Harbor Freight Tools 93351 User's Manual
Contents
1. poston and the unplugged from fs electrical utet prior to assembling the Compressor or making adjustments to the unit To Attach The Handle And Wheels d To attach the Handle 50A to the Tank 50 of the Air Compressor align the two mounting holes in the Handle with the two mounting holes in the Tank Secure the Handle to the Tank using the two Lock Knobs 508 See Figure E 2 To Attach the two Wheels 53 to the Tank 50 of the Air Compressor insert a Wheel 53 on each end of an Axle 53A Secure the Wheels to the Axles using two Retaining Rings 64 then two Bolts 93 See Figure E FIGURE E Lock soe AXLE 524 AXLE S34 WHEEL WHEEL BOLT 99 rs RETAINING RING s4 7 RETAINING RING 54 SKU 93351 For technical questions please call 1 800 444 3353 Page 10 To Fill The Crankcase With Compressor 1 Make sure to put compressor oil not included in the Compressor s crank prior to its first use Before each subsequent use check the oil level Never run the Compressor with low or no compressor oil Running the Compres sor with low or no wil permanently damage the unit Note Crankcase oil capacity is 25 3 ounces 750 See Figure F 2 The Oil Sight Glass 72 is used to determine if oil is needed The level should always be at the maximum level at the red line on the Glass See Figure F2. 3 To fil the crankcase with oil unscrew and remove the Oil Breather Cap 78 Add a premium quality compressor oil into the fll hole unti the level of reaches the red line on the Sight Glass 72 Do not overfill Then thread the Oil Breather back into the ol fll hole taking care not to strip the plastic threads the Oil Breather Cap See Figure Rex OIL BREATHER CAP OWL FILL HOLE _ on se cass FIGURE F OPERATING INSTRUCTIONS Check to make sure the Tanks Drain Valve 59 located at the bottom of the Tank 80 is fully closed See Figure L 2 Turn the Air Outlet Valve 69 to its closed position See Figure G next pag 3 Connect an air hose not included to the Air Outlet Valve 69 Then connect the other end of the air hose to the pneumatic tool not included that is to be used See Figure SKU 93351 For technical questions please call 1 800 444 3353 Page 11 4 sure the ON OFF Switch 86 is in its OFF down position See Figure G 5 Plug the Power Cord Plug 64 of the Air Compressor into the nearest 120 volt grounded electrical outlet 6 Pullup on the ON OFF Knob 86 to turn on the Air Compressor See Figure 7 While the Air Compressor is running allow sufficient time for the Tank Pressure Gauge 65 to reach at least 85 PSI before using the Compressor See Figure 8 Once the Tank
3. Pressure Gauge 65 reaches at least 85 PSI turn the Air Outlet Valve 69 to its open position to allow air to the pneumatic tool See Figure G 9 M necessary adjust the tool Pressure Regulator 70 to provide the PSI between 85 PSI and 110 PSI required for the pneumatic tool Do not exceed 110 PSI To increase air pressure to the pneumatic tool turn the Pressure Regulator clockwise To decrease air pressure to the pneumatic tool turn the Pressure Regulator counterclockwise See Figure G 10 NOTE The Safety Valve 67 is used when decompression is needed quickly and efficiently Before using the safety valve always put on ANSI approved eye and ear protection the sudden decompression is loud To decompress the air pressure in the Tank 60 press down on the ON OFF Knob 86 to turn off the Air Compressor While wearing hearing protection pull out on the Safety Valve to immediately release air pressure from the Tank See Figure G FIGURE G PRESSURE SWITCH BOX 56 AIR OUTLET VALVE 68 CONNECT Am HOSE HERE PRESSURE REGULATOR 70 TANK PRESSURE GAUGE TANK 0 r SAFETY YALVE 67 SKU 93351 For technical questions please call 1 800 444 3353 Page 12 11 IMPORTANT The Circuit Breaker 31 wil rip if an over current condition is sensed by the Breaker stopping the motor If this occurs press down on the ON OFF Knob 86 to turn off the Air Compressor Wait until
4. air fttings and connections for leaks Air Compressor dosa not pro Very that this compressor is of suficient capacity provide ad Vide required air pressure to tha equate airflow CFM to the toal pneumatic too sure the Air Outlet Valve 6 is completely open Increase air pressure to the pneumatic tool by tuming the Pressure Regulator 70 clockwise Check for obstructions sharp bends and leaks n the air hose con necting the Compressor to tho pneumatic too Check all air fttings and connections for leaks requirement the tool exceeds the compressor s capacity See CFM output on page 2 SKU 93351 For technical questions please call 1 800 444 3353 Page 16 PARTS LIST Despen NULLI 7 ss 1 3 Serna Waser sr sena 1 EELS 1 5 eer Bak E z Washer 1 neas 3 a mevawerue 1 Pen 65 ark Pressure Gauge Upper iat T Fee T pe wasser 2 sr Sey vane 3 TOR Panon 2 as Pennasen Fasten 37 Paste Washer a Pressure Regu 3 Rearing Ring 2 pas 3 mr 3 Paton T ILLES EE 3 Paten Fs 37 8 T 3 EL 37 6 pn
5. for outdoor use 10 WARNING This Air Compressor is extremely top heavy The unit must be bolted to the floor with isolation pads not included or secured with a wall cable not in cluded before operating to prevent equipment damage injury or death See lllustration Below wus cane EE id WALL CABLE LIT mI ISOLATION PAD ISOLATION PAD ror MELUDED Nor CLUDED 11 Make sure all tools and equipment used with the Air Compressor are rated to the appropriate capacity Do not use any tool or equipment that does not operate from 85 PSI to 110 PSI 12 Drain the Air Compressor every day Do not allow excessive moisture to build up inside the Air Compressor s Tank 18 Avoid injury Never direct the Air Outlet Valve at people or animals 14 Donotalter or remove the Safety Valve 67 Do not open the Pressure Switch Box 86 15 Do not handle the ON OFF Knob 86 or Power Cord Plug with wet hands 16 sure the Air Compressor is located on a flat level sturdy surface capable of supporting the weight of the Compressor operator s and any additional tools and equipment 17 Keep all electrical connections dry and off the ground 18 Industrial applications must follow OSHA guidelines SKU 93351 For technical questions please call 1 800 444 3353 19 Never stand on the Air Compressor Serious injury could result if the Compres sor is tipped 20 Never leave the Air Comp
6. CENTRAL PNEUMATIC 2 5 HP AIR COMPRESSOR 29 GALLON CAPACITY ASSEMBLY AND OPERATING INSTRUCTIONS Yok Warranty le Voldad it m E EET S aee ie Compras wi roc i parre damage be Gone Compressors Powe Con Pig the nearest 120 vot round See ot Wenner sac a ose o Compre C You drop he A Compressor Done me A Congreso asing Hard PREVENT SERIOUS INJUR READ AND UNDERSTAND ALL WARNINGS AND INSTRUCTIONS BEFORE USE Copyright 2005 by Harbor Freight Tools Ali rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express writen consent of Harbor Freight Tools For technical questions please call 1 800 444 3353 PRODUCT SPECIFICATIONS Requirements 120V 7 80 Single Phase 195 Amps Wi Load 25 HP Single Phase seo RPM Sto Power Card 6 Long x 16 Gauge x 3 Cords Power Gord Plug Ar Tank 22 Gaons Pump Stage Sing Stage Disc Drive Purp Maximum A Pressure jut Start PSL Stans ras Pel eguawiauges Reads 0 200 PS1 m 10 PSI nears Ar Flow Capacity 85 OFM 40 PSI 7 5 CFM G0 PSI ArFitar O T Tor Wege 154 Pounds SAVE THIS MANUAL U wil need this manual for the safety warnings and precautions assembly operating inspection maintenance a
7. Knob 86 of the Air Compressor is in its OFF poston and the units unplugged from is 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 damage electrical wiring loose air fittings and any other condition that may affect the safe operation of the Compressor If abnormal noise or vibration occurs have the problem corrected before further use Do not use damaged equipment 3 Before each use Check the oil level in the Air Compressor If necessary fil the crankcase of the Compressor with the proper amount of See Figure F 4 Daily purge the Tank 50 of all air and moisture to prevent corrosion To do so slowly and carefully unscrew no more than four threads the Drain Valve 59 until the compressed air and condensation begins tobe released from the Tank Allow sufficient time for all of the air and condensation to escape from the Tank Then firmly retighten the Drain Valve See Figure 1 FIGURE DRAIN VALVE 59 5 Every 100 hours of use clean the Air Filter 85 with a mild solvent Then dry and reattach the Air Filter NOTE If necessary replace the Air Filter I itis too dirty to properly clean See Figure J next page 6 Every 500 hours or 12 months replace the old compressor oil with new o
8. T USES A 2PRONG PLUG avo noun ELECTRICAL OUTLET FIGURE B SKU 93351 For technical questions please call 1 800 444 3353 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 C Double insulated tools may be used in either of the 120 volt outlets shown in the following illustration See Figure 32ovou 120 v0LT GROUNDED GROUNDED atthe ser FIGURE C SYMBOLOGY Double insulated Canadian Standards Association Underwriters Laboratories Ine VolisAtermating Current Amparos gt xxmin No Load Revolutions per Minute RPM SKU 93351 For technical questions please call 1 800 444 3353 UNPACKING When unpacking check to make sure all the parts shown on the Parts List on page 17 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 ASSEMBLY INSTRUCTIONS caution Aways make sure the ON OFF Switch 86 of the Alr Compressor is in ts OFF
9. TO SKU 93351 For technical questions please call 1 800 444 3353 Page 15 TROUBLESHOOTING Problem Possible Ar Compressor doss not start Make sure the ON OFF Knob 8 i Ta ON poston sure the Power Cord Plug 84 is undamaged and plugged into a working 120 vot grounded electrical Check to soe ho Circuit Breaker 31 as ripped If necessary the Compressor to completely cool Then raset the Circuit Breaker Pull the Safety Valve 87 to release air pressure from the Tank 50 to allow br easier starting sure the Air Fiter B5 is clean and not blocking air fow Air Compressor automaticaly Check to the Circuit Breaker 31 has tipped Shuts down If necessary allow the Compressor to completely cool Then reset the Circuit Breaker sure the Compressor is plugged into dedicated circu with other items sharing the electrical outlet Check to make sure the level in the Compressor is at ts proper level to prevent overheating sure the Air Fiter 85 is clan and not blocking air fow Air Compressor doss not build Make sure the Drain Valve 59 is completely closed adequate air pressure in ts sure ho Valve 67 is completely closed sure the Air Out Valve 6 is completely closed sure the Air Fiter 85 is clan and not blocking air fow Check all
10. esee I 2 Serna waster g IC 17 ries 7 75 3 a pm ses 3 38 Rubber washer 4 a e emre GGA T pss recor a o rnr 0 Pange Head Bon 3 1 ai Sarg Capactor 3 3 sr reer corer 3 22 Running Capao T s z 77 2 8 Sermo washer 7 27 Nyen or 2 ss z 3 Pate EB z z GEL 37 sr eaae oes ey T NOTE Some parts isted and shown forilustration purposes only and aro not avalablo indvidually as parts SKU 93351 For technical questions please call 1 800 444 3353 Page 17 ASSEMBLY DIAGRAM Craig NOTE Some parts are listed and shown for illustration purposes only and aro not available individually as replacement part SKU 93351 For technical questions please call 1 800 444 3353 Page 18
11. essor is NOT equipped and should not be used as is to supply breathing quality air For any application of air for human consumption you must fit the Air Compressor with suitable inline safety and alarm equipment not included This additional equipment is necessary to properly fiter and purity the air to meet minimal specifications for Grade D breathing as described in Com pressed Gas Association Commodity Specification G 7 1 1966 OSHA 29 CFR 1910 134 and or Canadian Standards Associations CSA In the event the Air Compressor is used for the purpose of breathing air application and proper inline safety and alarm equipment is not simultaneously used existing warranties are void and Harbor Freight Tools disclaims any liabiity whatsoever for any loss personal injury or damage 7 DANGER Never attempt to repair or modify the Tank 50 Welding driling or any other modification will weaken the Tank resulting in damage from rupture or explosion Always replace worn cracked or damaged Tanks SKU 93351 For technical questions please call 1 800 444 3353 Pages 8 WARNING Never use plastic PVC pipe for compressed air Serious injury or death could result Any tube pipe or hose used must have a pressure rating higher than 150 PSI Minimum recommended pipe size Up to 50 feet long use 1 2 diameter Greater than 50 feet use 3 4 diameter Larger diameter pipe is always better 9 This Air Compressor is not designed
12. il To do so unscrew and remove the Flange Head Bolt 20 located at the bottom of the crankcase 15 Allow the old oil to drain from the crankcase into a proper receptacle Once drained replace the Flange Head Bolt Then refill the crankcase to its proper oil level See Assy Diagram 7 To clean wipe with a damp cloth using a mild detergent or mild solvent SKU 93351 For technical questions please call 1 800 444 3353 Page 14 When storing always store the Air Compressor in a clean dry safe location out reach of children and other unauthorized people NCAUTION maintenance service or repairs not mentioned in this manual must only be performed by a qualified service technician FIGURE J PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER ANDIOR 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 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 RISKS AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING QUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERE
13. ions may create a risk of electric shock or injury SKU 93351 For technical questions please call 1 800 444 3353 Page 4 SPECIFIC SAFETY RULES 1 WARNING Your Warranty is voided if You do not put compressor oil in the Compressor s crankcase prior to its first use Before each use check the oil level Never run the Compressor with low or no compressor oll Running the Compressor with low or no oil will permanently damage the unit b You use an extension cord with the Air Compressor Connect the Compressor s Power Cord Plug directly to the nearest 120 volt grounded electrical outlet If necessary attach a longer air hose to the Compressor c You drop the Air Compressor Do not lift the Air Compressor using its Handl 2 This Air Compressor may require a dedicated electrical circuit as the amper age draw under full load combined with use of any other item may overload your circuit 3 Maintain labels and nameplates on the Air Compressor These carry important information If unreadable or missing contact Harbor Freight Tools for replace ment 4 Always wear ANSI approved safety impact eye goggles when assembling and using the Air Compressor 5 Maintain a safe working environment Keep the work area well it Make sure there is adequate surrounding workspace Always keep the work area free of ob structions grease trash and other debris 6 DANGER This Air Compr
14. nd 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 WARNING READ AND UNDERSTAND ALL INSTRUCTIONS Fatture to follow all Instructions listed below may result Inl electric shock fire and or serious injury SAVE THESE INSTRUCTIONS WORK AREA i Keep your work area clean and well lit Cluttered benches and dark areas invite accidents Presence of flammable liquids gases or dust Power tools create sparks which may ignite the dust or fumes 3 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 2 Do not operate power tools in explosive atmospheres such as in the SKU 93351 For technical questions please call 1 800 444 3353 Page 2 10 12 ELECTRICAL SAFETY e 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 modity 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 Ifthe tools sh
15. ngerous and must be replaced 48 Disconnect the Power Cord Plug from the power source before making adjustments changing accessories or storing the tool Such preventive safety measures reduce the risk of starting the tool accidentally 19 Store idle tools out of reach of children and other untrained persons Tools dangerous in the hands of untrained users 20 Maintain tools with care Keep cutting tools sharp and clean Properly main tained 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 21 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 22 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 23 Tool service must be performed only by qualified repair personnel Service or maintenance performed by unqualified personnal could result in a risk of injury 24 When servicing a tool use only identical replacement parts Follow in structions in the Inspection Maintenance And Cleaning section of this manual Use of unauthorized parts or failure to follow maintenance instruct
16. onnecting 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 a qualified electrician GROUNDED TOOLS TOOLS WITH THREE PRONG PLUGS i 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 elec ric shock See Figure B next page 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 i ve terminal See Figure 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 B THS PRODUC
17. ould electrically malfunc tion 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 way Double insulation EJ 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 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 puli the Plug from an outlet Keep the Power Cord away from heat oil sharp edges or moving parts Replace damaged Power Cords immediately Dam aged Power Cords increase the risk of electric shock PERSONAL SAFETY Stay alert Watch what you are doing and use common sense when operat ing a power tool Do not use a power tool while tired or under the influence of drugs alcohol or medication moment of inattention while operating power tools may result in serious personal injury Dres
18. ressor unattended when it is plugged in and running Turn off the Compressor and unplug the unit before leaving 21 Do not allow children and other unauthorized people to handle or play with the Air Compressor 22 Always turn off the Air Compressor and unplug it from its electrical outlet before performing any inspection maintenance or cleaning 28 WARNING This product contains brass which is a chemical known to the State of California to cause cancer and birth defects and other reproductive harm California Health amp Safety Code 25249 5 et seq 24 WARNING People with pacemakers should consult their physician s before using this product Operation of electrical equipment in close proximity to a heart pace maker could cause interference to or failure of the pacemaker 25 WARNING The warnings and cautions discussed in this 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 extend the life of your tools and equipment it is recommended that you install an oiler and water filter inline with the air output line of the Air Compressor See Figure A REGULATOR FIGURE A SKU 93351 For technical questions please call 1 800 444 3353 Page7 GROUNDING AXwarninat Improperly c
19. s 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 ON OFF Knob 86 is off before plug ging in Plugging in power tools with the ON OFF Knob on invites accidents Remove adjusting keys or wrenches before turning the power tool on A wrench or key that is left attached to a rotating part of the power tool may result in personal injury SKU 93351 For technical questions please call 1 800 444 3353 Page 3 13 Donotoverreach 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 Always wear von tne product Heating protection must be used lor appropriate condos TOOL USE AND CARE 15 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 16 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 itis designed 47 Do not use the power tool if the ON OFF Knob 86 does not turn it on or off Any tool that cannot be controlled with the Power Switch is da
20. the Compressor cools completely to avoid burns Pull out on the Safety Valve 67 to release air pressure from the Tank to ease restarting Then press the Circuit Breaker button to reset it and pull up on the Pressure Switch to restart the Air Compressor See Figure 12 13 15 16 FIGURE H When finished using the pneumatic tool press down on the Pressure Switch 66 to turn off the Air Compressor and unplug the unit s Power Cord Plug 64 from its electrical outlet See Figure G While wearing hearing protection pull out on the Safety Valve 67 to release air pressure from the Tank Then turn the Air Outlet Valve 69 to its closed position Always wear ANSI approved eye and ear protection sudden decompression is loud See Figure G Squeeze the trigger on the pneumatic tool to release any remaining air pressure from the tool Then disconnect the air hose from the tool and store the tool in a lean dry safe location out of reach of children Disconnect the other end of the air hose from the Compressor s Air Outlet Valve 69 and store the air hose in a clean dry safe location out of reach of children Allow the Air Compressor to completely cool Then store the unit in a clean dry safe location out of reach of children SKU 93351 For technical questions please call 1 800 444 3353 Page 13 INSPECTION MAINTENANCE AND CLEANING 1 Make sure the ON OFF
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