Harbor Freight Tools 90385 Air Compressor User Manual
Contents
1. 10A PISTONAIRRING 10B PISTONOILRING 11 RETAINING RING IN HOLE 12 PISTON i i O 13 PISTONPIN i O 14 CONNECTROD 15 CRANKCASE 16 CRANKSHAFT _ _ 17 IN SIX ANGLE BOLT 18 RUBBER WASHER 19 TORING i O 20 BOT _ 21 STARTING CAPACITOR __ 22 RUNNING CAPACITOR 23 NUT 24 SAWWASHER 25 FLAT WASHER 26 CONNECTOR 27 NYLONBAND 2 BOLT 30 OVER LOAD PROTECTOR BRACKET 31 OVERLOAD PROTECTOR _ 34 SHAFTOILSEAL 35 BEARING _ _ 36A _ MOTOR STATOR ASSEMBLY _ 36B MOTOR ROTOR ASSEMBLY 37 BEARING 38 WAVE WASHER _ 39 MOTOR BACK COVER _ _ 40 BOT i O 40A TIGHTER WASHER _ 4A CENTRIFUGAL SWITCH SEAT __ 41B CENTRIFUGAL SWITCH BODY _ 4c BOT S PARTS LIST Qty Part 54 60 72 72A 73 74 75 CENTRIFUGAL SWITCH SEAT WASHER CENTRIFUGAL SWITCH COVER BOLT RETAINING RING IN SHAFT FLAT WASHER MOTOR COVER AIR FILLER Q y NOTE Some parts are listed and shown for illustration purposes only and are not available SKU 90385 individually as replacement parts For technical questions please call 1 800 444 3353 Page 11 ASSEMBLY DRAWING 23 2 17 31 30 29 2 45 4 44 43 2 aie O19 z 48 4 47 46 Circuit Diagram SKU 90385 For technical questions please call 1 800 444 3353 Page 122. 1 Keep your work area clean and well lit Cluttered benches and dark areas invite accidents 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 3 Keep bystanders children animals 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 REV 12 03 07 04 11 04 SKU 90385 For technical questions please call 1 800 444 3353 Page 2 10 Electrical Safety 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 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 wide
3. SKU 90385 For technical questions please call 1 800 444 3353 Page 6 SYMBOLOGY Table B Double Insulated Canadian Standards Association Underwriters Laboratories Inc Volts Alternating Current A No essai No Load Revolutions per Minute RPM UNPACKING When unpacking check to make sure that all the parts are included Refer to the Assembly section and the Assembly Drawing and Parts List at the end of this manual If any parts are missing or broken please call Harbor Freight Tools at the number on the cover of this manual as soon as possible In addition this unit is packed with a rubber block to help prevent damage to the Motor Cover 82 during shipment shown below This block should be removed BEFORE use of this compressor it can interfere with proper operation It may be set aside for additional shipping purposes if desired REV 05 05 SKU 90385 For technical questions please call 1 800 444 3353 Page 7 ASSEMBLY INSTRUCTIONS Warning Fill compressor with oil before using running without oil or with low oil voids warranty Do not plug in the Air Compressor until you are ready to use it as set forth below Adding Oil 1 Unscrew do not pull the Oil Plug 79 See Figure C 2 Check the level of the oil by viewing the Oil Leveler 72 window below the Oil Plug Note Fill the oil tank with approximately 25 ounces of oil 3 Add 30 weight non detergent oil through the fill hole as necessary
4. but do not overfill Screw in the Oil Plug being careful not to strip the plastic threads Figure C Hose Connections 1 Close the Air Control Valve 69 right or left 2 Connect the high pressure air hose to the air outlet The outlet is 1 4 NPT For easy connection or removal a quick coupler not supplied should be installed on the end of the outlet To extend the life of your air tools it is recommended to install an oiler and water filter in series with the air output line of the Air Compressor as shown below a Quick CONNECTOR fo CONNECTOR ea FILTER Gon OT ieee wai a ful et COMPRESSOR AIR TOOL Q AIR HOSE ure Dae COUPLE a 3 Connect the high pressure air hose to the air tool 4 Turn the Air Control Valve to the middle position to allow the air to pass Warning Do not remove the factory sealed Air Control Valve 69 removal voids war ranty Air Filter If not already attached mount the Air Filter 85 to the Cylinder Head 2 before using the air compressor REV 04 04 SKU 90385 For technical questions please call 1 800 444 3353 Page 8 OPERATING INSTRUCTIONS Turning Compressor On 1 Plug the power cord into an electrical outlet with a grounding prong 2 Pull up on the Auto Off Pressure Switch 66 to turn on Push down on the Switch to shut off 3 Allow the Tank to fill to 80 PSI before using With the Air Compressor turned on operation is automatic and under the contr
5. CENTRAL PNEUMATIC eee OT AIR COMPRESSOR 2 5 HP 8 GALLON 31 90385 ASSEMBLY AND OPERATING INSTRUCTIONS 3491 MISSION OAKS BLVD CAMARILLO CA 93011 VISIT OUR WEB SITE AT HTTP WWW HARBORFREIGHT COM Copyright 2003 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 and replacement parts please call 1 800 444 3353 SPECIFICATIONS item Description 2 5 HP rated 3400 RPM 2 capacitor motor Single stage oil lubrication Tank 8 gallon capacity Cut in pressure 90 PSI Cut out pressure 120 PSI 1 4 Inch 18 NPT SCFM 70 PSI and 7 25 SCFM 40 PSI Features Overload protection Clear view oil window 65 Ibs THIS COMPRESSOR MUST BE OPERATED ON A MINIMUM 15 AMP CIRCUIT SAVE THIS MANUAL You will need the manual for the safety warnings and precautions assembly instructions operating and maintenance procedures parts list and diagram Keep your invoice with this manual Write the invoice number on the inside of the front cover Keep the 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 instruc tions listed below may result in electric shock fire and or serious injury SAVE THESE INSTRUCTIONS Work Area
6. NCE AND CLEANING 1 N WARNING Make sure the Power Switch of the Air Compressor is in its OFF position and that the tool is unplugged from its electrical outlet before performing any inspection maintenance or cleaning procedures 2 Before each use inspect the general condition of the Air Compressor Check for loose screws misalignment or binding of moving parts cracked or broken parts damaged electrical wiring 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 Check compressor oil level daily Fill if necessary with 30 weight non detergent oil Purge the Air Tank daily of all air and condensation to prevent corrosion Store the Air Compressor in a clean and dry location Oo co amp amp Check all air fittings for leaks before using _ PLEASE READ THE FOLLOWING CAREFULLY _ _ THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER NOR DISTRIBU TOR 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 REPLACE MENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE B
7. UYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARIS ING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO J SKU 90385 For technical questions please call 1 800 444 3353 Page 10 Description 1 BOLT 2 CYLINDER HEAD 3 CYLINDER HEAD WASHER 4A BOLT 4B EXHAUSE VALVE PLATE SPACING 4C EXHAUSE VALVE PLATE 4D VALVE SEAT 5 COLUMN PIN INLET VALVE PLATE 7 CYLINDER UP WASHER CYLINDER CYLINDER DOWN WASHER 10A PISTON AIR RING 10B PISTON OIL RING 11 RETAINING RING IN HOLE 12 PISTON 13 PISTON PIN 14 CONNECT ROD 15 CRANKCASE 16 CRANKSHAFT 17 IN SIX ANGLE BOLT 18 RUBBER WASHER 19 O RING 20 BOLT 21 STARTING CAPACITOR 22 RUNNING CAPACITOR 23 NUT 24 SAW WASHER 25 FLAT WASHER 26 CONNECTOR 27 NYLON BAND 29 BOLT 30 OVER LOAD PROTECTOR BRACKE 31 OVER LOAD PROTECTOR 34 SHAFT OIL SEAL 35 BEARING 36A MOTOR STATOR ASSEMBLY 36B MOTOR ROTOR ASSEMBLY 37 BEARING 38 WAVE WASHER 39 MOTOR BACK COVER 40 BOLT 40A TIGHTER WASHER 41A CENTRIFUGAL SWITCH SEAT 41B CENTRIFUGAL SWITCH BODY 41C BOLT Part Description 1 BOT _ 2 CYLINDER HEAD _ 3 CYLINDER HEAD WASHER __ 4A BOLT _ O 4B EXHAUSE VALVE PLATE SPACING 4C EXHAUSE VALVE PLATE 4D VALVESEAT 5 COLUMNPIN _ _ 6 INLET VALVE PLATE _ 7 CYLINDER UP WASHER __ 8 CYLINDER _ _ _ 9 CYLINDER DOWN WASHER __
8. e work area free of obstructions grease oil trash and other debris Do not use a power tool in areas near flammable chemicals dusts and vapors Do not use this product in a damp or wet location Avoid unintentional starting Make sure you are prepared to begin work before turning on the Air Compressor Do not force the Air Compressor This tool will do the work better and safer at the pressure and capacity for which it was designed Always unplug the Air Compressor from its electrical outlet before performing and inspection maintenance or cleaning procedures A WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contain chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are lead from lead based paints crystalline silica from bricks and cement or other masonry products 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 ventilated 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 Z WARNING People with pacemakers should consult their physician s before using this product Operation of electrical equipment
9. in close proximity to a heart pacemaker could cause interference or failure of the pacemaker Never leave the air compressor unattended while running Turn power off if you have to leave the mixer Before each use check all nuts bolts and screws for tightness Vibration may cause these to loosen Always connect the Line Cord to a Ground Fault Circuit Interrupter GFCI protected electrical outlet Always use a 115V electrical source 10 maximum variation Drain compressor every day Do not allow moisture to build up inside the compressor Do not allow compressor to sit pressurized for longer than one hour Make sure all equipment is rated to the appropriate capacity Adjust the output air pressure to the tool s operating capacity Avoid body injury Never direct the air outlet at persons or animals REV 11 04 SKU 90385 For technical questions please call 1 800 444 3353 Page 5 GROUNDING N WARNING Improperly connecting the grounding wire can result in the risk of electric shock Check with a qualfified 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 a qualified electrician Grounded Tool
10. ol of the internal pressure switch Auto Off Switch Output Pressure Adjuster Tank Pressure Gauge Air Control Valve Output Pressure Gauge NOTE Actual product design may vary slightly from that shown Figure E Adjusting Pressure Switch Caution The internal pressure switch is adjustable but changes to the pressure levels are not recommended any change to the automatic On Off pressure levels will cause additional stress on the motor which may result in shortened motor life Using the Pressure Relief Valve Figure F The Pressure Relief Valve Figure F is used when decom pression is needed quickly and efficiently 1 Press the Auto Off Pressure Switch 66 down to turn power off 2 Pull on the Pressure Relief Valve 67 ring to release pressure 3 When all pressure is released close the valve again Pressure Relief Valve REV 04 05 SKU 90385 For technical questions please call 1 800 444 3353 Page 9 Empty Air and Condensation The water Spill Valve 59 is located underneath the Air Tank It must be used daily to re lease all trapped moisture through this valve It will also get rid of any condensation that may cause tank corrosion Warning Do not open the water Spill Valve 59 so that more than four threads are showing 1 Push down on the Auto Off Pressure Switch 66 to turn the compressor off 2 Unscrew the water Spill Valve 59 two to three turns INSPECTION MAINTENA
11. perly 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 repaired 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 Service 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 SKU 90385 For technical questions please call 1 800 444 3353 Page 4 10 11 12 13 SPECIFIC SAFETY RULES FOR THIS PRODUCT Maintain labels and nameplates on the Air Compressor These carry important information If unreadable or missing contact Harbor Freight Tools for a replacement Maintain a safe working environment Keep the work area well lit Make sure there is adequate surrounding workspace Always keep th
12. r 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 way Double insulation 0 eliminates the need for the three wire grounded power cord and grounded power supply system 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 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 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
13. 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 SKU 90385 For technical questions please call 1 800 444 3353 Page 3 14 15 16 17 18 19 20 21 Ze 23 24 Use safety equipment Always wear eye protection Dust mask nonskid safety shoes hard hat or hearing protection must be used for appropriate conditions Tool Use and Care Use clamps not included or other practical ways to secure and support the workpiece to a stable platform Holding the work by hand or against your body is unstable and may lead to loss of control 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 Pro
14. s Tools with Three Prong Plugs 1 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 2 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 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 _ G Ce Figure A Figure B 4 2 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 on page 6 5 Double insulated tools may be used in either of the 120 volt outlets shown in the preceding illustration See Figure B on page 6
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