Harbor Freight Tools 18 gauge 1.5 Amp Heavy Duty Metal Shears Product manual
Contents
1. Z2 A SKU 92148 For technical questions please call 1 800 444 3353 Page 132. Using personal safety devices reduce the risk for injury Safety impact eye goggles and heavy work gloves are available from Harbor Freight Tools Maintain a safe working environment Keep the work area well lit Make sure there is adequate surrounding work space Always keep the work area free of obstructions grease oil trash and other debris Do not use a power tool in areas SKU 92148 For technical questions please call 1 800 444 3353 Page 4 near flammable chemicals dusts and vapors Do not use this product in a damp or wet location 4 When starting a handheld power tool always maintain a firm grip on the tool with both hands to resist starting torque Always keep the extension cord away from moving parts on the tool Avoid unintentional starting Make sure you are prepared to begin work before turning on the tool i Do not force the tool This tool will do the work better and safer at the speed and capacity for which it was designed 8 Never lay the tool down until the motor has come to a complete stop The tool may create unforeseen risk while the motor cycles down 9 Never leave the tool unattended when it is plugged into an electrical outlet Turn off the tool and unplug it from its electrical outlet before leaving 10 Always unplug the tool from its electrical outlet before performing and inspection maintenance or cleaning procedures 11 WARNING People with pacemakers should consult their physician s befor
3. thickness Maintain a 4 degree angle on the butt of the Lower Shear Blade 2 as shown in the illustration below 12 degrees 8 degrees 4 degrees Upper Shear Blade Upper Shear Blade Lower Shear Blade Replacing Carbon Brushes After considerable use your Electric Metal Shear may not run as well as usual If it starts or runs slowly makes a grinding noise or will not run at all the problem may be worn Carbon Brushes An extra set of Carbon Brushes is included with your tool for replacement as needed 1 Unplug your tool before beginning work 2 To examine the condition of the brushes unscrew Motor Vents each Brush Cap 43 and remove each Brush 42 NOTE Record the position of each carbon brush as you remove it so you can replace them in exactly the same way Carbon brushes wear into the armature If they are replaced in a different orientation they will have to undergo additional wear before they again fit properly 3 If the Carbon Brushes 42 are severely worn less than 1 8 carbon remaining they should be replaced Also if either brush is cracked or chipped both brushes must be replaced If they are glazed but more than 1 8 in length the glaze can be removed with a pencil eraser and the brushes reused If they are in good condition and more than 1 8 remains replace the original brushes in the exact configuration they were removed To replace a Carbon Brush 42 insert it into the Brush Holder 41 carbo
4. thickness divided by 5 For example a thin steel Cap Screw 6 plate which is 1 mm thick should be cut with a shear blade setting of 2 mm This assumes a hardness of the material at 390N mm For softer material reduce the gap For harder material increase the gap SKU 92148 For technical questions please call 1 800 444 3353 Page 8 FF 4 Loosen the Socket Head Screw 6 that holds the Upper Shear Upper Shear Blade 12 in place Adjust the Upper A Blade 12 Shear Blade until the space between the upper and lower cutting edge is between 0 1 mm and 0 6 mm Gap Then tighten the Socket Head Screw 6 to fix the Upper Shear Blade 12 in position Lower Shear es TA Blade 2 a aD Maintenance Check the condition of this tool every time before using it 1 Before each use plug in the tool and turn it on to run freely for one minute 2 After the tool has run for one minute turn it off and put 3 4 drops Power Switch 38 of light machine oil in the oil port on the head of the tool See picture at right 3 Also apply a small amount of oil into the space between the Arbor 13 and the Shaft Sleeve 15 To remove or replace the blades 1 Unplug this tool before attempting any maintenance Oil Port 2 Remove the Screw and Washers 6 5 4 holding the Upper Shear Blade 12 amp remove it as shown in the photo below left using the included Hex Key 3 Remove the Screw and Washers 6 5 4 holding the Lower Shea
5. Bearing e2827 o amare E o SKU 92148 For technical questions please call 1 800 444 3353 Page 11 Assembly Drawing 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 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 92148 For technical questions please call 1 800 444 3353 Page 12 V V V daila POWer Tools LIMITED 90 DAY WARRANTY aia VV 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 K lt workmanship for the period of ninety days from the date of purchase This warranty does not apply to damage W due directly or indirectly to misuse abuse negligence or accidents repairs or alterations outside our facilitie
6. CHICAGO daii Power Tools 18 GAUGE ELECTRIC METAL SHEAR MW fere 2 92148 ASSEMBLY AND OPERATION INSTRUCTIONS vig HARBOR FREIGHT p TOOLS amp 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our website 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 or replacement parts please call 1 800 444 3353 Rev 12l Specifications Citing Capacity e ane Dimensions 3 W x 11 3 4 L x 5 1 2 H Plastic up to 18 gauge Electrical Rating 120 V 60HzZ 3 5A Net Weight 5 8 Ib SAVE THIS MANUAL 224184 You will need this manual for the safety warnings and precautions assembly operating inspection maintenance and cleaning procedures parts list and assembly diagram Keep your invoice with this manual Write the invoice number on the inside of the front cover Keep this manual and invoice in a safe and dry place for future reference GENERAL SAFETY RULES WARNING READ AND UNDERSTAND ALL INSTRUCTIONS Failure to follow all instructions listed below may result in electric shock fire and or serious injury SAVE THESE INSTRUCTIONS WORK AREA 1 Keep your work area clean and well lit Cluttered
7. ates the need for the three wire grounded power cord and grounded power supply system 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 Do not expose power tools to rain or wet conditions Water entering a power tool will increase the risk of electric shock Do not abuse the Power Cord Never use the Power Cord to carry the tools or pull the Plug from an outlet Keep the Power Cord away from heat oil sharp edges or moving parts Replace damaged Power Cords immediately Damaged Power Cords increase the risk of electric shock When operating a power tool outside use an outdoor extension cord marked W A or W These extension cords are rated for outdoor use and reduce the risk of electric shock PERSONAL SAFETY Stay alert Watch what you are doing and use common sense when operating a power tool Do not use a power tool while tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal injury Dress properly Do not wear loose clothing or jewelry Contain long hair Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts Avoid accidental starting Be sure the Power Switch is off before plugging in Carrying power tools with your finger on the Power Switc
8. benches and dark areas invite accidents Make sure there is adequate surrounding workspace 2 Do not operate power tools in explosive atmospheres such as in the presence of flammable liquids gases or dust Power tools create sparks which may ignite the dust or fumes 3 Keep bystanders children and visitors away while operating a power tool Distractions can cause you to lose control Protect others in the work area from debris such as chips and sparks Provide barriers or shields as needed ELECTRICAL SAFETY 4 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 Do not use any adapter plugs Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded If the tools should electrically malfunction or break down grounding provides a low resistance path to carry electricity away from the user SKU 92148 For technical questions please call 1 800 444 3353 Page 2 10 11 12 13 14 T9 16 Double insulated tools are equipped with a polarized plug one blade is wider than the other 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 to install a polarized outlet Do not change the plug in any way Double insulation O elimin
9. e using this product Electromagnetic fields in close proximity to a heart pacemaker could cause interference to or failure of the pacemaker GROUNDING WARNING Improperly connecting the grounding wire can result in the risk of electric shock Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded Do not modify the power cord plug provided with the tool Never remove the grounding prong from the plug Do not use the tool if the power cord or plug is damaged If damaged have it repaired by a service facil ity before use Ifthe plug will not fit the outlet have a proper outlet installed by a qualified electrician GROUNDED TOOLS TOOLS WITH THREE PRONG PLUGS 1 Tools marked with Grounding Required have a three wire cord and three prong grounding plug The plug must be connected to a properly grounded outlet If the tool should electrically malfunction or break down grounding provides a low SKU 92148 For technical questions please call 1 800 444 3353 Page 5 resistance path to carry electricity away from the user reducing the risk of electric shock See Figure A The grounding prong in the plug is connected through the green wire inside the cord to the grounding system in the tool The green wire in the cord must be the only wire connected to the tool s grounding system and must never be attached to an electrically live terminal See Figure A Your tool must be pl
10. h or plugging in power tools with the Power Switch on invites accidents Remove adjusting keys or wrenches before turning the power tool on A wrench or a key that is left attached to a rotating part of the power tool may result in personal injury 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 Use safety equipment Always wear eye protection Dust mask nonskid safety shoes hard hat or hearing protection must be used for appropriate conditions Use clamps not included or other practical ways to secure and support the workpiece to a stable platform Holding the work by hand or against your body is unstable and may lead to loss of control SKU 92148 For technical questions please call 1 800 444 3353 Page 3 17 18 19 20 21 22 23 24 29 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 Do not use the power tool if the Power Switch does not turn it on or off Any tool that cannot be controlled with the Power Switch is dangerous and must be replaced Disconnect the Power Cord Plug from the power source before making any adjustments changing accessories or storing the tool Such preventive safety measures reduce the risk of starting the tool accidentally Store idle tools out of reach of chi
11. ldren and other untrained persons Tools are dangerous in the hands of untrained users Maintain tools with care Keep cutting tools sharp and clean Properly maintained tools with a sharp cutting edge are less likely to bind and are easier to control Do not use a damaged tool Tag damaged tools Do not use until repaired Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the tool s operation If damaged have the tool serviced before using Many accidents are caused by poorly maintained tools Use only accessories that are recommended by the manufacturer for your model Accessories that may be suitable for one tool may become hazardous when used on another tool SERVICE Tool service must be performed only by qualified repair personnel Service or maintenance performed by unqualified personnel could result in a risk of injury When servicing a tool use only identical replacement parts Follow instructions in the Inspection Maintenance And Cleaning section of this manual Use of unauthorized parts or failure to follow maintenance instructions may create a risk of electric shock or injury SPECIFIC SAFETY RULES Maintain labels and nameplates on the tool These carry important information If unreadable or missing contact Harbor Freight Tools for a replacement Always wear ANSl approved safety impact eye goggles and heavy leather work gloves when using the tool
12. n end first with the spring end to the outside Replace the Brush Cap 43 and tighten it by turning clockwise NOTE When replacing Carbon Brushes 42 do not replace only one brush Always replace both carbon brushes at the same time After replacing the Carbon Brushes 42 let the tool run for 2 minutes before using it This will allow the Carbon Brushes 42 to wear into the Armature Caution During use do not obstruct the motor vents in the Cover 48 Obstruction may cause the motor to overheat during use possibly damaging the tool SKU 92148 For technical questions please call 1 800 444 3353 Page 10 Parts List ee Cas Bal Bearng 626285 Taa Rubberwasher C Housing ooo 6 Socket Head Sorewme x12 2 36 Socket Head Screw mi2x30 1 Car nampe e Adjusting Flat Head Sorewms x16 1 38 Powerswn 1 e spring washerma 6 30 orema a Tit lock Screwmaxts 1 ar prsn ower fe 712 Upper Shear Bee 1 a2 carbonBrsh SOSCS dCi e fa O ta esn fe Tia Straignthinmoxte o a Suppon fe is shat sieeve as ScrewsTaoxes gt e fsm O ar feeercoer o a orn o ie Connecting Bar 719 Nestle Bearngkizieio 1 49 screwstsoxe 6 Csr Switch Holder Si TTM NO NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts 5 6 T 8 Imermeciate Cover o Ball
13. questions please call 1 800 444 3353 Page 6 oO If you are using one extension cord for more than one tool add the nameplate amperes and use the sum to determine the required minimum cord size See Figure C 6 If you are using an extension cord outdoors make sure it is marked with the suffix W A W in Canada to indicate it is acceptable for outdoor use T Make sure your extension cord is properly wired and in good electrical condition Always replace a damaged extension cord or have it repaired by a qualified electrician before using it 8 Protect your extension cords from sharp objects excessive heat and damp or wet areas NAMEPLATE AMPERES EXTENSION CORD LENGTH At Full Load 25 Feet 50Feet 75Feet 100 Feet 150 Feet_ Based on limiting the line voltage drop to five volts at FIGURE C 150 of the rated amperes SYMBOLOGY no xxxx min No Load Revolutions per Minute RPM SKU 92148 For technical questions please call 1 800 444 3353 Page 7 Unpacking When unpacking check to make sure the following parts are included Electric Shear 2 Spare Electric Brushes Hex Key Owner s Manual If any parts are missing or broken please call Harbor Freight Tools at the number on the cover of this manual Operation Following all safety requirements already listed plug the Power Cord 54 into a circuit breaker protected 120 V 60 Hz power outlet WARNING Do not turn on the tool until yo
14. r Blade Screw and Washers 6 5 4 12 amp remove it as in photo below right 4 To reinstall sharpened blades or new blades first reinstall the Lower Shear Blade 2 and tighten it Then install the Upper Shear Blade 12 but leave it just loose enough to slide 5 The Upper Shear Blade 12 has a Adjusting Screw 8 and Screw 6 that are used to adjust the blade s position The Screw 6 should be loosened with a wrench Then the Lock Nut 7 should be loosened and held using a box end wrench not included and the Adjusting Screw 8 can be adjusted The Upper Shear Blade 12 should be Adjusting The Upper Shear Blade 12 STEP 2 adjusted for different material types or thicknesses For sheet steel the formula is Gap Steel Thickness 5 as discussed in item 3 page 7 The gap will be slightly smaller for rubbery or soft materials The gap should be slightly larger for hard materials SKU 92148 For technical questions please call 1 800 444 3353 Page 9 Brush Cap 43 When the two blades line up with the proper gap tighten and hold the Adjusting Screw 8 while you tighten the Lock Nut 7 Then tighten the Screw 6 Check that the blades will operate properly before use The machine should always be tested on scrap material before use on final work material If you sharpen the blades maintain the original dimensions of a 12 degree angle on the Upper Shear Blade 12 with a 8 degree angle across its
15. s N or to lack of maintenance We shall in no event be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising from the use of our product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation of K exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES NS EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS A To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the complaint must accompany the merchandise If our inspection verifies the defect we will either repair or replace the product at our election or we may elect to refund the purchase price if we cannot readily and quickly provide you with a replacement We will SAY return repaired products at our expense but if we determine there is no defect or that the defect resulted TFA from causes not within the scope of our warranty then you must bear the cost of returning the product ANSA NSN Ca NAX Y This warranty gives you specific legal rights and you may also have other rights which vary from state to state tk 3491 Mission Oaks Blvd PO Box 6009 Camarillo CA 93011 800 444 3353 D a a rem ene eer l 7 CANS NS ONS SVN SSW SSNS ANAONA NONANI NANSA HN UN
16. u have read this entire manual and follow all safety information notes cautions and warnings provided To turn on the tool slide the Power Switch 38 forward to the ON position The Upper Shear Blade 12 will begin to move up and down at high speed NOTE It is a good idea to make a few practice cuts on scrap material before cutting your work piece To cut material fit the Tool Rest 1 over the edge of the material and move the tool slowly forward along the desired cut line of the material As the Upper Shear Blade 12 moves up and down against the Lower Shear Blade 2 the material will be cut WARNING The edge of sheet metal is very sharp Always wear protective gloves when handling sheet metal CAUTION Do not cut across a welded seam as this might damage the blades To stop cutting slide the Power Switch 38 back to the OFF position Unplug the tool Adjusting the cutting blades If the tool is operating properly but is not cutting satisfactorily you may have to adjust the blades Before attempting adjustment unplug the tool Using a probe through the motor vents in the side of the Cover 48 turn the fan until the cutting blades are open to the maximum amount You can measure the gap between the blades using an automotive feeler gauge not included To determine the best spacing use the formula Distance in mm L 0 2 x thickness of thin steel plate in mm This is the same as the gap being equal to the material
17. ugged into an appropriate outlet properly installed and grounded in accordance with all codes and ordinances The plug and outlet should look like those in the following illustration See Figure A FIGURE A FIGURE B DOUBLE INSULATED TOOLS TOOLS WITH TWO PRONG PLUGS Tools marked Double Insulated do not require grounding They have a special double insulation system which satisfies OSHA requirements and complies with the applicable standards of Underwriters Laboratories Inc the Canadian Standard Association and the National Electrical Code See Figure B Double insulated tools may be used in either of the 120 volt outlets shown in the preceding illustration See Figure B EXTENSION CORDS Grounded tools require a three wire extension cord Double Insulated tools can use either a two or three wire extension cord As the distance from the supply outlet increases you must use a heavier gauge extension cord Using extension cords with inadequately sized wire causes a serious drop in voltage resulting in loss of power and possible tool damage See Figure C next page The smaller the gauge number of the wire the greater the capacity of the cord For example a 14 gauge cord can carry a higher current than a 16 gauge cord See Figure C When using more than one extension cord to make up the total length make sure each cord contains at least the minimum wire size required See Figure C SKU 92148 For technical
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