Central Pneumatic Air Compressor 93786 User's Manual
Contents
1. 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 Safety Warnings and Precautions WARNING When using tool basic safety precautions should always be followed to reduce the risk of personal injury and damage to equipment Read all instructions before using this tool 1 Keep work area clean Cluttered areas invite injuries 2 Observe work area conditions Do not use machines or power tools in damp or wet locations Don t expose to rain Keep work area well lighted Do not use electrically powered tools in the presence of flammable gases or liquids 3 Keep children away Children must never be allowed in the work area Do not let them handle machines tools or extension cords 4 Store idle equipment When not in use tools must be stored in a dry location to inhibit rust Always lock up tools and keep out of reach of children 5 Use the right tool for the job Do not attempt to force a small tool or attachment to do the work of a larger industrial tool There are certain applications for which this tool was designed It will do the job better and more safely at the rate for which it was intended Do not modify this tool and do not use this tool for a purpose for which it was not intended SKU 93786 For technical questions please call 1 800 444 3353 Page 2 10 11 12 13 14 15 16 17 Dre2. color and will not blow clean replace the filters 4 Ifthe oil appears dirty open the Oil Filler Cap 10 and remove the Oil Drain Bolt 2 capturing the oil in a suitable container Dispose of the used oil in accordance with local regulations Replace the Oil Drain Bolt and refill as discussed in item 12 above SKU 93786 For technical questions please call 1 800 444 3353 Page 7 Parts List Oil Drain Bolt Description Intercooler Air Hose o fan Sa C foana Cr froe ft e pe id Co fomes 1 o serran e o foem o o feeen oferea i a ose poo NJ N nva 21 Bolt 43 Connecting Rod sea NOTE Parts 16 17 27 are sold only as an assembly called the Cylinder Gasket amp Reed Valve Kit NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts SKU 93786 For technical questions please call 1 800 444 3353 Page 8 Assembly Drawing 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 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 UNDERTAK
3. CENTRAL PNEUMATIC N a a 5 HP Air Compressor Pump Mere 31193786 ASSEMBLY AND 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 and replacement parts please call 1 800 444 3353 Specifications a Cast Aluminum Pump 3 Single Stage Conemucuan Cast Iron Flywheel Compressor Type Twin Cylinder Maximum Pressure 145 psi Maximum Speed 1200 rpm Splash Oil type with Oil Level 15 1 cfm at 40 psi Lubrication Window and Ball Bearing Air Delivery Rate at 1050 rpm 13 5 cfm at 90 psi Check Release Valve 12 3 cfm at 115 psi 14 4 Dia x 1 15 16 W Puy Dimensions with dual V grooves for belts Piston Dimensions 80mm Dia x 60mm stroke Overall Dimensions 15 L x 11 2 W x 17 4 H Net Weight 58 45 Ibs Caution Before operating fill the oil reservoir with a premium quality 30 weight nondetergent oil before operating Running the Air Compressor Pump with little or no oil will cause damage to the pump and void the warranty Save This Manual You will need the manual for the safety warnings and precautions assembly instructions operating and maintenance procedures parts list and diagram
4. EN 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 93786 For technical questions please call 1 800 444 3353 Page 9
5. all equipment is rated to the appropriate capacity of this pump Make sure that the lowest rated piece of equipment you are using can handle the maximum pressure of the Air Compressor Pump see Specifications 4 Avoid explosions and fire Never place flammable objects near the compressor Never spray water or any flammable liquids towards the compressor 5 Avoid bodily injury Never direct the air outlet at any person or animal 6 Use Safety Guard for Pulleys The Air Compressor Belt Wheel 36 V belt not supplied and motor pulley not supplied must be covered by a safety guard not supplied covering all moving elements before operation 7 Avoid burns The Cylinder 15 Cylinder Head 26 Air Hose 24 and Air Outlet 25 become very hot during operation Do not touch 8 Industrial Applications If used in an industrial applications you must follow OSHA requirements 9 Properly fill Air Compressor Pump oil reservoir before operating Fill the oil reservoir with a premium quality 30 weight non detergent oil before operating Check oil level through the Oil Level Window before each use Running the Air Compressor Pump with little or no oil will cause damage to the pump and void the warranty Recommended Compressed Air System Components We recommend that you use both a filter and an in line oiler in your air supply system as illustrated in the diagram below These components are not included with this tool but are availabl
6. e from Harbor Freight Tools AIR COMPRESSOR Hose Line Valve 7 7 EDN Air Hose on Reel Regulator Recommended Air Line Components SKU 93786 For technical questions please call 1 800 444 3353 Page 5 Unpacking When unpacking check to make sure that the product is intact and undamaged 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 Installation Note Depending on your level of expertise you may wish to have a qualified technician perform this installation Caution Avoid damage to the Air Compressor Pump and other equipment Make sure the mounting surface for the Air Compressor Pump is installed on a flat and level surface strong enough to support the pump and motor 1 Place the Air Compressor Pump on the mounting surface at the same level as the 5 HP motor used to drive it The 14 12 inch double V groove Belt Wheel 29 of the Air Compressor Pump must be in perfect alignment with the motor pulley not included 2 Verify that the Belt Wheel 36 turns freely where it overhangs the mounting surface 3 Place the V groove belts not included over the Belt Wheel 36 and motor pulley 4 Pull Compressor Pump until properly aligned and the belt is tight Recheck motor pulley V groove belt and Belt Wheel alignment 5 Use a pencil to mark through the Air Compressor Pump mounting holes onto the mounting surface 6 Mo
7. mpaired while taking drugs If there is any doubt do not operate the tool 20 Use proper size and type extension cord If an extension cord is required it must be of the proper size and type to supply the correct current to the tool without heating up Otherwise the extension cord could melt and catch fire or cause electrical damage to the tool Longer extension cords require larger size wire If you are using the tool outdoors use an extension cord rated for outdoor use signified by WA on the jacket Check with the manufacturer of the electric motor not included for the proper power supply requirements 21 Maintenance For your safety service and maintenance should be performed regularly by a qualified technician 22 Pacemaker safety warning People with pacemakers should consult with their physician s before using this electric powered equipment operation of equipment in close proximity to a heart pacemaker could cause interference or failure of the pacemaker The warnings cautions 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 NOTE This item must be properly mounted on a strong level surface which is capable of holding the compressor weight and the forces put on it during operation A pro
8. ntended function Check for alignment and binding of moving parts any broken parts or mounting fixtures and any other condition that may affect proper operation Any part that is damaged should be properly repaired or replaced by a qualified technician Do not use the tool if any switch does not turn On and Off properly Guard against electric shock Prevent body contact with grounded surfaces such as pipes radiators ranges and refrigerator enclosures Replacement parts and accessories When servicing use only identical replacement parts Use of any other parts will void the warranty Only use accessories intended for use with this tool Approved accessories are available from Harbor Freight Tools Do not operate tool if under the influence of alcohol or drugs Read warning labels if taking prescription medicine to determine if your judgment or reflexes are impaired while taking drugs If there is any doubt do not operate the tool SKU 93786 For technical questions please call 1 800 444 3353 Page 3 18 Maintenance For your safety service and maintenance should be performed regularly by a qualified technician Note Performance of this Air Compressor Pump may vary depending on variations in local line voltage or motor capacity Extension cord usage may also affect tool performance 19 Do not operate tool if under the influence of alcohol or drugs Read warning labels on prescriptions to determine if your judgment or reflexes are i
9. perly sized motor not included must also be mounted on a level and sufficiently strong surface The motor and pump must be connected with V shaped drive belts not included The drive belts must be completely enclosed in a sturdy belt cover not included WARNING By supplying this air compressor 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 air compressor properly installed by a qualified service technician using appropriate components in good condition 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 SKU 93786 For technical questions please call 1 800 444 3353 Page 4 Air Compressor Pump Safety Precautions 1 Use proper size motor and motor pulley This air compressor Pump must be installed with a 5 HP electric motor and pulley both not supplied which can turn the Air Compressor Belt Wheel 36 at approximately 1050 rpm but not more than 1200 rpm 2 Install motor pully belt and pully belt cover securely Be sure to use the proper size bolts to install your motor not included The belt and belt cover not included must be strong enough to prevent breaking and possible injury 3 Be sure
10. ss properly Do not wear loose clothing or jewelry as they can be caught in moving parts Protective electrically non conductive clothes and non skid footwear are recommended when working Wear restrictive hair covering to contain long hair Use eye and ear protection Always wear ANSI approved impact safety goggles Wear a full face shield if you are producing metal filings or wood chips Wear an ANSI approved dust mask or respirator when working around metal wood and chemical dusts and mists Do not overreach Keep proper footing and balance at all times Do not reach over or across running machines Maintain tools with care Keep tools maintained and clean for better and safer performance Follow instructions for lubricating and changing accessories Inspect tool cords periodically and if damaged have them repaired by an authorized technician Disconnect power Unplug drive motor when not in use Remove adjusting keys and wrenches Check that keys and adjusting wrenches are removed from the tool or machine work surface before starting work Avoid unintentional starting Be sure the drive motor power switch is in the Off position when not in use and before plugging in Stay alert Watch what you are doing use common sense Do not operate any tool when you are tired Check for damaged parts Before using any tool any part that appears damaged should be carefully checked to determine that it will operate properly and perform its i
11. valve set at less than 145 PSI Note A high low cut in cut out switch not included can be incorporated to operate a motor starter or motor contractor for semi automatic control of air pressure in the vessel Warning Avoid serious injuries Do not operate this Air Compressor Pump without the Safety Guard in place Air Filters 19 12 Unscrew the Oil Filler Cap 10 and fill the oil reservoir to mid point as seen in the Oil Window 4 The oil should be premium qualify 30 weight non detergent oil Do not overfill Operation __ _ p Oil Filler Cap 10 Oil Window 4 1 Turnonthe power switch to the drive motor 2 Check the following items V belt should not vibrate Listen for air leaks Listen for abnormal noise or vibration If there is a problem turn power off and release air pressure from the line before attempting repairs 3 Allow Air Compressor Pump to cool down after each hour of use 4 Turn off the power switch to the drive motor when finished using the Air Compressor Pump Do not leave on if the compressed air is not being used Maintenance Caution Remove power from the drive motor before attempting any maintenance on the Air Compressor Pump 1 Before each use verify that the oil level is at the proper level as viewed through the Oil Window 4 2 Periodically check V belts for proper tension 3 Periodically remove Air Filters 19 and blow clean with compressed air If they are dark in
12. ve the Air Compressor Pump and drill four 7 16 inch holes in the mounting surface 7 Move the Air Compressor Pump back to its mounting position 8 Secure each corner of the base with a 7 16 inch diameter bolt washer lock washer and nut all not supplied 9 Mount the motor not supplied as recommended by the motor manufacturer Be sure that the motor is securely mounted 10 Make final alignment and belt tightness adjustments from 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 11 Connect plumbing hardware not supplied from the male 34 14 tpi Air Outlet 25 to the air destination i e air pressure tank not supplied 12 Install a safety guard not supplied that surrounds the motor pulley V belts and Belt Wheel 36 This safety guard must cover all sides of the moving belts and pulleys It should have a clearance of about one inch from the moving parts The safety guard must be sturdy enough to prevent injury SKU 93786 For technical questions please call 1 800 444 3353 Page 6 Note A qualified electrician must wire in a pressure switch control that turns off the motor when the pump reaches the desired pressure less than 145 PSI Note Always install this Air Compressor Pump to an air tank that has a pressure release
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