Base__ 1_ 25 Screw o e ve Sid er fe _ st_ 26 Spine Assy 2 57 Tal Cover i 88 romm f 27 Spline Axle 1 se Sew o eo Pomma 7 E S 88 Bearing dt dL E 29 tetBaancng 1 60 Nt o o mu o e a for Bang C I S A eS E Parts with one or two asterisks are not available individually You must purchase the parts kits 94 Bearing Kit includes part numbers 11 18 59 68 95 Seal Kit includes part numbers 5 8 22 32 35 37 40 63 69 70 NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts 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 REP RESENTATION OR WARRANTY OF ANY KINDTO THE BUYERTHAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIF
9. ions Don t expose to rain Keep work area well lighted Do not use electrically powered tools in the presence of flammable gases or liquids 3 Keep children away Children must never be allowed in the work area Do not let them handle machines tools or extension cords 4 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 5 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 6 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 7 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 Wear steel tipped shoes when working with the Breaker Hammer 8 Use eye face 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
10. 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 designed to filter out microscopic particles California Health amp Safety Code 25249 5 et seq SKU 46935 For technical questions please call 1 800 444 3353 Page 3 22 Maintenance For your safety maintenance should be performed by a qualified technician 23 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 See the chart below for appropriate extension cord size 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 RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS 120 VOLT NAMEPLATE EXTENSION CORD LENGTH AMPERES At Full Load aaa o 20 i i i 18 16 2 1 3 4 3 5 5 0 5 1 7 0 7 1 12 0 12 1 16 0 16 1 20 0
11. sp the handles firmly with both hands When you are sure that no people or animals are in the vicinity and it s safe to begin depress the Switch Knob 87 4 The Breaker Hammer will begin to break the top layer of concrete If you push down it will begin to break the next layer as well 5 Keep moving the Breaker Hammer along the line you want to section breaking concrete as you go If the Breaker Hammer jumps off of the line or section release the Switch Knob 87 and reposition the Breaker Hammer 6 When you are finished release the Switch Knob 87 and unplug the Breaker Hammer Breaking up Concrete 1 Place the bit on the center of a piece of concrete 2 Grasp the handles firmly with both hands When you are sure that no people or animals are in the vicinity and it s safe to begin depress the Switch Knob 87 3 As you break the concrete into big chunks release the Switch Knob 87 and move to other large pieces until all of the larger pieces are broken Do not try to break up smaller pieces with this tool as it is too powerful and aggressive to control on small pieces 4 When you are finished release the Switch Knob 87 and unplug the Breaker Hammer REV 12 04 SKU 46935 For technical questions please call 1 800 444 3353 Page 6 Parts List 2 3 4 5 7 T 8 10 1 2 Coe 4 33 Fixing Sheath 1 64 Bearing m 3 Crankshaft Box 1 34 Hammer Cylinder 1 65 Fixing Sheath
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