Harbor Freight Tools 94724 Air Compressor User Manual
Contents
1. on page 7 INSPECTION AND MAINTENANCE A WARNING Always unplug the Air Compressor from its electrical outlet 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 damaged wiring damaged air hose 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 Daily before switching the compressor on Make sure the level of compressor oil is adequate For instructions on checking and if necessary filling the Air Compressor with oil see pages 10 and 11 of this manual Daily Purge the Tank 55 daily of all air and moisture to prevent corrosion To do so unscrew the Drain Valve 67 two to three turns Do not unscrew the Drain Valve more than three turns When all the air pressure and moisture is released from the Tank retighten the Tank Drain Valve See Figure F Store the Air Compressor in a clean dry location SKU 94724 For technical questions please call 1 800 444 3353 Page 13 PARTS LIST Rotor Washer 6 Bolt 2 C s 6 18 Rod Connecting 1 52 Bolt oo oo doal 4 20 23 Eccentric 1 57 Grip Handle 25 Screw Eccentric lt 1 59 Nut Compression 2 26 Bot 8 60 P2. automatic pressure levels may cause excess pressure to accumulate causing a hazardous situation See Figure F SKU 94724 For technical questions please call 1 800 444 3353 Page 12 NOTE If it is necessary to quickly depressurize the Air Compressor turn off the Air Compressor by pushing DOWN on the On Off Pressure Switch 50 Then pull OUT on the ring on the Safety Valve 51 to quickly release stored air pres sure See Figure D When finished using the Air Compressor turn it off by pushing DOWN on the On Off Pressure Switch 50 Unplug the Power Cord 49 from its electrical outlet Squeeze the trigger on the air tool being used to release all stored air pressure from the system and disconnect the air hose and air tool from the Air Compressor Then open the Drain Valve 67 to release all remaining com pressed air from the Tank Assembly 55 See Figure F NOTE The Air Compressor is equipped with a Protector 45 button Should the Air Compressor overheat while in use the machine will automatically shut down If this happens push DOWN on the On Off Pressure Switch 50 Wait for the unit to cool off usually 5 10 minutes Then press the Protector 45 button and pull UP on the On Off Power Switch 50 to restart the Air Compressor If overheating is a reoccurring problem make certain that the extension cord used is of the proper gauge and length for this unit s power requirements as explained
3. CENTRAL PNEUMATIC F aa NYA 2 GALLON 1 5 HP AIR COMPRESSOR OPERATING INSTRUCTIONS 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com Copyright 2006 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 PRODUCT SPECIFICATIONS x C m Deseo 1 1 2 HP Motor 120 V 60 Hz 3450 RPM 16 6 Amps startup 8 8 Amps running Thermal Overload Protection 6 foot long 14 AWG Power Cord Maximum PSI 115 PSI Electrical Requirements Air Delivery 3 4 SCFM 40 PSI 2 4 SCFM 90 PSI Air Tank Capacity 2 Gallons Automatic Shut Off 115 PSI Automatic Restart 85 PSI Air Outlet Size 1 4 18 NPT Male Threads Net Weight 32 7 Pounds Automatic Pressure Controls 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 and invoice in a safe and dry place for future reference GENERAL SAFETY RULES A WARNING READ AND UNDERSTAND ALL INSTRUCTIONS Failure to follow all instructions listed below may result in elect
4. If our inspection NI verifies the defect we will either repair or replace the product at our election or we may elect to refund the purchase SS AN price if we cannot readily and quickly provide you with a replacement We will return repaired products at our WAY os expense but if we determine there is no defect or that the defect resulted from causes not within the scope of xG A our warranty then you must bear the cost of returning the product Y PX PLA This warranty gives you specific legal rights and you may also have other rights which vary from state to state Z VZ WS RG 3491 Mission Oaks Blvd PO Box 6009 Camarillo CA 93011 800 444 3353 NA a KN SS NS OSS SONS SSS lt gt Z pu SN OSS NO AAU YANAY NASA NSS TINTING AINSI LONAN Na NANSA Z NA SAE SBC SKU 94724 For technical questions please call 1 800 444 3353 Page 16
5. OSITION AIR OPEN POSITION OUTLET VALVE 48 CONNECT AIR HOSE HERE FIGURE E SKU 94724 For technical questions please call 1 800 444 3353 Page 11 3 Make sure the Tank Drain Valve 67 is closed See Figure F 4 Make sure the On Off Pressure Switch C is DOWN in its OFF position Then plug the Power Cord D into the nearest 120 volt grounded electrical outlet See Figure F 5 Pull UP on the On Off Pressure Switch C to start the Air Compressor See Figure F AIR FILTER KIT 31 ON OFF PRESSURE SWITCH 50 AIR OUTLET l OIL FILL VALVE 48 CAP 11 OIL SIGHT AUGE 1 PRESSURE Seen GAUGE 47 TANK ASSEMBLY 55 DRAIN VALVE 67 FIGURE F 6 Allow the Air Compressor to build up from 85 PSI to 115 PSI as indicated on the Pressure Gauge 47 When the air pressure reaches 85 PSI open the Air Outlet Valve 48 to allow the air hose and air tool to become pressurized See Figure F T As long as the On Off Pressure Switch 50 is in its ON position the operation of the Air Compressor is automatic controlled by an internal pressure switch The Air Compressor will turn on automatically when the air pressure drops to 85 PSI as indicated on the Pressure Gauge 47 and will turn off automatically when the air pressure reaches 115 PSI as indicated IMPORTANT The internal pressure switch is not user adjustable never make changes to the air pressure levels Any change to the
6. P TAN SY RX CENTRAL PNEUMATIC LIMITED 1YEAR y 90 DAY WARRANTY lt RNS S ANI CA Harbor Freight Tools Co makes every effort to assure that its products meet high quality and durability standards Z x i and warrants to the original purchaser that for a period of ninety days from date of purchase that the motor is free WA OS of defects in materials and workmanship Harbor Freight Tools also warrants to the original purchaser for a period lt of one year from date of purchase that all other parts and components of the product are free from defects in materials and workmanship This warranty does not apply to damage due directly or indirectly to misuse abuse SFA negligence or accidents repairs or alterations outside our facilities 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
7. a qualified electrician GROUNDED TOOLS TOOLS WITH THREE PRONG PLUGS Tools marked with Grounding Required have a three wire cord and three prong grounding plug The plug must be connected to a properly grounded outlet If the tool should electrically malfunction or break down grounding provides a low resistance path to carry electricity away from the user reducing the risk of electric shock See Figure A The grounding prong in the plug is connected through the green wire inside the cord to the grounding system in the tool The green wire in the cord must be the only wire connected to the tool s grounding system and must never be attached to an electrically live terminal See Figure A SKU 94724 For technical questions please call 1 800 444 3353 Page 5 3 Your tool must be plugged into an appropriate outlet properly installed and grounded in accordance with all codes and ordinances The plug and outlet should look like those in the following illustration See Figure A FIGURE A DOUBLE INSULATED TOOLS TOOLS WITH TWO PRONG PLUGS 4 Tools marked Double Insulated do not require grounding They have a special double insulation system which satisfies OSHA requirements and complies with the applicable standards of Underwriters Laboratories Inc the Canadian Standard Association and the National Electrical Code See Figure B 5 Double insulated tools may be used in either of the 120 volt outlets shown in
8. chines Industrial applications must follow OSHA requirements Maintain this product with care Keep this product clean for better and safer performance Maintenance For your safety service and maintenance should be performed regularly by a qualified technician Check for damaged parts Before using this product carefully check that it will operate properly and perform its intended function Check for damaged parts and any other conditions that may affect the operation of this product Replace or repair damaged or worn parts immediately Replacement parts and accessories When servicing use only identical replacement parts Only use accessories intended for use with this product Use the right tool or attachment for the job Do not attempt to force a small tool or attachment to do the work of a larger industrial tool or attachment There are certain applications for which this product was designed It will do the job better and more safely at the rate for which it was intended Do not modify this product and do not use this product for a purpose for which it was not intended To extend the life of your air tools and equipment It is recommended to install a water filter and oiler available from Harbor Freight Tools in series with the Air Outlet Valve 48 of the Air Compressor See Figure C next page G People with pacemakers should consult their physician s before using this product Operation of electrical equipment in cl
9. d equipment should be stored in a dry location to inhibit rust Always lock up tools and equipment and keep out of reach of children Do not use this product if under the influence of alcohol or drugs Read warning labels on prescriptions to determine if your judgement or reflexes are impaired while taking drugs If there is any doubt do not attempt to use this product Make sure to fill the Air Compressor with a premium quality 30 weight non detergent compressor oil before each use Running the Air Compressor with no oil or low oil will cause damage to the equipment and void the warranty The optimal capacity for the oil reservoir is 1 4 ounces SKU 94724 For technical questions please call 1 800 444 3353 Page 8 10 11 12 13 14 15 16 17 18 19 20 21 When filling the Air Compressor with oil make sure to unscrew do not pull the Oil Plug 17 out Do not allow moisture to build up inside the Tank 55 Drain water from the tank daily Do not open the Drain Valve 67 so that more than four threads are showing Avoid injury Never direct the pressurized air stream at people or animals Do not alter or remove the factory sealed Safety Valve 51 Dress properly Do not wear loose clothing or jewelry as they can be caught in moving parts Wear restrictive hair covering to contain long hair Do not overreach Keep proper footing and balance at all times Do not reach over or across running ma
10. epaired SKU 94724 For technical questions please call 1 800 444 3353 Page 4 20 21 22 23 Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the tool s operation If damaged have the tool serviced before using Many accidents are caused by poorly maintained tools Use only accessories that are recommended by the manufacturer for your model Accessories that may be suitable for one tool may become hazardous when used on another tool Tool service must be performed only by qualified repair personnel Service or maintenance performed by unqualified personnel could result in a risk of injury When servicing a tool 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 GROUNDING A WARNING Improperly connecting the grounding wire can result in the risk of electric shock 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 tool Never remove the grounding prong from the plug Do not use the tool 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
11. ergent compressor oil before each use Running the Air Compressor with no oil or low oil will cause damage to the equipment and void the warranty To check the level of oil make sure the Air Compressor is OFF Then observe the Oil Sight Gauge 19 The level of oil should just reach SKU 94724 For technical questions please call 1 800 444 3353 Page 10 the horizontal line as shown on the Oil Sight Gauge 19 If the level of oil is below the horizontal line carefully unscrew and remove the Oil Fill Cap 11 and add new oil through the Oil Fill hole Make sure not to overfill Then screw in the Oil Fill Cap being careful not to strip the threads See Figure D OIL FILL CAP 11 KEEP OIL LEVEL EVENWITH RED DOT OIL SIGHT GAUGE 19 FIGURE D 2 Turn the Air Outlet Valve 48 to its CLOSED position Then connect a high pressure air hose not included equipped with a quick connector to the Air Outlet Valve If using a water filter and oiler in series with the Air Outlet Valve of the Air Compressor connect the other end of the air hose to the water filter and oiler and connect the water filter and oiler to the air tool being used If not using a water filter and oiler squirt several drops of air tool oil into the air intake plug of the air tool Then connect the other end of the air hose directly from the Air Outlet Valve of the Air Compressor to the air tool See Figure E and Figure F next page TOP VIEW CLOSED P
12. in power tools with the Power Switch on invites accidents Remove adjusting keys or wrenches before turning the power tool on A wrench or a key that is left attached to a rotating part of the power tool may result in personal injury Do not overreach Keep proper footing and balance at all times Proper footing and balance enables better control of the power tool in unexpected situations Use safety equipment Always wear eye protection Dust mask non skid safety shoes hard hat or hearing protection must be used for appropriate conditions TOOL USE AND CARE Do not force the tool Use the correct tool for your application The correct tool will do the job better and safer at the rate for which it is designed Do not use the power tool if the Power Switch does not turn it on or off Any tool that cannot be controlled with the Power Switch is dangerous and must be replaced Disconnect the Power Cord Plug from the power source before making any adjustments changing accessories or storing the tool Such preventive safety measures reduce the risk of starting the tool accidentally Store idle tools out of reach of children and other untrained persons Tools are dangerous in the hands of untrained users Maintain tools with care Keep cutting tools sharp and clean Properly maintained tools with a sharp cutting edge are less likely to bind and are easier to control Do not use a damaged tool Tag damaged tools Do not use until r
13. ose proximity to a heart pacemaker could cause interference or failure of the pacemaker SKU 94724 For technical questions please call 1 800 444 3353 Page 9 22 WARNING The warnings precautions and instructions discussed in this manual cannot cover all possible conditions and situations that may occur The operator must understand that common sense and caution are factors which cannot be built into this product but must be supplied by the operator 23 A 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 TO AIR OUTLET a 48 fs ARTo A r ana Sa BDO om ye TO I OILER te FIGURE C UNPACKING When unpacking check to make sure all the parts shown on the Parts Lists on pages 14 and 15 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 It may be necessary to attach the Air Filter Kit 31 If so remove the plastic cap on the receptacle Then screw the Air Filter into the Cylinder Head 2 OPERATING INSTRUCTIONS NOTE For additional information regarding the parts mentioned in the following pages refer to the Assembly Diagrams on pages 14 and15 1 IMPORTANT Always fill the Air Compressor with a premium quality 30 weight non det
14. ressure Relief Tube 1 27 Mounting plate 1 61 Spring Washer 3 m W 728 Nut _ j 1 62 Exhaust Elbow t 29 Washer fT 63 Rig _ J2 30 Capacitor C 32 jaa dT 1 66 Outlet Tube 1 1 33 Bolt a a dal e 67 Drain Valve 34 CoverMotorFront 2 I C SKU 94724 For technical questions please call 1 800 444 3353 Page 14 ASSEMBLY DIAGRAM Note Some parts are listed and shown for illustration purposes only and are not available individually as Es replacement parts e53 L 4 59 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 94724 For technical questions please call 1 800 444 3353 Page 15 LV VW Von Vv gt KAVA
15. ric 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 SKU 94724 For technical questions please call 1 800 444 3353 Page 2 Do not operate power tools in explosive atmospheres such as in the presence of flammable liquids gases or dust Power tools create sparks which may ignite the dust or fumes Keep bystanders children and visitors away while operating a power tool Distractions can cause you to lose control Protect others in the work area from debris such as chips and sparks Provide barriers or shields as needed ELECTRICAL SAFETY Grounded tools 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 tools should electrically malfunction or break down grounding provides a low resistance path to carry electricity away from the user Double insulated tools are equipped with a polarized plug one blade is wider than the other This plug will fit in a polarized outlet only one way If the plug does not fit fully in the outlet reverse the plug If it still does not fit contact a qualified electrician to install a polarized outlet Do not change the plug in any wa
16. t and damp or wet areas RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS NAMEPLATE AMPERES EXTENSION CORD LENGTH At Full Load 25 Feet 50 Feet 75 Feet 100 Feet 150 Feet 0 2 0 18 18 18 18 16 2 1 3 4 18 18 18 16 14 3 5 5 0 18 18 16 14 12 5 1 7 0 18 16 14 12 7 1 12 0 18 14 12 10 12 1 16 0 14 12 10 16 1 20 0 12 10 Based on limiting the line voltage drop to five FIGURE C volts at 150 of the rated amperes SKU 94724 For technical questions please call 1 800 444 3353 Page 7 SYMBOLOGY Double Insulated Canadian Standards Association Underwriters Laboratories Inc Volts Alternating Current No Load Revolutions per no i saa lial Minute RPM SPECIFIC SAFETY RULES Maintain a safe working environment Keep the work area well lit Make sure there is adequate surrounding workspace Always keep the work area free of obstructions grease oil trash and other debris Do not use this product in areas near flammable chemicals gasoline dusts and vapors Maintain labels and nameplates on the Air Compressor These carry important information If unreadable or missing contact Harbor Freight Tools for a replacement Use eye and hearing protection Always wear ANSI approved safety impact eye goggles and hearing protectors when using this product Do not allow children to use or play with this product Store idle equipment When not in use tools an
17. the following illustration See Figure B FIGURE B SKU 94724 For technical questions please call 1 800 444 3353 Page 6 EXTENSION CORDS l Grounded tools require a three wire extension cord Double Insulated tools can use either a two or three wire extension cord 2 As the distance from the supply outlet increases you must use a heavier gauge extension cord Using extension cords with inadequately sized wire causes a serious drop in voltage resulting in loss of power and possible tool damage See Figure C next page 3 The smaller the gauge number of the wire the greater the capacity of the cord For example a 14 gauge cord can carry a higher current than a 16 gauge cord See Figure C 4 When using more than one extension cord to make up the total length make sure each cord contains at least the minimum wire size required See Figure C 5 If you are using one extension cord for more than one tool add the nameplate amperes and use the sum to determine the required minimum cord size See Figure C 6 If you are using an extension cord outdoors make sure it is marked with the suffix W A W in Canada to indicate it is acceptable for outdoor use 7 Make sure your extension cord is properly wired and in good electrical condition Always replace a damaged extension cord or have it repaired by a qualified electrician before using it 8 Protect your extension cords from sharp objects excessive hea
18. y Double insulation B eliminates the need for the three wire grounded power cord and grounded power supply system Avoid body contact with grounded surfaces such as pipes radiators ranges and refrigerators There is an increased risk of electric shock if your body is grounded Do not expose power tools to rain or wet conditions Water entering a power tool will increase the risk of electric shock Do not abuse the Power Cord Never use the Power Cord to carry the tools or pull the Plug from an outlet Keep the Power Cord away from heat oil sharp edges or moving parts Replace damaged Power Cords immediately Damaged Power Cords increase the risk of electric shock PERSONAL SAFETY Stay alert Watch what you are doing and use common sense when operating a power tool Do not use a power tool while tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal injury SKU 94724 For technical questions please call 1 800 444 3353 Page 3 10 11 12 13 14 15 16 17 18 19 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 off before plugging in Carrying power tools with your finger on the Power Switch or plugging
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