Harbor Freight Tools 91773 User's Manual
Contents
1. noise vibration or leaking air occurs have the problem corrected before further use 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 Page 12 For technical questions please call 1 800 444 3353 Daily Air Supply Maintenance Every day perform maintenance on the air supply according to the 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 After each use wipe off the tool clean out any accumulated saw dust and replace the sandpaper as needed If the Trigger 26 begins to stick apply few drops of oil and pump the Trigger to distribute the oil REV 10f SKU 91773 Troubleshooting Possible Causes Likely Solutions Decreased output 1 Not enough air pressure 1 Check for loose connections and make sure that air Housing heats during use Sev2. 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 way not specifically explained within this manual Improper adjustment can result in tool failure or other serious hazards Figure 3 1 Pull up on the tension bar at each end of the Sander Tension bar Screwdriver Figure 4 Installing Sandpaper 2 Center the Sander over the back side 2 3 4 x 17 1 2 strips of sandpaper sold separately Item 5263 are used with this Inline Sander The sandpaper is held in place at each end of the Sander with toothed clamps and a tension bar Page 10 For technical questions please call 1 800 444 3353 of the sandpaper Slide one end of the Sandpaper under the teeth Hold in place with a screwdriver sold separately and lower the tension bar to secure the end Check that the sandpaper is aligned along the length of the sanding pad and slide the sandpaper under the teeth at the other end of the Sander pushing the Sander towards the clamped end to REV 10f SKU 91773 make sure the sandpaper is taut Hold in place with the screwdriver and lower the tension bar To remove the sandpaper pull up on the tension bar at each end of the Inline Sander and pull out the sandpaper Work Piece and Work Area Set Up Designate a work area
3. that is clean and well lit The work area must not allow access by children or pets to prevent distraction and injury Route the air hose along a safe path 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 lines or foreign objects nearby that will present a hazard while working General Operating Instructions Identify the area you will be sanding Make sure you are using the appropriate grit sandpaper for the job Clear any objects from the area you will be sanding Install a sheet of sandpaper onto the Sander Connect the Sander to the air compressor s hose If leaking is detected disconnect the air hose and repair before use REV 10f SKU 91773 Firmly grip the Handle 27 with one hand and the Knob 22 your other hand Depress the Trigger 26 before making contact with the work surface to ensure the Inline Sander does not jump from your hands Move the Inline Sander along the work surface in smooth steady motion Do not stay in any one area for more than a few seconds at a time Sand in random directions to avoid sanding a pattern into your work surface Do not put too much pressure
4. 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 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 SKU 91773 that common sense and caution are factors which cannot be built into this product but must be supplied by the operator SAVE THESE INSTRUCTIONS REV 10f SKU 91773 For technical questions please call 1 800 444 3353 Page 7 __FUNCTIONAL DESCRIPTION Unpacking Specifications When unpacking make sure that the Specifications item is intact and undamaged If any parts Operating Air Pressure 90 PSI are missing or broken please call Harbor 1 4 18 NPT Freight Tools
5. CENTRAL 2 3 4 X 17 1 2 AIR INLINE SANDER 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 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 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 Manual Revised 10f CONTENTS SAFETY ALERT SYMBOL AND SIGNAL 5 3 IMPORTANT SAFETY 5 3 GENERAL cccssssssssssseccsssssecessseesssssseesee 3 WORK AREA ccsssssssssssssssssssecssssssecesssss 3 PERSONAL 3 TOOL USE AND 4 SERVICE 5 AIR 5 44 44 5 SYMBOLS AND SPECIFIC SAFETY INSTRUCTIONS 5 SYMBOL 5 FUNCTIONAL DESCRIPTION 8 SPECIFICATIONS 8 COMPONENT
6. S AND CONTROLG 8 UNPACKING ccsssssssssssesccssssecssssseccssnssess 8 AIR 5 2 12 4 8 OPERATING INSTRUCTIONS 10 TOOL SET 10 INSTALLING SANDPAPER 10 WORK PIECE AND WORK AREA SET UP 11 GENERAL OPERATING INSTRUCTIONS 11 USER MAINTENANCE INSTRUCTIONS 12 CLEANING MAINTENANCE AND 12 13 PARTS LIST AND ASSEMBLY 14 LIMITED 1 YEAR WARRANTY 15 Page 2 For technical questions please call 1 800 444 3353 SKU 91773 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 the 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 a A DANGER haza
7. at 1 800 444 3353 as soon as possible Maximum Speed 3 000 SPM 5 SCFM 90 PSI e This air tool may be shipped with a protective plug covering the air inlet Remove this plug before set up Recommended Hose 3 8 Dia Size sold separately Item 5263 JOPREYENT Maximum speed at stated maximum air pressure Excess AWARN EXPLOSION air pressure is hazardous and may cause the tool to exceed stated maximum speed Use only clean dry regulated compressed air to power this Components and Controls tool Do not use oxygen carbon Trigger 26 dioxide combustible gases or any other bottled gas as a power source for this tool Handle 27 Knob 22 N Coupler Coupler Plug Plug Quick Coupler Figure 1 NITIAL TOOL SET UP ASSEMBLY Read the ENTIRE IMPORTANT Quick A SAFETY INFORMATION Coupler Regulator with section at the beginning of this Pressure Gauge Recommended Air Line Components manual including all text under subheadings therein before set up or use of this product 1 Incorporate a filter regulator with pressure gauge oiler 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 air supply even if the air hose is ruptured The shutoff valve should be REV 10f Note For additional information regarding the parts listed in the following pa
8. ear eye protection 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 trigger does not turn the tool on or off Any tool that cannot be controlled with the trigger 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 throttle and or turn the switch to its off position 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 a cutting tool sharp and clean A properly maintained tool with sharp cutting edges reduces the risk of binding and 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 If damaged have the tool serviced before using Many accidents are caused by poorly maintained tools There is a risk of bursting if the tool is damaged Use only accessories that are identified by the manu
9. ere air or air flow Obstructed trigger Incorrect lubrication or not enough lubrication Blocked air inlet screen if equipped Incorrect lubrication or not enough lubrication Worn parts Cross threaded housing supply is providing enough air flow CFM at required pressure PSI to the tool s air inlet Do not exceed 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 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 leakage components Slight air leakage is normal especially on older tools cross threaded disassemble and replace damaged parts before use Tighten housing assembly If housing cannot tighten properly internal parts may be misaligned Damaged valve or housing 3 Replace damaged components 4 Dirty worn or damaged valve 4 Clean or replace valve assembly Decreased sanding Dull or caked sandpaper Replace sandpaper performance Loose housing Follow all safety precautions when
10. ever diagnosing or servicing the tool Disconnect air supply before service 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 BUYERASSUMES 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 10f SKU 91773 For technical questions please call 1 800 444 3353 Page 13 PARTS LIST AND ASSEMBLY DIAGRAM Part 6 O Ring 2 8 Switch ControlBat_ Tt 9 O Ring 11 14 WearButton 8 Page 14 For technical questions please call 1 800 444 3353 Part 31 18 REV 10f SKU 91773 LIMITED 1 YEAR 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 wo
11. facturer for the specific tool model Use of an accessory not intended for use with the REV 10f SKU 91773 specific tool model increases the risk of SYMBOLS AND SPECIFIC injury to persons SAFETY INSTRUCTIONS Service Tool service must be performed only Symbol Definitions by qualified repair personnel Symbol Property or statement When servicing a tool use only Revolutions or reciprocation per minute identical replacement parts Use only PSI Pounds per square inch of pressure authorized parts Use only the lubricants supplied Cubic Feet per Minute flow with the tool or specified by the Cubic Feet per Minute flow at standard SCFM manufacturer Air source National pipe thread tapered Never connect to an air NPS National pipe thread straight source that is capable of exceeding 200 psi Over WARNING marking concerning Risk of 9 Eye Injury Wear ANSI approved eye pressurizing the tool may protection cause bursting abnormal operation breakage of the tool or serious injury to WARNING marking concerning Risk of persons Use only clean dry regulated Hearing Loss Wear hearing protection compressed air at the rated pressure or WARNING marking concerning Risk within the rated pressure range as of Respiratory Injury Wear NIOSH approved dust mask respirator WARNING marking concerning Risk of Explosion marked on the tool Always verify prior to using the tool that the air source has been ad
12. ges refer to the Assembly Diagram near the end of this manual Page 8 For technical questions please call 1 800 444 3353 SKU 91773 a ball valve because it can be closed quickly Note If an automatic oiler system is not used add a few drops of Pneumatic Tool Oil to the airline connection before 8 operation Add a few more drops after each hour of continual use 2 Attach an air hose to the compressor s air outlet Connect the 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 pressure of 90 PSI at any time Adjust the pressure gradually 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 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 Note Residual air pressure should not be AWARNING 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 air
13. hose must be long enough to reach the work area with enough extra length to allow free movement while working 4 Turn the tool s throttle or switch to the off position refer to Operation section for description of controls 5 Close the in line shutoff valve between the compressor and the tool 6 Turn on the air compressor according to the manufacturer s directions and allow it to build up pressure until it cycles off 7 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 REV 10f SKU 91773 For technical questions please call 1 800 444 3353 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 Page 9 OPERATING INSTRUCTIONS Read the ENTIRE IMPORTANT A SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up 2 Clamp or use of this product Inspect tool before use looking for damaged loose and missing parts If any problems are found do not use tool until repaired Figure 2 To Install the sandpaper Tool Set Up TO PREVENT AWARNING SERIOUS INJURY FROM ACCIDENTAL OPERATION Turn off the tool detach the air supply
14. ific 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 g pdividually as replacement parts SKU 91773 For technical questions please call 1 800 444 3353 Page 15
15. ilated 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 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 8 25249 5 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 Attach all accessories properly to the tool before connecting the air supply A loose accessory may detach or break during operation Install an in line shutoff valve to allow immediate control over the air supply in an emergency even if a hose is ruptured Page 6 Vibration Precautions 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 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
16. justed to the rated air pressure or within the rated air pressure range Never use oxygen carbon dioxide Specific Safety Instructions combustible gases or any bottled gas as an air source for the tool Such 1 Read and understand this instruction gases are capable of explosion and manual before product use PENSONS 2 Wear ANSI approved hearing and eye protection during use Wear safety SAVE TH ESE goggles and heavy duty work gloves INSTRUCTIONS during attachment and removal of sandpaper 3 Clamp workpiece securely before sanding 4 Use this tool with both hands only Using tools with only one hand can result in loss of control REV 10f SKU 91773 For technical questions please call 1 800 444 3353 Page 5 Do not lay the tool down until it has come to acomplete stop Moving parts can grab the surface and pull the tool out of your control WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are e Lead from lead based paints e Crystalline silica from bricks and cement or other masonry products e 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 vent
17. on the Inline Sander while you are sanding Let the weight of the tool do the work for you If the Inline Sander stalls while you are using it release the Trigger immediately If the tool requires more force 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 90 PSI CAUTION TO PREVENT TOOL AND ACCESSORY FAILURE RESULTING IN INJURY Do not exceed the tool s maximum air pressure rating To prevent accidents turn off the tool detach the air supply safely discharge any residual air pressure in the tool and release the throttle and or turn the switch to its off position after use Clean external surfaces of the tool with clean dry cloth and apply a thin coat of tool oil Then store the tool indoors out of children s reach 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 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
18. rdous 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 with ACAUTION the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to NOTICE address practices not related to personal injury REV 10f SKU 91773 CAUTION CAUTION without the safety alert symbol is used to address practices not related to personal injury IMPORTANT SAFETY INSTRUCTIONS INSTRUCTIONS PERTAINING TO ARISK 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 Keep the work area clean and well lighted Cluttered benches and dark areas increase the risks of electric shock fire and injury to persons Do not operate the tool in explosive atmospheres such as in the presence of flammable liquids gases or dust The tool is able to create sparks resulting in the ignition of the dust or fumes Keep bystanders children and visitors away while operating the tool Distractions are able to result in the loss of control of the tool Personal safety Stay alert Watch
19. rkmanship for the period of one year from the date of purchase 90 days if used by a professional contractor or if used as rental equipment This warranty does not apply to damage due directly or indirectly to misuse abuse negligence or accidents repairs or alterations outside our facilities 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 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 spec
20. what you are doing and use common sense when operating the tool Do not use the For technical questions please call 1 800 444 3353 Page 3 tool while tired or under the influence of drugs alcohol or medication A 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 Wear ANSI approved safety goggles 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 Page 4 For technical questions please call 1 800 444 3353 Always w
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