Central Pneumatic Air Compressor 93785 Air Compressor User Manual
Contents
1. 9 CHECKING THE 10 GENERAL OPERATING INSTRUCTIONS 11 EMERGENCY 2 12 MAINTENANCE AND 22 13 CLEANING MAINTENANCE AND 13 MAINTENANCE SCHEDULE 13 OIL 14 DRAINING MOISTURE FROM THE ae 14 AIR FILTER MAINTENANCE 14 15 PARTS 17 SKU 93785 For technical questions please call 1 800 444 3353 ASSEMBLY 18 LIMITED 90 DAY WARRANTY 19 Page 2 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 IMPORTANT SAFETY INFORMATION 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 4 DANGER a hazardous situat2. For technical questions please call 1 800 444 3353 and changing accessories Keep the outside surfaces dry clean and free from oil and grease Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the compressor pump s operation If damaged have the compressor pump repaired before use Many accidents are caused by a poorly maintained compressor pump Use the compressor pump in accordance with these instructions taking into account the working conditions and the work to be performed Use of the compressor pump for operations different from those intended could result in a hazardous situation Service Have your compressor pump serviced by a qualified repair person using only identical replacement parts This will ensure that the safety of the compressor pump is maintained Compressor Pump Safety Warnings Wear ANSI approved safety goggles during use Install pulley and belt safety guard before use Before first and every use verify Pump has sufficient oil The use of accessories or attachments not recommended by the manufacturer may result in a risk of injury to persons Page 4 5 Misalignment between Motor Air Compressor Safety Warnings and Pump can damage the Belt Wheel Use a straight edge such 1 of fire or explosion Do not as a yardstick to check and adjust spray flammable liquid in a confined alignment as needed area or to
3. 10 Use Safety Guard for Pulleys The Operating with low or no oil causes Air Compressor Belt Wheel 35 permanent damage and voids V belt not supplied and motor warranty pulley not supplied must be covered by a safety guard not supplied Do not remove the valve cover or covering all moving elements before adjust internal components operation 10 Do not use the air hose to move the 11 Avoid burns The Cylinder 12 compressor Cylinder Head 5 and Air Outlet 6 Release the pressure in the storage become very hot during operation Do tank before moving not touch 12 The use of accessories or attachments not recommended by REV 09 SKU 93785 For technical questions please call 1 800 444 3353 Page 5 the manufacturer may result in a risk of injury to persons 13 All air line components including hoses pipe connectors filters etc must be rated for a minimum working pressure of 150 of the maximum system pressure 14 USE OF AN EXTENSION CORD IS NOT RECOMMENDED If you choose to use an extension cord use the following guidelines RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS 120 VOLT NAMEPLATE AMPERES at full load 50 16 14 a Make sure your extension cord is in good condition b Be sure to use an extension cord which is heavy enough to carry the current your product will draw An undersized cord will cause a drop in line voltage resulting in loss of power a
4. Remove the Oil Drain Bolt allowing the oil to drain into the container When the oil is completely drained from the Pump replace the Oil Drain Bolt Fill the Pump with new compressor oil to the FULL level on the Oil Sight Glass Replace and tighten the Oil Breather Plug Clean off any spilled oil Discard the old oil according to local state and federal regulations Draining Moisture from the Tank For technical questions please call 1 800 444 3353 The Drain Valve is located under the Tank It must be accessed daily to release all trapped air and moisture from the Tank This will eliminate condensation which can cause tank corrosion REV 09 Page 14 Note Do not open the Drain Valve so that more than four threads are showing To empty the air and condensation a Make sure the Power switch of the compressor is off b Place a collection pan under the Drain Valve c Unthread the Drain Valve two or three turns ONLY d When all the pressure and moisture is released close the Drain Valve Air Filter Maintenance Check the Air Filter weekly to see if it needs replacement If working in dirty environments you may need to replace the filter more often To replace the Air Filter a Remove any cover that blocks access to the Air Filter b Remove the Air Filter Replace with a new Air Filter d Replace the cover SKU 93785 For technical questions please call 1 800 444 3
5. Page 20
6. has drained out Do not remove the Drain Valve Clean then store the Air Compressor indoors Emergency Depressurization If it is necessary to quickly depressurize the tank turn the motor OFF Then pull the Safety Valve to quickly release stored air pressure For technical questions please call 1 800 444 3353 MAINTENANCE AND SERVICING 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 and unplug the motor before performing any inspection maintenance or cleaning procedures TO PREVENT SERIOUS INJURY FROM MOTOR FAILURE Do not use damaged equipment If abnormal noise or vibration occurs have the problem corrected before further use Cleaning Maintenance and Lubrication BEFORE EACH USE inspect the general condition of the unit Check for loose hardware misalignment or binding of moving parts damaged belts cracked or broken parts damaged electrical wiring and any other condition that may affect its safe operation AFTER USE wipe external surfaces of the unit with a clean cloth AWARNING If the supply cord of this unit is damaged it must be replaced only by a qualified service technician REV 09 Page 13 Maintenance Schedule Following are general guidelines for maintenance checks of the unit Note The working environment and frequency of use
7. medication A moment of inattention REV 09 Page 3 b O a while operating a compressor pump may result in serious personal injury Use personal protective equipment Always wear eye protection Safety equipment such as a dust mask non skid safety shoes hard hat or hearing protection used for appropriate conditions will reduce personal injuries 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 must be NIOSH approved for the specific hazards in the work area Compressor Pump use and care Do not use the unit if its power switch does not turn it on and off Any tool that cannot be controlled with its power switch is dangerous and must be repaired b Disconnect the plug from the O d power source before making any adjustments changing accessories or storing the compressor pump Such preventive safety measures reduce the risk of starting the unit accidentally Store an idle compressor pump out of the reach of children and do not allow persons unfamiliar with the compressor pump or these instructions to operate it A compressor pump is dangerous in the hands of untrained users Maintain the compressor pump Keep the compressor pump clean for better and safer performance Follow instructions for lubricating REV 09 SKU 93785
8. 353 Page 15 Compressor does not start or restart Compressor builds pressure too slowly Compressor not building enough air pressure High Oil Consumption Troubleshooting Possible Causes Likely Solutions Incorrect power supply No power at outlet Power cord not plugged in properly Thermal overload switch tripped Building power supply circuit tripped or blown fuse Tanks are pressurized Cord wire size is too small or cord is too long to properly power compressor Compressor needs service Incorrect power supply Crankcase overfilled with oil or oil too thick Working environment too cold Safety valve needs service Loose fittings Filters need cleaning replacing Crankcase oil too thick Check Valve needs service Compressor not large enough for job Loose fittings Hose or hose connections not adequate High altitude reducing air output Crankcase oil too thin Unit not on level surface Crankcase vent clogged Check that circuit matches compressor requirements Reset circuit breaker or have outlet serviced by a qualified technician Check that cord is plugged in securely Turn off Tool Turn off Compressor and wait for it to cool down Press reset button Resume operation Reset circuit or replace fuse Check for low voltage conditions It may be necessary to disconnect other electrical appl
9. CENTRAL PNEUMATIC 140 PSI TWIN CYLINDER AIR COMPRESSOR PUMP FOR 3 HP MOTOR 93785 SET UP AND OPERATING INSTRUCTIONS Visit our website at http www harborfreight com Read this material before using this product A Failure to do so can result in serious injury SAVE THIS MANUAL Copyright 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 Manual Revised 09 09k 5 IMPORTANT SAFETY 3 GENERAL SAFETY WARNINGG 3 COMPRESSOR PUMP SAFETY WARNINGS sssssscssssssscssseecssenseees 4 AIR COMPRESSOR SAFETY WARNINGS sssssscssssesccssseesssssseees 5 GROUNDING FOR MOTOR 7 5 20 7 8 8 8 INSTRUCTIONS FOR PUTTING INTO USE 8 FUNCTIONS scccssssssssssssssssssseesssssseees 8 COMPRESSOR AREA SET UP 8 INSTALLATION
10. 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 REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO PARTS LIST Qty Description Description 6 AirOutlet 8 ValveSeat 9 GasketValveSeat_ Spring Washer 1 REV 09 SKU 93785 For technical questions please call 1 800 444 3353 Page 18 ASSEMBLY DIAGRAM 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 mare SKU 93785 For technical questions please call 1 800 444 3353 Page 19 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 outs
11. Tighten or replace belt guard Loose fittings Reduce air pressure then check all fittings with a soap solution for air leaks and tighten as needed Do not overtighten 5 Unit not on level surface 5 Reposition unit on a level surface Moisture in Too much moisture in air Install inline air filter dryer and or relocate to less humid discharge air environment Oil discharge 1 Crankcase oil too thin or 1 Drain oil and refill to proper level with recommended crankcase overfilled with oil oil 2 Crankcase vents clogged 2 Clean Crankcase vents Safety Valve pops Safety valve needs service Pull and release the test ring of safety valve If it still pops replace Reduce air pressure then check all fittings with a soap solution for air leaks and tighten as needed Do not overtighten Air leaks from tank Defective or rusted tank Have tank replaced by a qualified technician Follow all safety precautions whenever diagnosing or servicing the compressor Disconnect power supply before service REV 09 SKU 93785 For technical questions please call 1 800 444 3353 Page 17 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
12. agnosing or servicing the compressor Disconnect power supply before service SKU 93785 For technical questions please call 1 800 444 3353 REV 09 Page 16 Possible Causes Likely Solutions Overheating Filters need cleaning replacing 1 Check inlet and outlet filters Clean and or replace as needed Crankcase oil too thin or Drain oil and refill to proper level with recommended incorrect type oil Crankcase oil level too low Add oil to proper level check for leaks Unusually dusty environment Clean and or replace filters more often or move unit to cleaner environment Increase cord size or use shorter length extension too long to handle compressor cord or eliminate extension cord See Recommended Wire Gauge for Extension Cords in Safety section Unit not on level surface Reposition unit on a level surface Compressor Compressor not large enough Check if accessory SCFM is met by Compressor If starts and stops for the job Compressor doesn t reach accessory SCFM you need excessively a larger Compressor Loose fittings Reduce air pressure then check all fittings with a soap solution for air leaks and tighten as needed Do not overtighten Excessive noise Crankcase overfilled with oil Drain oil and refill to proper level with recommended or oil is incorrect thickness or oil type Crankcase oil level too low Add oil to proper level check for leaks Loose or damaged belt guard 3
13. am near 10 SCFM 40 PSI the end of this manual 8 SCFM 90 PSI 7 4 SCFM 115 PSI Functions SAE 30W non detergent Air Delivery 1050 RPM Air Compressor Oil Sold separately Cylinder SKU 95048 Head Flywheel 10 1 4 dia x 1 7 64 yw wide V groove Belt Type Mounting Hole Pattern 5 3 4 x 5 4 12 1 4 H x 6 3 4 W x 11 3 4 D Oil Breather Plug 15 Oil Type Air Filter 4 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 Figure 1 Oil Fill Screw Oil Sight 13 Glass 22 16 INSTRUCTIONS FOR Compressor Area Set Up PUTTING INTO USE Designate a work area that is clean Read the ENTIRE IMPORTANT and well lit The work area must not A SAFETY INFORMATION allow access by children or pets to section at the beginning of this prevent injury manual including all text under subheadings therein before set 2 Locate the Compressor Pump up or use of this product attachments on a flat level surface to ensure proper pump lubrication and TO PREVENT to prevent damage to the unit Keep AWARNING SERIOUS INJURY at least 12 of space around the unit FROM ACCIDENTAL to allow air circulation OPERATION Route the power cord from the motor to the grounded wall outlet along a safe
14. can affect how often you will need to check components and perform maintenance procedures Daily a Check for oil leaks Make sure all fasteners are tight Drain moisture from air tank Check for abnormal noise or Check oil level vibration Check for air leaks Inspect drive belt Wipe off any gil or dirt from the components Weekly a b Inspect Air Filter Inspect Oil Breather Plug 15 Monthly a b Inspect Safety Valve Check adjust belt tension Every 6 months or 100 Operation Hours To Replace Pump oil check for air leaks apply soapy water to joints while the tank is pressurized Look for air bubbles To clean the unit wipe with a damp cloth using a mild detergent or mild solvent Use Air Compressor Oil only sold separately SKU 95048 SKU 93785 Oil Maintenance Check the oil periodically for clarity Replace oil if it appears milky or if debris is present or every 6 months or 100 hours of runtime whichever comes first In harsh environments such as high heat or high humidity you will need to replace the oil more frequently WARNING Risk of personal injury hazard Allow Air Compressor to cool before changing the oil To drain the oil from the Pump Place a container under the Oil Drain Bolt 24 Remove the Oil Breather Plug 15 to allow air flow into the Pump
15. ely IMPORTANT Running the Air Compressor Pump with no oil or low oil will cause damage to the equipment and void the warranty Crankcase 16 Figure 2 The oil level should be at the center of the full level on the oil level sight glass as shown in Figure 2 above Add oil as needed to maintain this level Do not let the oil level go below the center dot LOW as shown above and do not overfill the oil so that it is above the center dot OVERFILL as shown above on the sight glass To add oil a Remove the Oil Fill Screw 13 16 Depending on the tool which you will be using with this compressor you b Using a funnel to avoid spills pour may need to incorporate additional enough oil into the Pump Crankcase components such as an in line oiler to reach the full level in the Oil a filter or a dryer Consult your air Sight Glass tool s manual for needed accessories c Replace the Oil Fill Screw 13 REV 09 SKU 93785 For technical questions please call 1 800 444 3353 Page 11 Note SAE 30W non detergent Air Compressor Oil sold separately is recommended for use with this pump If uncertain which oil to use please call Harbor Freight Tools customer service at 1 800 444 3353 for assistance Change the compressor oil after the first hour of use to remove any debris WARNING To prevent serious injury from burns Do not add or change the oil while the motor is in operation Allow the com
16. essor Pump until properly aligned and the belt is tight Recheck motor pulley V groove belt and Belt Wheel alignment 6 Use a pencil to mark through the Air Compressor Pump mounting holes onto the mounting surface 7 Move Air Compressor Pump and drill four 3 8 holes in mounting surface 8 Move the Air Compressor Pump back to its mounting position 9 Secure each corner of base with 3 8 diameter bolt washer lock washer and nut all not supplied REV 09 SKU 93785 For technical questions please call 1 800 444 3353 10 Mount the motor not supplied as recommended by the motor manufacturer Be sure that the motor is securely mounted 11 Make final alignment and adjust belt tension with the motor It may be necessary to loosen the motor mounting bolts to adjust the motor location To test the proper tension on the V belts press down on the belts they should not depress more than 1 2 inch at mid span Tighten all mounting hardware 12 Push down on Belt Wheel with your hand and tighten the Belt Wheel bolt Connect plumbing hardware not supplied from the male 14 TPI Air Outlet 6 to the air destination i e air pressure tank not supplied routing the tubing in the shortest possible path Install a safety guard not supplied that surrounds the Motor Pulley V belts and Belt Wheel This safety guard must cover all sides of the moving belts and pulleys It should have a clearance
17. iances from the circuit or move the compressor to its own circuit Fully bleed tanks of air Use larger diameter or shorter extension cord or eliminate extension cord See Recommended Wire Gauge for Extension Cords in Safety section Have unit inspected by a qualified technician Check that circuit matches compressor requirements Drain oil and refill to proper level with recommended oil Move unit to a warmer location Check that recommended oil is in crankcase Listen for air leaking from valve If leaking replace with identical valve with same rating Reduce air pressure then check all fittings with a soap solution for air leaks and tighten as needed Do not overtighten Check inlet and outlet filters Clean and or replace as needed Drain oil and refill to proper level with recommended oil Clean or replace as needed Check if accessory SCFM is met by Compressor If Compressor cannot supply enough air flow SCFM you need a larger Compressor Reduce air pressure then check all fittings with a soap solution for air leaks and tighten as needed Do not overtighten Replace with larger hose and or hose connections You may need a larger compressor if you are situated in a high altitude location Drain oil and refill to proper level with recommended oil Reposition unit on a level surface Clean Crankcase vent Follow all safety precautions whenever di
18. ide 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 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 93011 800 444 3353 SKU 93785 For technical questions please call 1 800 444 3353
19. ion 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 ACAUTION with the safety alert symbol indicates a hazardous situation which if SKU 93785 For technical questions please call 1 800 444 3353 not avoided could result in minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION CAUTION without the safety alert symbol is used to address practices not related to personal injury General Safety Warnings WARNING Read all safety warnings and instructions Failure to follow the warnings and instructions may result in electric shock fire and or serious injury Save all warnings and instructions for future reference 1 Work area safety a Keep work area clean and well lit Cluttered or dark areas invite accidents b Do not operate the Compressor Pump in explosive atmospheres such as in the presence of flammable liquids gases or dust Compressor motors produce sparks which may ignite the dust or fumes c Keep children and bystanders away from an operating compressor pump 2 Personal safety Stay alert watch what are doing and use common sense when operating this compressor pump Do not use this compressor pump while you are tired or under the influence of drugs alcohol or
20. nd overheating Table A shows the correct size to use depending on cord length and nameplate ampere rating If in doubt use the next heavier gauge The smaller the gauge number the heavier the cord 15 Industrial applications must follow OSHA guidelines 16 Maintain labels and nameplates on the compressor These carry important safety information If REV 09 SKU 93785 20 21 For technical questions please call 1 800 444 3353 unreadable or missing contact Harbor Freight Tools for a replacement This product is not a toy Keep it out of reach of children Operate unit on level surface Check oil level daily and fill to marked level if needed People with pacemakers should consult their physician s before use Electromagnetic fields in close proximity to heart pacemaker could cause pacemaker interference or pacemaker failure 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 By supplying this air compressor pump Harbor Freight Tools makes no representations and accepts no responsibility for the motor V belt enclosure or mounting surface not supplied by HFT which may be used in the installation You are strongly advised to have this pump properly installed by a qualified service technician using appropriate components in good condi
21. of about one inch from the moving parts The safety guard must be sturdy enough to prevent injury Note A qualified electrician must wire in a pressure switch control that turns off motor when the pump reaches the desired pressure 140 PSI or less Note Always install Air Compressor Pump to air tank that can withstand at least 140 PSI and has a safety valve Note A high low cut in cut out switch not included can be incorporated to operate a motor starter or motor Page 10 contractor for semi automatic control of air pressure in the vessel WARNING Avoid serious injuries Do not operate this Air Compressor Pump without a pulley guard in place Coupler Coupler Plug Plug DS Tool Quick Coupler Filter Coupler Regulator with Pressure Gauge Sample Air Line Setup Using the above diagram as a guide connect a regulator valve an inline shut off valve and a 1 4 NPT air hose to the Quick Coupler all sold separately The air hose must be long enough to reach the work area with enough extra length to allow free movement while working Note 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 a ball valve because it can be closed quickly Checking the Oil Check the oil level before operation Fill the Pump Crankcase with air SAE 30W non detergent compressor oil sold separat
22. path without creating a tripping Turn off and unplug the motor before assembling or making REV 09j 09k SKU 93785 For technical questions please call 1 800 444 3353 Page 8 hazard exposing the power cord to possible damage Assembly 1 sure that the inner faces of the wheel socket as well as the Crankshaft 29 are clean and free of burrs and roughness 2 Apply a thin layer of grease to the interior of the socket and with the ridge end of the beltway pointing towards the compressor slide the Belt Wheel 35 over the Crankshaft WARNING Do not force or hammer the Belt Wheel onto the Crankshaft Belt Wheel 35 Figure 2 3 Slide Washer 34 onto the Bolt 32 and insert the Bolt through Belt Wheel and thread into Crankshaft Tighten using Wrench not included See Figure 2 Note The Bolt is a left hand thread To fasten turn Bolt counterclockwise Installation Note Depending on your level of expertise you may wish to have a qualified technician perform this installation SKU 93785 For technical questions please call 1 800 444 3353 CAUTION Avoid damage to the Air Compressor Pump and other equipment Make sure the mounting surface on which the Air Compressor Pump is installed is flat level and strong enough to support the pump motor and tank 1 Place the Air Compressor Pump the mounting surface at the same level as the 3 HP motor used to drive it Note U
23. ponents to cool before replacing oil GENERAL 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 or use of this product 1 Close the Drain Valve 2 sure all nuts and bolts are tight 3 Check for oil leaks and check the oil level See Checking the Oil 4 Close the in line Shutoff Valve between the compressor and the air hose 5 sure the air tool s throttle or switch is in the off position 6 Connect the air tool to the air hose 7 Plug the Air Compressor Power Cord into a grounded 120 V electrical outlet REV 09 Open the in line Shutoff Valve Turn the Power Switch ON Allow the Air Compressor to build up pressure until it cycles off Check that the V belt does not vibrate and listen for abnormal noise air leaks or vibration If there is a problem turn power off and release air pressure from the line before attempting repairs Note At the beginning of the day s first use of the Air Compressor check for air leaks by applying soapy water to connections while the Air Compressor is pumping and after pressure cut out Look for air bubbles If air bubbles are present at connections tighten connections Do not use the air compressor unless all connections are air tight air leaks will cause the compressor to operate too often increasing wear on the com
24. pressor Note As long as the Power Switch is ON the operation of the Air Compressor is automatic controlled by an internal pressure switch The Compressor will turn on automatically when the air pressure drops to the minimum PSI as indicated on the Pressure Gauge and will turn off automatically when the air pressure reaches the maximum PSI as indicated IMPORTANT The internal pressure switch is not user adjustable do not make changes to the air pressure settings of the internal pressure switch Any change to the automatic pressure levels may cause excess pressure to accumulate causing a hazardous situation SKU 93785 For technical questions please call 1 800 444 3353 Page 12 20 SKU 93785 Adjust the Air Compressor s Pressure 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 at any time Turn the knob clockwise to increase the pressure and counter clockwise to decrease pressure Adjust the pressure gradually while checking the air output gauge to set the pressure Use the air tool as needed After the job is complete turn the Power Switch OFF Unplug the Air Compressor Close the in line Shutoff Valve Bleed air from the tool then disconnect the tool Turn the Drain Valve at the bottom of the Tank two turns to release any built up moisture and the internal tank pressure Close the valve after moisture
25. se a motor with the appropriate size pulley to get the Pump RPM Pump Pulley Motor Pulley Pump Pulley Dia 10 25 Calculation for Motor Pulley 10 25 x 1050 Motor Pump Pulley Dia x Pump RPM _ Pulley Motor RPM Dia To calculate the motor and motor pulley needed to power the pump multiply the Pump diameter 10 25 times the pump working RPM 1050 then divide by the engine RPM This will determine the motor pulley diameter in inches needed to run the unit For example If you have 1725 RPM motor to calculate the pulley diameter needed multiply 10 25 x 1050 then divide by 1725 which equals the motor pulley size of 6 24 Use the pulley size closest to this figure REV 09 Page 9 10 25 1050 1725 6 24 Or use the following equation if you have a 3450 RPM motor 10 25 x 1050 3450 2 10 1 4 inch V groove Belt Wheel 35 of the Air Compressor Pump must be in perfect alignment with the motor pulley not included 3 12 Note Ensure the Belt Wheel is installed for counter clockwise rotation when facing the Belt Wheel side of the Pump CAUTION Misalignment between Motor and Pump can damage the Belt Wheel Use a straight edge such as a yardstick to check and adjust alignment as needed 3 Verify that Belt Wheel turns freely where it overhangs mounting surface 4 Place a V groove belt not included over Belt Wheel 35 and motor pulley 5 Pull Compr
26. tion 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 Page 6 product but must be supplied by the operator SAVE THESE INSTRUCTIONS GROUNDING FOR MOTOR TO PREVENT AWARNING ELECTRIC SHOCK AND DEATH FROM INCORRECT GROUNDING WIRE CONNECTION 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 motor Never remove the grounding prong from the plug Do not use the motor if the power cord or plug is damaged If damaged have it repaired by a service facility before use If the plug will not fit the outlet have a proper outlet installed by a qualified electrician Symbology Double Insulated Canadian Standards Association Underwriters Laboratories Inc Volts Alternating Current No Load Revolutions per Minute No RPM REV 09 SKU 93785 For technical questions please call 1 800 444 3353 Page 7 SPECIFICATIONS any adjustments to the motor tank and or compressor i i ump Compressor Type 2 Twin pump Maximum Air Note For additional information regarding Pressure the parts listed in the following pages Maximum Speed 1200 RPM refer to the Assembly Diagr
27. wards a hot surface Spray area must be well ventilated Do not 6 Use proper size motor and motor smoke while spraying or spray where pulley This air compressor Pump spark or flame is present Arcing must be installed with a 3 HP electric parts Keep compressor at least 20 motor and pulley both not supplied feet away from explosive vapors which can turn the Air Compressor such as when spraying with a spray Belt Wheel at approximately 1050 gun rpm but not more than 1200 rpm Risk of bursting Do not adjust 7 Install motor pulley belt and pulley regulator higher than stated belt cover securely Be sure to use maximum pressure of attachment the proper size bolts to install your motor not included The belt and 3 of injury Do not direct air belt cover not included must be stream at people or animals strong enough 9 preveni breaking 4 To reduce the risk of electric shock and possible injury do not expose to rain Store indoors 8 Be sure all equipment is rated to the appropriate capacity of this a bar goggles pump Make sure that the lowest rated piece of equipment you 6 not use to supply breathing air using can handle the maximum pressure of the Air Compressor Pump 7 Drain Tank daily and after use see Specifications Internal rust causes tank failure and explosion 9 Do not direct the air outlet at any person or animal Add correct amount of compressor oil before first use and every use
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