Harbor Freight Tools Portable Abrasive Blaster Kit Product manual
Contents
1. Always wear hearing protection when using the tool Prolonged exposure to high intensity noise is able to cause hearing loss Tool use and care Use clamps or another practical way to secure and support the workpiece to a stable platform Holding the work by hand or against the body is unstable and is able to lead to loss of control Do not force the tool Use the correct tool for the application The correct tool will do the job better and safer at the rate for which the tool is designed Do not use the tool if the switch does not turn the tool on or off Any tool that cannot be controlled with the switch is dangerous and must be repaired Disconnect the tool from the air source before making any adjustments changing accessories or storing the tool Such preventive safety measures reduce the risk of starting the tool unintentionally Turn off and detach the air supply safely discharge any residual air pressure and release the trigger before leaving the work area Store the tool when it is idle out of reach of children and other untrained persons A tool is dangerous in the hands of untrained users Maintain the tool with care Keep the tool clean and free of obstructions A properly maintained SKU 37025 tool reduces the risk of accidents is easier to control Check for misalignment or binding of moving parts breakage of parts and any other condition that affects the tool s operation If2. The tool is able to create sparks resulting in the ignition of the dust or fumes c bystanders children and visitors away while operating the Page 3 4 tool Distractions able to result in the loss of control of the tool Personal safety Stay alert Watch what you are doing and use common sense when operating the tool Do not use the tool while tired or under the influence of drugs alcohol or medication moment of inattention while operating the tool increases the risk of injury to persons Dress properly Do not wear loose clothing or jewelry Contain long hair Keep hair clothing and gloves away from moving parts Loose clothes jewelry or long hair increases the risk of injury to persons as a result of being caught in moving parts Avoid unintentional starting Be sure the switch is off before connecting to the air supply Do not carry the tool with your finger on the switch or connect the tool to the air supply with the switch on Do not overreach Keep proper footing and balance at all times Proper footing and balance enables better control of the tool in unexpected situations Use safety equipment A dust mask non skid safety shoes and a hard hat must be used for the applicable conditions Wear heavy duty work gloves during use Always wear eye protection Wear ANSI approved safety goggles e f For technical questions please call 1 800 444 3353
3. damaged have the tool serviced rated air pressure or within the rated air pressure range Never use oxygen carbon dioxide combustible gases or any bottled gas as an air source for the tool Such gases are capable of explosion and serious injury to persons before using Many accidents are Sat by Jae bel SAVE THESE ere is a risk of bursting if the tool is h Use only accessories that identified by the manufacturer for SYMBOLS AND the specific tool model Use of an accessory not intended for use with SPECIFIC SAFETY the specific tool model increases the INSTRUCTIONS risk of injury to persons Symbol Definitions Symbol Property or statement No load speed Service a Tool service must be performed only by qualified repair personnel Service or maintenance performed by Imin Revolutions or reciprocation per unqualified personnel could result in minute Pounds per square inch of pressure Foot pounds of torque BPM Blows per minute Cubic Feet per Minute flow a risk of injury b When servicing a tool use only identical replacement parts Use only authorized parts Air source a Never connect to an air soppy Fest per Minnie source that is capable of standard conditions exceeding 200 psi Over National pipe thread tapered pressurizing the tool may cause bursting abnormal operation National pipe thread straight breakage of the tool or serious injury TERANE mak ina
4. et seq Only use with accessories rated to handle the forces exerted by this tool during operation Other accessories not designed for the forces generated may break and forcefully launch pieces Instructions Attach all accessories properly to the tool before connecting the air supply A loose accessory may detach or break during operation Obey the manual for the air compressor used to power this tool Install an in line shutoff valve to allow immediate control over the air supply in an emergency even if a hose is ruptured Silicosis and Aluminum Oxide Warnings Warning Abrasive blasting with sand containing crystalline silica can cause serious or fatal respiratory disease Exposure to crystalline silica may cause silicosis a serious lung disease cancer and death Exposure to aluminum oxide a dust generated from material removing processes can result in eye skin and breathing irritation Always use a NIOSH National Institute for Occupational Safety and Health approved respirator and safety goggles Avoid skin exposure Proper ventilation in the work area is required Read and understand the 10 recommended measures below to reduce crystalline silica exposures in the workplace and prevent silicosis and silicosis related deaths NIOSH recommends the following measures to reduce crystalline silica exposures in the workplace and prevent silicosis and silicosis related deaths 1 For technical q
5. CENTRAL PNEUMATIC V 700200 A ABRASIVE KIT VELJ 37025 SET UP AND OPERATING INSTRUCTIONS Distributed exclusively by Harbor Freight Tools 3491 Mission Oaks Blvd Camarillo CA 93011 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 1997 2009 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 Tools required for assembly and service may not be included For technical questions or replacement parts please call 1 800 444 3353 5 SAFETY ALERT SYMBOL AND SIGNAL 5 3 IMPORTANT SAFETY INSTRUCTIONS 3 GENERAL esee 3 WORK 3 PERSONAL 4 TOOL USE AND 4 SERVICE sssssscsssssssssssescsssssecsssneessessss 5 AIR 5 SYMBOLS AND SPECIFIC SAFETY INSTRUCTIONS 5 SYMBOL DEFINITIONS 5 SPECIFIC SAFETY INSTRUCTIO
6. NS 6 FUNCTIONAL DESCRIPTION 8 SPECIFICATIONS 8 COMPONENTS AND CONTROLS 8 INITIAL TOOL SET UP 8 222 8 AIR 8 OPERATING INSTRUCTIONS 10 TOOL SET 10 55 4 44 4447 4 4 10 WORK PIECE AND WORK AREA SET UP csr 10 GENERAL OPERATING INSTRUCTIONS 11 USER MAINTENANCE INSTRUCTIONS 12 CLEANING MAINTENANCE AND 12 2 For technical questions please call 1 800 444 3353 TROUBLESHOOTING 13 PARTS LIST amp ASSEMBLY 14 DISCHARGE GUN PARTS LIST amp PARTS DIAGRAM 15 LIMITED 90 DAY WARRANT Y 16 SKU 37025 SAVE THIS MANUAL Keep this manual for the safety warnings and precautions assembly operating inspection maintenance and cleaning 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 future reference Safety Alert Symbol and Signal Words In this manual on the labeling and all other information provided with this product This is t
7. Risk marking concerning RIS to persons Use only clean dry of Eye Injury Wear ANSI approved regulated compressed air at the rated eye protection pressure or within the rated pressure WARNING marking concerning Risk range as marked on the tool Always of Hearing Loss Wear hearing verify prior to using the tool that the protection air source has been adjusted to the Chart continued in next column SKU 37025 For technical questions please call 1 800 444 3353 Page 5 6 Symbol Definitions Symbol Property or statement WARNING marking concerning Risk of Respiratory Injury Wear NIOSH approved dust mask respirator WARNING marking concerning Risk of Explosion Specific Safet The warnings and precautions discussed in this 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 WARNING The brass components of this product contain lead a chemical known to the State of California to cause birth defects or other reproductive harm California Health amp Safety code 25249 5 et seq WARNING This product when used for abrasive blasting and similar applications produces chemicals known to the State of California to cause cancer and birth defects or other reproductive harm California Health amp Safety Code S 25249 5
8. TES 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 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 charges prepaid Proof of purchase d
9. ally while checking the air output gauge to set the right pressure range Inspect the air connections for leaks Repair any leaks found If the tool will not be used at this time turn off the compressor and detach the air supply safely discharge any residual air pressure and release the throttle and or turn the switch to its off position to prevent accidental operation For technical questions please call 1 800 444 3353 Page 9 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 into the hopper after disconnecting to ensure that the tool is disconnected and unpowered OPERATING INSTRUCTIONS SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product Read the ENTIRE IMPORTANT Inspect tool before use looking for damaged loose and missing parts If any problems are found do not use tool until repaired Tool Set Up TO PREVENT AWARNING SERIOUS INJURY FROM ACCIDENTAL OPERATION Turn off the tool detach the air supply safely discharge any residual air pressure in the tool and release the trigger before performing any inspection maintenance or cleaning procedures TO PREVENT SERIOUS INJURY Do not adjust or tamper with any control or component in a way not specifically explained within this man
10. ate 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 Record Product s Serial Number Here Note If product has no serial number record month and year of purchase instead Note Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts Page 16 For technical questions please call 1 800 444 3353 SKU 37025
11. emble and Slight air leakage replace damaged parts before use is normal 2 Loose housing 2 Tighten housing assembly If housing cannot especially on older tighten properly internal parts may be tools misaligned 3 Damaged valve or housing 3 Replace damaged components 4 Dirty worn or damaged valve 4 Clean or replace valve stem O ring washer stem and gasket 5 Mechanism contaminated Follow all safety precautions whenever diagnosing or servicing the tool Disconnect air supply before service SKU 37025 For technical questions please call 1 800 444 3353 Page 13 PARTS LIST amp ASSEMBLY DIAGRAM Part Description Qty Part Description Page 14 For technical questions please call 1 800 444 3353 SKU 37025 DISCHARGE GUN PARTS LIST amp PARTS DIAGRAM Ceramic Nozzle 6 Gasket 1 P 8 Pin 11 9 GunBody 11 SKU 37025 For technical questions please call 1 800 444 3353 Part Description Page 15 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 STA
12. es a NIOSH approved protective face mask and Hard Hat when using the Spot Blaster 1 Set the compressor s pressure regulator to 50 120 PSI Do not set the compressor s outlet regulator over 120 PSI 2 Connect air supply to the air inlet of the gun If leaking is detected disconnect the air hose and repair before use 3 Fill the Hopper 1A with an appropriate abrasive such as steel grit or glass bead abrasive checking to ensure that the abrasives are dry and clean 4 Place the material to be sandblasted in an area suitable for this kind of work CAUTION The blasting medium will accumulate and cover items near the blasting area possibly damaging finishes or contaminating moving parts Place the compressor in another room to prevent it from being damaged 5 Holding the Discharge Gun so that it is pointing away from you turn on the air compressor 6 Squeeze the trigger on the Discharge Gun 6A to begin operation Release it to stop Use even passes of the Discharge Gun to remove rust paint etc Do not keep the Gun point in one location continously to prevent damage to the item Note Use caution when sandblasting unfamiliar material Test the tool on a small area before proceeding This will ensure you will not damage or pit the material you wish to sandblast WARNING Do not point the gun towards your face any part of yourself or at any other person or animal If the tool requires more fo
13. he safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death DANGER indicates DANGER a hazardous situation which if not avoided will result in death or serious injury AWARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION used A CAUTION with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury SKU 37025 For technical questions please call 1 800 444 3353 NOTICE is used to NOTICE address practices not related to personal injury CAUTION CAUTION without the safety alert symbol is used to address practices not related to personal injury IMPORTANT SAFETY INSTRUCTIONS INSTRUCTIONS PERTAINING TO A RISK OF FIRE ELECTRIC SHOCK OR INJURY TO PERSONS WARNING When using tools basic precautions should always be followed including the following General To reduce the risks of electric shock fire and injury to persons read all the instructions before using the tool Work area a Keep the work area clean and well lighted Cluttered benches and dark areas increase the risks of electric shock fire and injury to persons b Do not operate the tool in explosive atmospheres such as in the presence of flammable liquids gases or dust
14. in addition to the regular checks and maintenance explained as part of the regular operation of the air operated tool Changing the Blasting Medium It is not necessary to remove the blasting medium from the Hopper 1A after every use However clean out the Hopper when a different blasting medium is to be used To clean the Hopper Page 12 For technical questions please call 1 800 444 3353 1 Pour excess blasting medium out of the Hopper 1A and into a container such as a five gallon bucket sold separately 2 Disconnect the Abrasive Supply Hose 4A from the Bleeder Valve 2A and the Discharge Gun 6A 3 To clear medium from the hose use your compressor to blow air through the Abrasive Supply Hose into the container holding the excess blasting medium CAUTION Wear protective clothing a NIOSH approved face mask and ANSI approved goggles when performing this operation 4 When the Hopper is clean reassemble the Abrasive Supply Hose and Gun and fill the Hopper with new blasting medium Seals Sandblasting is a damaging operation In time the internal parts of the Discharge Gun 6A will become worn When performance of the Discharge Gun decreases take it to a qualified service technician for repair There are no serviceable parts for this tool Daily Air Supply Maintenance 1 Every day perform maintenance on the air supply according to the component manufacturers instructions The
15. ir supply even if the air hose is ruptured The shutoff valve should be a ball valve because it can be closed quickly Note An oiler system should not be used with this tool The oil will mix with the material being propelled causing poor gun plugging 2 Attach an air hose to the compressor s air outlet Connect air hose to the air inlet of the tool Other components such as a coupler plug and quick coupler will make operation more efficient but are not required A WARNING TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION Do not install a female quick SKU 37025 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 The air hose must be long enough to reach the work area with enough extra length to allow free movement while working Release the Trigger to turn the tool off Close the in line safety valve between the compressor and the tool Turn on the air compressor according to the manufacturer s directions and allow it to build up pressure until it cycles off Adjust the air compressor s output regulator so that the air output is enough to properly power the tool but the output will not exceed the tool s maximum air pressure of 120 PSI at any time Adjust the pressure gradu
16. 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 SKU 37025 2 Prior to storage with a soft brush remove any contamination build up beneath the Trigger and Valve Stem 14 exploded diagram dismantle the gun clean interoir using compressed air add a few drops of air tool oil to all moving parts and re assemble Replace any damaged components 3 As supplied air is dry internal P y 9 moving components of the gun require regular lubrication Using the Troubleshooting Possible Causes Likely Solutions Decreased output 1 Not enough air pressure 1 Check for loose connections and make sure or air flow that air supply is providing enough air flow CFM at required pressure PSI to the tool s air inlet Do not exceed maximum air pressure 2 Clean around trigger to ensure free movement 3 Clean air inlet screen of buildup 2 Obstructed trigger 3 Blocked air inlet screen if equipped 4 Air leaking from housing 4 Make sure housing components are properly assembled and tight 5 Clean and lubricate mechanism Install in line filter in air supply as stated in Initial Set Up Air Supply during use mechanism and replace parts as needed Severe air 1 Cross threaded housing 1 Check for incorrect alignment and uneven leakage components gaps If cross threaded disass
17. rasive Supply Connection Trigger Discharge Gun 6A Air Inlet Lock Nut 3A 5A Figure 1 Page 8 For technical questions please call 1 800 444 3353 INITIAL TOOL SET UP ASSEMBLY 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 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 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 This air tool may be shipped with a protective plug covering the air inlet Remove this plug before set up Air Supply TO PREVENT AWARNING EXPLOSION Use only clean dry regulated compressed air to power this tool Do not use oxygen carbon dioxide combustible gases or any other bottled gas as a power source for this tool SKU 37025 Coupler Coupler Plug Plug Iti 1 T4 uic Coupler Nair Hose Coupler Regulator with Pressure Gauge Recommended Air Line Components 1 Incorporate a filter regulator with pressure gauge dryer in line shutoff valve and quick coupler for best service as shown in the diagram above An in line shutoff ball valve is an important safety device because it controls the a
18. rce to accomplish the task verify that the tool receives sufficient unobstructed airflow CFM and increase the pressure PSI output of the regulator up to the maximum air pressure rating of this tool 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 airflow then a larger tool may be required To prevent accidents release the Trigger detach the air supply safely discharge any residual air pressure in the airline and release the trigger after use Clean external surfaces of the tool with a clean dry cloth Then store the tool indoors out of children s reach SKU 37025 For technical questions please call 1 800 444 3353 Page 11 USER MAINTENANCE INSTRUCTIONS Procedures not specifically explained in this manual must be performed only by a qualified technician TO PREVENT AWARNING serious INJURY FROM ACCIDENTAL OPERATION Turn off the tool detach the air supply safely discharge any residual air pressure in the tool and release the trigger 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 the problem corrected before further use Cleaning Maintenance and Lubrication Note These procedures are
19. the hands arms and shoulders To reduce the risk of vibration related injury 1 For technical questions please call 1 800 444 3353 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 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 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 Include vibration free periods each day of work Grip tool as lightly as possible while still keeping safe control of it Let the tool do the work To reduce vibration maintain tool as explained in this manual If abnormal vibration occurs stop immediately SAVE THESE INSTRUCTIONS Page 7 FUNCTIONAL DESCRIPTION Specifications Compressor 1 HP or larger Requirements compressor Air Inlet 1 4 NPT Avera i Components and Controls Hopper 1A Abrasive Supply Hose 4A Ab
20. ual Improper adjustment can result in tool failure or other serious hazards Assembly 1 Insert the Bleeder Valve 2A from inside the Hopper 1A through the hole at the bottom of the Hopper 2 From the outside of the Hopper thread the Lock Nut 3A onto the Bleeder Valve 3 Push one end of the Abrasive Supply Hose 4A onto the end of the Bleeder Valve making sure that the Hose is not covering the air flow hole on the Bleeder Valve 4 Slide the other end of the Abrasive Supply Hose onto the Abrasive Supply Hose Connection on the Discharge Gun 64 5 Attach the Air Inlet 5A to the bottom of the Discharge Gun handle 6 Inspect all the fittings to ensure that they are secure Work Piece and Work Area Set Up 1 Designate a work area that is clean and well lit The work area must not allow access by children or pets to prevent distraction and injury 2 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 3 There must not be hazardous objects such as utility lines or foreign objects nearby that will present a hazard while working Page 10 For technical questions please call 1 800 444 3353 SKU 37025 GENERAL INSTRUCTIONS WARNING Wear ANSI approved safety goggles glov
21. uestions please call 1 800 444 3353 Prohibit the use of silica sand or other substances containing more than 1 crystalline silica as an abrasive blasting material and SKU 37025 10 substitute with less hazardous materials Conduct air monitoring to measure worker exposures Use containment methods such as blast cleaning machines and cabinets to control the hazard and protect adjacent workers from exposure Practice good personal hygiene to avoid unnecessary exposure to silica dust Wear washable or disposable protective clothes at the work site Shower and change into clean clothes before leaving the work site to prevent contamination of cars homes and other work areas Use respiratory protection when source controls cannot keep silica exposures below the NIOSH REL Provide periodic medical examinations for all workers who may be exposed to crystalline silica Post signs to warn workers about the hazard and to inform them about required protective equipment Provide workers with training that includes information about health effects work practices and protective equipment for crystalline silica Report all cases of silicosis to State health departments and to OSHA or the Mine Safety and Health Administration MSHA Vibration Precautions This tool vibrates during use Repeated or long term exposure to vibration may cause temporary or SKU 37025 permanent physical injury particularly to
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