Central Pneumatic Air Compressor 92504 Air Compressor User Manual
Contents
1. Running the Air Compressor with no oil or low oil will cause damage to the equipment and void its warranty When filling the Air Compressor with oil make sure to unscrew do not pull the Oil Fill Cap 28 to remove Fill with oil until the level of the oil rises to the midway point in the Oil Level Indicator 35 Then screw the Oil Fill Cap back onto the Oil Fill Hole See Figure F next page SKU 92504 For technical questions please call 1 800 444 3353 Page 12 4 NOTE Each time the Oil Fill Cap 28 is removed observe the PCV Filter 41 that is located inside the Oil Fill Cap When necessary remove the PCV Filter and clean with a mild solvent Allow the PCV Filter to dry Then replace the PCV Filter in the Oil Fill Cap and screw the Oil Fill Cap back onto the oil fill hole See Figure F a T PCV FILTER 41 FIGURE F 5 Weekly The Air Compressor is equipped with two Air Filters 38 which should be cleaned or replaced on a weekly basis To clean or replace the Air Filters unscrew and remove the Wing Nut 36 on the Air Filter Cap 37 Remove the Air Filter Cap Air Filter and Air Filter Bowl 39 Clean the Air Filter with compressed air or if necessary replace the old Air Filter with a new Air Filter Clean the Air Filter Cap and Air Filter Bowl with a mild solvent and then dry Then replace the Air Filter Bowl Air Filter Air Filter Cap and Wing Nut Repeat these procedures for the remaining Air Filter Se2. TopCover 9 PowerSwitth 17 Ring o o y O NOTE 2 2 Description Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts SKU 92504 For technical questions please call 1 800 444 3353 Page 16 ASSEMBLY DIAGRAM 10 11 12 13 NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts SKU 92504 For technical questions please call 1 800 444 3353 Page 17 WIRING DIAGRAM 2 ziw PRESSURE SWITCH E 2 J amp A I z a7 cai OVERLOAD PROTECTOR 2 30VE0 HZ l REV 05 06 SKU 92504 For technical questions please call 1 800 444 3353 Page 18
3. the Oil Fill Cap 28 to remove See Figure D SKU 92504 OIL FILL CAP BV ESSEREERES SBOeeer eeaeee ee OIL LEVEL OUTLET VALVE 4 FIGURE D For technical questions please call 1 800 444 3353 Page 8 Once the Oil Fill Cap 28 is removed fill the Air Compressor with a premium quality 30 weight non detergent oil until the level of the oil rises to the midway point in the Oil Level Indicator 85 Then screw the Oil Fill Cap back onto the Oil Fill Hole See Figure D To Mount The Air Compressor 1 For added safety it is recommended that the Air Compressor be mounted on a flat level sturdy concrete floor surface capable of withstanding the weight of the Air Compressor and any additional tools and accessories To mount the Air Compressor with assistance move the unit to the location where it is to be used Using the four 1 2 diameter mounting holes on the feet of the Air Compressor as a template mark the spots where four 1 2 diameter holes will be drilled in the concrete or wood floor Then temporarily set the Air Compressor aside Use a masonry drill bit to drill the four 1 2 diameter holes about 3 4 deep into the concrete Make sure to blow out the concrete dust from the drilled holes Set the Air Compressor back to the location where it is to be used and align the four 1 2 diameter mounting holes in its legs with the four predrilled 1 2 holes in the concrete or wood Then u
4. CARE 1 Do not force the compressor Use the correct compressor for your application The correct compressor will do the job better and safer at the rate for which it is designed Never attempt to force the compressor to provide more pressure than it was designed for 2 Do not use the compressor if the Power Switch does not turn it on or turn it off Any compressor that cannot be controlled with the Power Switch is dangerous and must be repaired or replaced 3 Disconnect the Power Cord Plug from the power source before making any adjustments changing accessories or storing the compressor Such preventive safety measures reduce the risk of starting the compressor accidentally 4 Keep idle compressors out of reach of children and other untrained persons Compressors are dangerous in the hands of untrained users 5 Maintain compressors with care Keep all components of this product clean and dry Do not use a damaged compressor Tag damaged compressors Do not use until repaired 6 Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the compressor s operation If damaged have the compressor serviced before using Many accidents are caused by poorly maintained compressors 7 Use only accessories that are recommended by the manufacturer for your model Accessories that may be suitable for one compressor may become hazardous when used on another compressor SERVICE ik C
5. CENTRAL PNEUMATIC r 240 VOLT COMPRESSOR 4 HP PEAK 29 GALLON OIL LUBRICATED Model 92504 ASSEMBLY AND OPERATING INSTRUCTIONS 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com Copyright 2005 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools For technical questions please call 1 800 444 3353 COVER REVISED 02 06 PRODUCT SPECIFICATIONS 240 V 60 Hz Single Phase 4 HP Peak Motor 3 HP Working 3 400 RPM 9 Load Amps Two Capacitor Run amp Start Overload Reset Button 15 Amp 12 Gauge 3 Wire Stripped 20 Ft Long Air Tank Capacity 29 Gallons 16 4 40 PSI 15 7 70 PSI CFM Airflow 14 5 90 PSI 13 0 115 PSI Air Pressure Gauge Indicators UNPACKING When unpacking check to make sure all the parts shown on the Parts List at the end of the manual are included If any parts are missing or broken please call Harbor Freight Tools at the number shown on the cover of this manual as soon as possible SAVE THIS MANUAL You will need this manual for the safety warnings and precautions assembly operating inspection maintenance and cleaning procedures parts list and assembly diagram Keep your invoice with this manual Write the invoice number on the inside of the front cover Keep this manual a
6. al known to the State of California to cause birth defects or other reproductive harm California Health amp Safety code 25249 5 et seq A warnine 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 SAVE THESE INSTRUCTIONS GROUNDING warnine The Power Cord 31 requires the attachment of a 240 volt grounded 3 Prong Plug not included For safety purposes only a qualified certified electrician should attach a Plug to the Power Cord Never modify the Plug in any way To comply with the National Electric Code and to provide additional protection from the risk of electrical shock this product should only be connected to a 240 volt electrical outlet that is properly grounded Do not use the tool if the Power Cord or Plug is damaged If damaged have it repaired by a qualified service facility before use SKU 92504 For technical questions please call 1 800 444 3353 Page 6 SYMBOLOGY G Canadian Standards Association Underwriters Laboratories Inc Volts Alternating Current A e O No Load Revolutions per nOxxxx min Minute RPM To extend the life of your air tools and equipment we recommend installing an oiler and water filter in series with the Air Outl
7. atic tool s or counterclockwise to decrease air pressure to the pneumatic tool s See Figure E To Use The Air Tank Safety Release Valve 1 The Safety Release Valve 3 is used when decompression is needed quickly and efficiently See Figure E To decompress the Air Tank 32 pressure press down on the Power Switch 9 to turn off the Air Compressor See Figure E Pull out on the Safety Release Valve Ring 3 to immediately release air pressure in the Air Tank 32 See Figure E To Use The Overload Reset Button The Air Compressor is equipped with an internal electrical circuit breaker which is designed to automatically shut off the Air Compressor in the event its Motor 14 becomes overheated or in the event of an electrical power outage See Figure E Should the Air Compressor automatically shut off press the Power Switch 9 down to its OFF position See Figure E Wait several minutes to allow the Air Compressors Motor 14 to cool if due to electrical power outage wait until power is resumed Press the Overload Reset Button 42 to reset the electrical circuit breaker If it does not reset wait a few additional minutes and try again Then pull up on the Power Switch 9 to its ON position to resume work See Figure E SKU 92504 For technical questions please call 1 800 444 3353 Page 11 To Turn Off The Air Compressor 1 When finished using the Air Compressor press down on i
8. away from the Large Belt Wheel until the V Belt deflects downward 3 4 Then retighten the four Screws 3 to secure the Motor 14 in place See Figures l and J MOTOR PULLEY FIGURE J ee eee 14 11 To clean use a shop vacuum cleaner or use compressed air 12 When storing make sure to keep the Air Compressor in a safe clean and dry location out of reach of children 13 A CAUTION All maintenance service or repairs not listed in this manu al are only to be attempted by a qualified service technician 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 SKU 92504 For technical questions please call 1 800 444 3353 Page 15 PARTS LIST Part Flat Washer 8 6 Pressure Adjustment Knob 8
9. e Figure G AIR FILTER AIR FILTER BOWL WING NUT 38 39 AIR FILTER CA 37 SKU 92504 For technical questions please call 1 800 444 3353 Page 13 6 To replace the V Belt The Air Compressor is equipped with a V Belt size A1168 Li To replace the V Belt remove the four Nuts 24 and four Flat Washers 23 on the Outer Guard Screen 25 Next remove the three Clips 84 located at the top of the Outer Guard Screen Then remove the Outer Guard Screen See Figure H CLIP CLIP OUTER GUARD 34 34 SCREEN 25 LARGE V BELT MOTOR BELT WHEEL 27 PULLEY 14 NUT 24 NUT 24 FLAT WASHER 23 FLAT WASHER 23 FIGURE H 7 Loosen the four Screws 30 that hold the Motor 14 in place Then slide the Motor toward the Large Belt Wheel to loosen the tension on the V Belt 27 See Figures H and l SIDE VIEW END VIEW SCREW SCREW 30 30 FIGURE I SKU 92504 For technical questions please call 1 800 444 3353 Page 14 8 Remove the loose V Belt 27 from the Large Belt Wheel and Motor Pulley 14 See Figure H 9 Install a new V Belt 27 on the Large Belt Wheel and Motor Pulley 14 See Figure H 10 Slide the Motor 14 back toward its original position to tighten the tension on the V Belt 27 NOTE To determine the proper tension on the V Belt with your index finger press down on the V Belt The V Belt should deflect downward about 3 4 If necessary move the Motor Pulley 14 toward or
10. er Cord away from heat oil sharp edges or moving parts Replace damaged Power Cords immediately Damaged Power Cords increase the risk of electric shock AN EXTENSION CORD MUST NEVER BE USED WITHTHIS ITEM Connecting this item to an outlet through an extension cord MAY CAUSE ELECTRICAL DAMAGE TO THE MOTOR and could present a FIRE HAZARD PERSONAL SAFETY Stay alert Watch what you are doing and use common sense during use Do not use while tired or under the influence of drugs alcohol or medication A moment of inattention while operating may result in serious personal injury Dress properly Do not wear loose clothing or jewelry Contain long hair Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts Avoid accidental starting Be sure the Power Switch is turned off before plugging in Plugging in compressors with the Power Switch on invites accidents Remove adjusting keys or wrenches before turning the compressor on A wrench or a key that is left attached to a rotating part of the compressor may result in personal injury Do not overreach Keep proper footing and balance at all times SKU 92504 For technical questions please call 1 800 444 3353 Page 3 6 Use safety equipment Always wear eye protection Make sure you are wearing your protective clothing safety glasses with side shields and dust mask or air respirator if appropriate TOOL USE AND
11. et Valves 4 of the Air Compressor See Figure C AIR COMPRESSOR EQUIPMENT OILER WATER FILTER FIGURE C ASSEMBLY INSTRUCTIONS To Attach A Power Cord Plug The Power Cord 31 requires the attachment of a 240 volt grounded 3 Prong Plug not included For safety purposes only a qualified certified electrician should attach a Plug to the Power Cord Never modify the Plug in any way To comply with the National Electric Code and to provide additional protection from the risk of electrical shock this product should only be connected to a 240 volt electrical SKU 92504 For technical questions please call 1 800 444 3353 Page 7 outlet that is properly grounded To Attach Quick Connectors Prior to use the Air Compressor requires the attachment of a 1 4 NPT Quick Connector not included to each of its two Air Outlet Valves 4 To do so wrap approximately 4 of pipe thread sealant tape not included around the male threads of the Quick Connectors Then firmly screw the Quick Connectors into the Air Outlet Valves See Figure D To Fill The Air Compressor With Oil 1 Prior to its first use and thereafter prior to each subsequent use make sure to fill the Air Compressor with a premium quality 30 weight non detergent oil Running the Air Compressor with no oil or low oil will cause damage to the equipment and void its warranty When filling the Air Compressor with oil make sure to unscrew do not pull
12. f the tool or equipment for its air pressure rating Always disconnect the Air Compressor from its electrical outlet release any remaining air pressure from the unit and disconnect all pneumatic tools and equipment from the unit before performing any services or maintenance Avoid injury Never direct the air jet at people or animals Inspect safety valve daily If the safety valve is not working properly tank pressure can build up to dangerous levels The tank could explode For this reason pull the ring on the safety valve before each use and verify that it operates freely Replace safety valve if it does not operate freely Never remove or alter the factory sealed Safety Release Valve Do not attempt to readjust the automatic start and shutoff valves Any change to the automatic ON OFF pressure levels will cause additional stress on the motor which may result in shortened motor life Drain the Air Compressor s air tank every day Do not allow moisture to build up inside the Air Tank Do not unscrew the tank drain valve so that more than four threads are showing Avoid risk of tank explosion a Avoid weakening of tank by draining condensation after each use b Never modify tank by drilling holes welding to it or modifying it s parts c The tank is designed and factory set to operate within a specific pressure range For that reason never make adjustments to or substitute parts to the compressor Avoid bodily in
13. jury from moving parts The compressor cycles on automatically without notice For this reason always keep hands and arms away from compressor SKU 92504 For technical questions please call 1 800 444 3353 Page 5 16 17 20 21 parts when the unit is connected to electrical power Always have compressor safety guards in place before turning compressor on Use approved air hose Never use plastic or PVC pipe unless specified for Air Compressors to carry air under pressure Regardless of its pressure rating it can burst under pressure Use only metal pipe Never plug the power cord of this product into an electrical outlet while standing on a wet or damp surface THIS AIR COMPRESSOR MAY REQUIRE A DEDICATED ELECTRICAL CIRCUIT AS THE AMPERAGE DRAW UNDER FULL LOAD COMBINED WITH USE OF ANY OTHER ITEM MAY OVERLOAD YOUR CIRCUIT Always turn off the Air Compressor in the event of a power failure Performance of this Air Compressor may vary depending on variations in local line voltage Maintain labels and nameplates on the Air Compressor These carry important information If unreadable or missing contact Harbor Freight Tools for a replacement A warnine People with pacemakers should consult their physician s before using this product Electromagnetic fields in close proximity to a heart pacemaker could cause interference to or failure of the pacemaker A warnine The brass components of this product contain lead a chemic
14. nd invoice in a safe and dry place for future reference GENERAL SAFETY RULES A warnine READ AND UNDERSTAND ALL INSTRUCTIONS Failure to follow all instructions listed below may result in electric shock fire and or serious injury SAVE THESE INSTRUCTIONS WORK AREA 1 Keep your work area clean and well lit Cluttered benches and dark areas invite accidents REV 02 06 SKU 92504 For technical questions please call 1 800 444 3353 Page 2 Do not operate compressors in explosive atmospheres such as in the presence of flammable liquids gases or dust Compressors create sparks which may ignite the dust or fumes Keep bystanders children and visitors away while operating a compressor Provide barriers or shields as needed ELECTRICAL SAFETY Grounded compressors must be plugged into an outlet properly installed and grounded in accordance with all codes and ordinances Never remove the grounding prong or modify the plug in any way Do not use any adapter plugs Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded If the compressors should electrically malfunction or break down grounding provides a low resistance path to carry electricity away from the user Do not expose compressors to rain or wet conditions Water entering an electric motor will increase the risk of electric shock Do not abuse the Power Cord Never use the Power Cord to pull the Plug from an outlet Keep the Pow
15. ompressor service must be performed only by qualified repair personnel Service or maintenance performed by unqualified personnel could result in a risk of injury 2 When servicing a compressor use only identical replacement parts Follow instructions in the Inspection Maintenance And Cleaning section of this manual Use of unauthorized parts or failure to follow maintenance instructions may create a risk of electric shock or injury SKU 92504 For technical questions please call 1 800 444 3353 Page 4 _ SPECIFIC SAFETY RULES _ ___ 10 11 12 CAUTION Prior to its first use and thereafter prior to each subsequent use make sure to fill the Air Compressor with a premium quality 30 weight non detergent oil to the specified level Running the Air Compressor with no oil or with low oil will cause damage to the equipment and void its warranty Refer to the Operating Instructions section for details on filling the Air Compressor with oil When filling the Air Compressor with oil make sure to unscrew do not pull the Oil Fill Cap to remove Use eye and ear protection Always wear ANSI approved safety impact eye goggles and ear plugs when using the Air Compressor Make sure all tools and equipment used with the Air Compressor are rated to the appropriate air pressure capacity of the Air Compressor Do not use any tool or equipment that does not operate from 0 115 PSI If necessary check the owner s manual o
16. re E 3 Turn the Pressure Adjustment Knob 6 clockwise about halfway to its ON position See Figure E 4 If using only one Air Outlet Valve 4 allow sufficient time for its Pressure Gauge 5 to indicate at least 80 PSI If using both Air Outlet Valves allow sufficient time for both Pressure Gauges 5 to indicate at least 80 PSI See Figure E OVERLOAD RESET BUTTON 42 41 4ge er PRESSURE GAUGE 5 AIR onesna oF OUTLET i anans gt AIR OUTLET VALVE VALVE LEVER OIL LEVEL INDICATOR S a AIR OUTLET VALVE 4 FIGURE E SKU 92504 For technical questions please call 1 800 444 3353 35 SAFETY RELEASE VALVE 3 AIR OUTLET VALVE 4 PRESSURE ADJUSTMENT KNOB 6 Page 10 Check to make sure the pneumatic tools that will be used are turned off and properly connected to their air hoses Once the Pressure Gauge 5 has reached at least 80 PSI turn the Lever on the Air Outlet Valve 4 forward to its open position in order to supply air to the pneumatic tool If both Air Outlet Valves are being used turn both Levers forward to their open positions See Figure E IMPORTANT Both Pressure Gauges 5 should always indicate the same PSI reading meaning that if two pneumatic tools are being hooked up to the Air Compressor both pneumatic tools should operate on the same PSI rating If necessary turn the Pressure Adjustment Knob 6 clockwise to increase air pressure to the pneum
17. se four minimum 3 long 1 2 diameter concrete anchor bolts or lag bolts not included to secure the Air Compressor to the concrete or wood floor OPERATING INSTRUCTIONS Air Compressor Pre Start Procedures 1 Press the Power Switch 9 down to its OFF position See Figure E next page Check the Oil Level Indicator 35 making sure the level of the oil is at the midway point in the Indicator See Figure E Check to make sure the Tank Drain Valve 33 is fully closed NOTE The Tank Drain Valve is located at the bottom of the Air Tank 32 See Assy Diagram Turn the Pressure Adjustment Knob 6 counterclockwise all the way to its OFF position See Figure E Turn each Lever on the two Air Outlet Valves 4 backward to their closed position See Figure E SKU 92504 For technical questions please call 1 800 444 3353 Page 9 6 If using only one of the two Air Outlet Valves 4 attach an air hose not included to the Air Outlet Valve Then attach the other end of the air hose to the pneumatic tool that will be used If using both Air Outlet Valves simultaneously attach an air hose to each Air Outlet Valve Then attach the other ends of the air hoses to their respective pneumatic tools See Figure E To Start The Air Compressor if Plug the Power Cord Plug 31 into the nearest 220 volt grounded electrical outlet 2 Pull up on the Power Switch 9 to its ON position See Figu
18. ts Power Switch 9 to turn off the unit See Figure E Disconnect the Power Cord Plug 31 from its electrical outlet Turn on the pneumatic tools to expend all remaining compressed air from the Air Compressor air hoses and pneumatic tools Turn the Pressure Adjustment Knob 6 counterclockwise all the way to its OFF position See Figure E Turn each Lever on the two Air Outlet Valves 4 backward to their closed position See Figure E Disconnect the air hoses from the Air Outlet Valves 4 See Figure E Disconnect the air hoses from the pneumatic tools Then keep the air hoses and pneumatic tools in a clean dry location out of reach of children INSPECTION MAINTENANCE AND CLEANING 1 Z warnina Always make sure the Power Switch 9 is in its OFF position the Air Compressor is disconnected from its electrical outlet and all remaining compressed air is expelled from the system before performing any inspection maintenance or cleaning Before each use Inspect the general condition of the Air Compressor Check for misalignment or binding of moving parts cracked or broken parts loose or damaged connections and any other condition that may affect its safe operation If abnormal noise or vibration occurs have the problem corrected before further use Do not use damaged equipment Before each use Make sure to fill the Air Compressor with a premium quality 30 weight non detergent oil
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