Harbor Freight Tools 3 in. High Speed Extended Reach Air Cutoff Tool Product manual
Contents
1. TO PREVENT EXPLOSION Lubricate the tool only with specified lubricants Lubricate the air inlet using only pneumatic tool oil Lubricate the internal mechanism using only white lithium grease Other lubricants may damage the mechanism and may be highly flammable causing an explosion Cleaning Maintenance and Lubrication Note These procedures are in addition to the regular checks and maintenance explained as part of the regular operation of the air operated tool 1 Daily Air Supply Maintenance Every day perform maintenance on SKU 67996 For technical questions please call 1 800 444 3353 the air supply according to component manufacturers instructions The lubricator s oil level needs to be maintained and the moisture filter must be regularly drained Performing routine maintenance on the air supply will allow the tool to operate more safely and will also reduce wear on the tool Quarterly every 3 months Tool Disassembly Cleaning and Inspection Have internal mechanism cleaned inspected and lubricated by qualified technician If vanes need replacement all vanes should be replaced as a set After each use wipe down Cut Off Tool with clean cloth remove all dirt oil and grease from Cut Off Tool If necessary use a mild detergent Do not use solvents as damage to Tool may occur Do not immerse Tool in any liquids Page 12 Troubleshooting Possible Causes Likely Solutions Decreased ou2. Make sure tool s throttle or switch is in the off position refer to Operation section for description of controls 5 Close the in line safety valve between the compressor and the tool 6 Turn on air compressor according to manufacturer s directions and allow it to build up pressure until it cycles off 7 Adjust air compressor s output regulator so that air output is enough to properly power the tool but the output will not exceed the tool s maximum air pressure at any time Adjust the pressure gradually while checking the air output gauge to set the right pressure range 8 Inspect air connections for leaks Repair any leaks found 9 If tool will not be used at this time turn off and detach air supply safely discharge any residual air pressure and release throttle to prevent accidental operation Note Residual air pressure should not be present after the tool is disconnected from the air supply However it is a good safety measure to attempt to discharge the tool in a safe fashion after disconnecting to ensure that the tool is disconnected and unpowered OPERATING INSTRUCTIONS Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product TO PREVENT AWARNING SERIOUS INJURY FROM ACCIDENTAL OPERATION Turn the Power Switch of the tool off and unplug the tool from its electrical outlet before
3. 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 return repaired products at our expense but if we determine there is no defect or that the defect resulted from causes not within the scope of our warranty then you must bear the cost of returning the product This warranty gives you specific legal rights and you may also have other rights which vary from state to state 3491 Mission Oaks Blvd PO Box 6009 Camarillo CA 93011 800 444 3353 SKU 67996 For technical questions please call 1 800 444 3353 Page 16
4. not match the mounting hardware of the air tool will run out of balance 10 vibrate excessively and may cause loss of control Do not use a damaged accessory 11 Before each use inspect the accessory such as abrasive wheels for chips and cracks backing pad for cracks tear or excess wear wire SKU 67996 For technical questions please call 1 800 444 3353 brush for loose or cracked wires If air tool or accessory is dropped inspect for damage or install an undamaged accessory After inspecting and installing an accessory position yourself and bystanders away from the plane of the rotating accessory and run the air tool at maximum no load speed for one minute Damaged accessories will normally break apart during this test time Wear personal protective equipment Depending on application use face shield safety goggles or safety glasses As appropriate wear dust mask hearing protectors gloves and workshop apron capable of stopping small abrasive or work piece fragments The eye protection must be capable of stopping flying debris generated by various operations The eye protection must be capable of stopping flying debris generated by various operations The dust mask or respirator must be capable of filtering out particles generated by your operation Prolonged exposure to high intensity noise may cause hearing loss Keep bystanders a safe distance away from work area Anyone entering the work area must
5. wear personal protective equipment Fragments of work piece or of a broken accessory may fly away and cause injury beyond immediate area of operation Risk of Electric Shock This tool is not provided with an insulated gripping surface Never lay the air tool down until the accessory has come to a complete stop The spinning accessory may grab the surface and pull the air tool out of your control Page 4 Do not run the air tool while carrying it at your side Accidental contact with the spinning accessory could snag your clothing pulling the accessory into your body Regularly clean the air tool s air vents The motor s fan will draw the dust inside the housing and excessive accumulation of powdered metal may cause electrical hazards Maintain labels and nameplates on the tool These carry important safety information If unreadable or missing contact Harbor Freight Tools for a replacement Avoid unintentional starting Prepare to begin work before turning on the tool Do not depress the spindle lock when starting or during operation 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 and personal injury This product is not a toy Keep it out of reach of children WARNING Some dust created by power sanding sawing grinding drilling and other construction a
6. CENTRAL 3 AIR CUT OFF TOOL WITH 5 EXTENSION SET UP AND OPERATING INSTRUCTIONS Visit our website at http www harborfreight com Read this material before using this product Failure to do so can result in serious injury SAVE THIS MANUAL Copyright 2010 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 Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein For technical questions or replacement parts please call 1 800 444 3353 SAVETHIS MANUAL WAA NOME is used to address practices not Keep this manual for the safety warnings related to personal injury and precautions assembly operating inspection maintenance and cleaning CAUTION CAUTION withont Ihe safety alert symbol is used to address practices not related to personal injury procedures Write the product s serial number in the back of the manual near the assembly diagram or month and year of purchase if product has no number Keep this manual and the receipt in a safe and dry place for General Air Tool Safety Warnings future reference WARNING Read all safety warnings and instructions Failure to follow the IM PO RTANT S AFETY warnings and instructions may result in electric sh
7. back and loss of control Safety Warnings Specific for Grinding and Abrasive Cutting off Operations Use only wheel types that are recommended for your air tool and the specific guard designed for the selected wheel Wheels for which the air tool was not designed cannot be adequately guarded and are unsafe The guard must be securely attached to the air tool and positioned for maximum safety so the least amount of wheel is exposed towards the operator The guard helps to protect operator from broken wheel fragments and accidental contact with wheel SKU 67996 2 For technical questions please call 1 800 444 3353 Wheels must be used only for recommended applications For example do not grind with the side of cut off wheel Abrasive cut off wheels are intended for peripheral grinding side forces applied to these wheels may cause them to shatter Always use undamaged wheel flanges that are of correct size and shape for your selected wheel Proper wheel flanges support the wheel thus reducing the possibility of wheel breakage Flanges for cut off wheels may be different from grinding wheel flanges Do not use worn down wheels from larger air tools Wheel intended for larger air tool is not suitable for the higher speed of a smaller tool and may burst Dress appropriately Wear leather leggings and fire resistant footwear during use Do not wear pants with cuffs Shirts with open pockets or any clothing that
8. ble while still keeping safe control of it Let the tool do the work To reduce vibration maintain the tool as explained in this manual If any abnormal vibration occurs stop use immediately SAVE THESE INSTRUCTIONS Page 7 SPECIFICATIONS Air Consumption 4 CFM 90 PSI Air Inlet 1 4 18 NPT Female Max Rated Speed 18 000 RPM Cutting Disc Size 3 Hex Key Wrench Accessories Spanner UNPACKING When unpacking make sure that the item is intact and undamaged If any parts are missing or broken please call Harbor Freight Tools at 1 800 444 3353 as soon as possible INITIAL TOOL SET UP Read the ENTIRE IMPORTANT A SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product Note For additional information regarding the parts listed in the following pages refer to the Assembly Diagram near the end of this manual Unpacking When unpacking make sure the item is intact and undamaged If parts are missing or broken call Harbor Freight Tools at the number shown throughout the manual as soon as possible This air tool may be shipped with a protective plug covering the air inlet Remove this plug before set up SKU 67996 Air Supply TO PREVENT AWARNING cp osion Use only clean dry regulated compressed air to power this tool Do not use oxygen carbon dioxide combustible gases or any other
9. bottled gas as a power source for this tool Male Male Connector Connector Uti Quick Coupler Valve Oiler x Coupler Regulator with Pressure Gauge Recommended Air Line Components Incorporate an in line oiler shut off valve regulator with pressure gauge and filter for best service as shown in the diagram above An in line shutoff valve is an important safety device because it controls air supply even if the air hose is ruptured Note If an automatic oiler system is not used add a few drops of Pneumatic Tool Oil to the airline connection before operation Add a few more drops after each hour of continual use Attach an air hose to the compressor s air outlet Connect the air hose to the air inlet of the tool A 1 4 18 NPT Male Quick Connector not included is required Then connect the Quick For technical questions please call 1 800 444 3353 Page 8 Coupler of an hose not included onto the Quick Connector A WARNING TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION Do not install a female quick coupler on the tool Such a coupler contains an air valve that will allow the air tool to retain pressure and operate accidentally after the air supply is disconnected Note Air flow and therefore tool performance can be hindered by undersized air supply components 3 The air hose must be long enough to reach work area with enough extra length to allow free movement while working 4
10. can catch and hold molten metal or sparks Safety Warnings Specific for Abrasive Cutting off Operations Do not jam the cut off wheel or apply excessive pressure Do not attempt to make an excessive depth of cut Overstressing the wheel increases the loading and susceptibility to twisting or binding of the wheel in the cut and the possibility of kickback or wheel breakage Do not position your body in line with and behind the rotating wheel When the wheel at the point of operation is moving away from your body the possible kickback may propel the spinning wheel and the air tool directly at you Page 6 When wheel is binding or when interrupting a cut for any reason switch off the air tool and hold the air tool motionless until the wheel comes to a complete stop Never attempt to remove the cut off wheel from the cut while the wheel is in motion otherwise kickback may occur nvestigate and take corrective action to eliminate the cause of wheel binding Do not restart the cutting operation in the workpiece Let the wheel reach full speed and carefully reenter the cut The wheel may bind walk up or kickback if the air tool is restarted in the workpiece Support panels or any oversized workpiece to minimize the risk of wheel pinching and kickback Large workpieces tend to sag under their own weight Supports must be placed under the workpiece near the line of cut and near the edge of the workpiece on both si
11. ctivities contains 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 SKU 67996 For technical questions please call 1 800 444 3353 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 20 The warnings precautions 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 Kickback and Related Warnings Kickback is a sudden reaction to a pinched or snagged rotating wheel backing pad brush or any other accessory Pinching or snagging causes rapid stalling of the rotating accessory which in turn causes the uncontrolled air tool to be forced in the direction opposite of the accessory s rotation at the point of the binding For example if an abrasive wheel is snag
12. d repair person using only identical replacement parts This will ensure that the safety of the air tool is maintained Safety Warnings for Abrasive Cutting Off Operations This air tool is intended to function as a cut off tool Read all safety warnings instructions illustrations Page 3 and specifications provided with this air tool Failure to follow all instructions listed below may result in electric shock fire and or serious injury Operations such as grinding sanding wire brushing or polishing are not recommended to be performed with this air tool Operations for which the air tool was not designed may create a hazard and cause personal injury Do not use accessories which 8 are not specifically designed and recommended by the tool manufacturer Just because the accessory can be attached to your air tool it does not assure safe operation The rated speed of the accessory must be at least equal to the maximum speed marked on the air tool Accessories running faster than their RATED SPEED can break and fly apart Use only 3 Cutting Discs rated at 18 000 RPM and greater The outside diameter and the thickness of your accessory must be within the capacity rating of your air tool Incorrectly sized accessories cannot be adequately guarded or controlled The arbor size of wheels flanges backing pads or any other accessory must properly fit the spindle of the air tool Accessories with arbor holes that do
13. des of the wheel Use extra caution when making a pocket cut into existing walls or other blind areas The protruding wheel may cut gas or water pipes electrical wiring or objects that can cause kickback Vibration Safety This tool vibrates during use Repeated or long term exposure to vibration may cause temporary or permanent physical injury particularly to the hands arms and shoulders To reduce the risk of vibration related injury 1 SKU 67996 Anyone using vibrating tools regularly or for an extended period should first be examined by a doctor and then have regular medical check ups to ensure medical problems are not being caused or worsened from use Pregnant For technical questions please call 1 800 444 3353 women or people who have impaired blood circulation to the hand past hand injuries nervous system disorders diabetes or Raynaud s Disease should not use this tool If you feel any medical or physical symptoms related to vibration such as tingling numbness and white or blue fingers seek medical advice as Soon as possible Do not smoke during use Nicotine reduces the blood supply to the hands and fingers increasing the risk of vibration related injury Wear suitable gloves to reduce the vibration effects on the user Use tools with the lowest vibration when there is a choice between different processes Include vibration free periods each day of work Grip tool as lightly as possi
14. edge of the Cutting Wheel onto the surface of the workpiece WARNING Do not force or apply undo pressure onto Tool Applying too much force will stall the Tool If tool requires more force to accomplish the task verify that tool receives sufficient unobstructed airflow CFM and increase air pressure PSI CAUTION TO PREVENT TOOL AND ACCESSORY FAILURE RESULTING IN INJURY Do not exceed the tool s maximum air pressure rating If the tool still does not have sufficient force at maximum pressure and sufficient airflow then a larger tool may be required To prevent accidents detach air supply safely discharge any residual air pressure in the tool and release the throttle after use Clean external surfaces of the tool with clean dry cloth Then store the tool indoors out of children s reach SKU 67996 For technical questions please call 1 800 444 3353 Page 11 USER MAINTENANCE INSTRUCTIONS Procedures not specifically A explained in this manual must be performed only by a qualified technician TO PREVENT AWARNING SERIOUS INJURY FROM ACCIDENTAL OPERATION Turn off tool detach air supply safely discharge any residual air pressure in tool and release the throttle before performing any inspection maintenance or cleaning procedures TO PREVENT SERIOUS INJURY FROM TOOL FAILURE Do not use damaged equipment If abnormal noise vibration or leaking air occurs have problem corrected before further use
15. ged or pinched by the workpiece the edge of the wheel that is entering into the pinch point can dig into the surface of the material causing the wheel to climb out or kick out The wheel may either jump toward or away from the operator depending on direction of the wheel s movement at the point of pinching Abrasive wheels may also break under these conditions Kickback is the result of air tool misuse and or incorrect operating procedures or conditions and can be avoided by taking proper precautions as given below 1 Maintain a firm grip on the air tool and position your body and arm to allow you to resist kickback forces Always use auxiliary handle if provided for Page 5 maximum control over kickback or torque reaction during start up The operator can control torque reactions or kickback forces if proper precautions are taken Never place your hand near the rotating accessory Accessory may kickback over your hand Do not position your body in the area where air tool will move if kickback occurs Kickback will propel the tool in direction opposite to the wheel s movement at the point of snagging Use special care when working corners sharp edges etc Avoid bouncing and snagging the accessory Corners sharp edges or bouncing have a tendency to snag the rotating accessory and cause loss of control or kickback Do not attach a saw chain woodcarving blade or toothed saw blade Such blades create frequent kick
16. installing accessories Installing the 3 Cutting Wheel The Cutting Wheel MUST be rated to at least 18 000 RPM no larger than 3 in diameter with a 3 8 arbor hole dry and clean proven undamaged by inspection TO PREVENT AWARNING serious INJURY Do not operate this tool without the Wheel Guard properly installed SKU 67996 For technical questions please call 1 800 444 3353 Page 9 Use Spanner 44 to hold Spindle 35 in place while at the same time loosening the Hex Bolt 41 and Flange 40 with Hex Key Wrench 45 See Figure 1 below Insert 3 Cutting Wheel onto Spindle using Spanner to hold Spindle in place Insert the Hex Bolt through the Washer 40 and the Cutting Wheel and back into the Spindle Use the Hex Key Wrench 45 to tighten the Hex Bolt on the Spindle until the Cutting Wheel is secure Work Piece and Work Area Set Up Designate a work area that is clean and well lit The work area must not allow access by children or pets to prevent injury and distraction Route the air hose along a safe route to reach the work area without creating a tripping hazard or exposing the air hose to possible damage The air hose must be long enough to reach the work area with enough extra length to allow free movement while working Secure loose workpieces using a vise or clamps not included to prevent movement while working There must not be hazardous objects such as utility line
17. not be tightened properly internal parts may be misaligned Replace damaged components Clean or replace valve assembly Follow all safety precautions whenever diagnosing or servicing the tool Disconnect air supply before service SKU 67996 For technical questions please call 1 800 444 3353 Page 13 PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER OR 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 PARTS LIST Part Description Qty 6 Bushing 1 8 Vave 1 9 O Ring 1 17 Bal 1 1 8 Record Product s Serial Number Here Part Description Qty Note If product has no serial number record month and year of purchase instead Note Some parts are listed and sh
18. nt Always wear injury eye protection Safety equipment such as dust mask non skid safety shoes hard hat or hearing protection used SKU 67996 For technical questions please call 1 800 444 3353 Page 2 for appropriate conditions will reduce personal injuries c Prevent unintentional starting Ensure the switch is in the off position before connecting to power source and or battery pack picking up or carrying the tool Carrying air tools with your finger on the switch or energizing air tools that have the switch on invites accidents d Remove any adjusting key or wrench before turning the air tool on A wrench or a key left attached to a rotating part of the air tool may result in personal injury e Do not overreach Keep proper footing and balance at all times This enables better control of the air tool in unexpected situations f Dress properly Do not wear loose clothing or jewelry Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts g If devices are provided for the connection of dust extraction and collection facilities ensure these are connected and properly used Use of these devices can reduce dust related hazards h Only use safety equipment that has been approved by an appropriate standards agency Unapproved safety equipment may not provide adequate protection Eye protection must be ANSI approved and breathing protection mus
19. ock fire and or serious INFORMATION injury Save all warnings and instructions In this manual on the labeling and for future reference all other information provided with this product 1 Work area safety a Keep work area clean and well lit This is the safety alert ub Cluttered or dark areas invite accidents symbol It is used to alert you to potential personal b Do not operate air tools in explosive injury hazards Obey all atmospheres such as in the presence safety messages that follow of flammable liquids gases or dust this symbol to avoid possible Air tools create sparks which may ignite injury or death the dust or fumes c Keep children and bystanders DANGER indicates a away while operating an air tool A DANGER hazardous situation Distractions can cause you to lose which if not avoided will result control in death or serious injury AWARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury 2 Personal safety o Stay alert watch what you are doing and use common sense when operating an air tool Do not use an air tool while you are tired or under CAUTION used with the influence of drugs alcohol or ACAUTION the safety alert medication A moment of inattention symbol indicates a hazardous while operating air tools may result in situation which if not avoided serious personal injury could result in minor or moderate b Use safety equipme
20. own for illustration purposes only and are not available individually as replacement parts SKU 67996 For technical questions please call 1 800 444 3353 Page 14 ASSEMBLY DIAGRAM 43 23 28 44 o eo un f A da Jat qu o d 0j Us SKU 67996 For technical questions please call 1 800 444 3353 Page 15 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 This warranty does not apply to damage due directly or indirectly to misuse abuse negligence or accidents repairs or alterations outside our facilities criminal activity improper installation normal wear and tear 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 exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS To take advantage of this warranty the product or part must be returned to us with transportation
21. s or foreign objects nearby that will present a hazard while working General Operating Instructions If an automatic oiler is not used add a few drops of Pneumatic Tool Oil to airline connection before use Add a few drops more after each hour of continual use Always check the Cutting Wheel 39 for possible wear Do not use a worn cracked or defective cutting wheel Position the Cut Off Tool so that the attached Wheel Guard 38 is in position between you and the workpiece to protect you from flying debris The Wheel Guard must always be attached to the Cut Off Tool a a VEIG Quick Trigger 4 Connector not included Safety Lock Figure 1 SKU 67996 Wheel Guard 38 Cutting Wheel 39 Washer 40 For technical questions please call 1 800 444 3353 Page 10 Set the compressor to 90 PSI Do not exceed 90 PSI Connect the Air Line to the Tool as explained in the Air Supply section Mark area on workpiece you wish to cut Grip Housing 3 and press down on Trigger 4 pressing Lever s safety lock forward WARNING Use both hands to grip the Cut Off Tool Allow Cut Off Tool to run for a few seconds before approaching workpiece NOTE The Cut Off Tool s speed is variable Pressing down on Trigger will increase Tool s speed Easing back on Trigger will decrease Tool s speed Use only enough speed as needed to cut the workpiece Carefully press the
22. t be NIOSH approved for the specific hazards in the work area Air tool use and care a Do not force the air tool Use the correct air tool for your application The correct air tool will do the job better SKU 67996 For technical questions please call 1 800 444 3353 and safer at the rate for which it was designed b Do not use the air tool if the switch does not turn it on and off Any air tool that cannot be controlled with the switch is dangerous and must be repaired c Store idle air tools out of the reach of children and do not allow persons unfamiliar with the air tool or these instructions to operate the air tool Air tools are dangerous in the hands of untrained users d Maintain air tools Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the air tool s operation If damaged have the air tool repaired before use Many accidents are caused by poorly maintained air tools Keep cutting tools sharp and clean Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control D h Use the air tool accessories and tool bits etc in accordance with these instructions taking into account the working conditions and the work to be performed Use of the air tool for operations different from those intended could result in a hazardous situation Service RV Have your air tool serviced by a qualifie
23. tput 1 Not enough air pressure and Check for loose connections and make sure that air Housing heats during use Severe air leakage Slight air leakage is normal especially on older tools or air flow Obstructed trigger Incorrect lubrication or not enough lubrication Blocked air inlet screen if equipped Air leaking from loose housing Mechanism contaminated Vane wear or damage Incorrect lubrication or not enough lubrication Worn parts Cross threaded housing components Loose housing Damaged valve or housing Dirty worn or damaged valve supply is providing enough air flow CFM at required pressure PSI to the tool s air inlet Do not exceed 90 PSI maximum air pressure Clean around trigger to ensure free movement Lubricate using air tool oil and grease according to directions Clean air inlet screen of buildup Make sure housing is properly assembled and tight Have qualified technician clean and lubricate mechanism Install in line filter in air supply as stated in Initial Set Up Air Supply Replace all vanes Lubricate using air tool oil and grease according to directions Have qualified technician inspect internal mechanism and replace parts as needed Check for incorrect alignment and uneven gaps If cross threaded disassemble and replace damaged parts before use Tighten housing assembly If housing can
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