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® 5 HP AIR COMPRESSOR – 20 GALLON Model 47915 ASSEMBLY AND OPERATING INSTRUCTIONS ® 3491 Mission Oaks Blvd., Camarillo, CA 93011 Visit our Web site at http://www.harborfreight.com ® Copyright 2002 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.
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. SKU 47915 PAGE 2 Rev 01/03...
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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. SKU 47915 PAGE 3...
ELECTRICAL POWER PLUG. For your safety, only a qualified, certified electrician should attach the Power Plug onto the Power Cord. Never remove the grounding prong or modify the Plug in any way. Do not use adapter plugs with the Power Plug. SKU 47915 PAGE 4...
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Air Compressor. (See Figure C, next page.) WARNING: This product contains or produces a chemical known to the State of California to cause cancer and birth defects (or other reproductive harm). (California Health & Safety Code 25249.5 et seq.) SKU 47915 PAGE 5...
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To attach the Handle (part #50) to the Air Tank (part #41), insert each end of the Handle into the mounting brackets on the Air Tank. Then, secure the Handle to the Air Tank with two Plate Washers (part #65) and two Hex Head Bolts (part #68). (See Figure E, next page.) SKU 47915 PAGE 6...
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Then, reattach the cover to its junction box. CAUTION: For your safety, only a qualified, certified electrician should attach the Wire Cable to the Motor’s junction box. (See Figure G, next page.) Rev 01/03 SKU 47915 PAGE 7...
Oil Fill Hole until the level of oil reaches the middle of the circle as indicated on the Oil Sight Gauge. Do not overfill. Then screw the Dip Stick back into the Oil Fill Hole, being careful not to strip the plastic threads. (See Figure H.) SKU 47915 PAGE 8 Rev 01/03...
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Check to make sure the Drain Valve (part #44) is fully closed. (See Figure I) MOTOR PULLEY SAFETY NET (#69) (#62) V-BELT (#66) PULLEY (#38) HEX HEAD BOLT (#68) PLATE WASHER (#65) AIR TANK (#41) DRAIN VALVE FIGURE I (#44) SKU 47915 PAGE 9...
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Allow sufficient time for the Tank Pressure Gauge (part #56) to indicate 80 PSI before using the Air Compressor. (See Figure I) RESET BUTTON TOOL PRESSURE SAFETY ADJUSTER RELIEF VALVE (#59) VALVE (#57) TANK PRESSURE TOOL GAUGE PRESSURE (#56) GAUGE (#60) AIR TANK (#41) FIGURE J SKU 47915 PAGE 10...
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Air Tank (part #41). (See Figure J) To Use The Reset Button: The Reset Button is used in the event of an electrical power failure or an unex- pected, automatic, shut down of the Air Compressor. (See Figure J) SKU 47915 PAGE 11...
If abnormal noise or vibration occurs, immediately disconnect the Air Compressor from its electrical supply source, release all compressed air from the Air Tank, and have the problem corrected before further use. Do not use damaged equipment. SKU 47915 PAGE 12...
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Then, slowly turn the Motor Pulley (part #62) by hand while feeding the V-Belt onto and completely around the Motor Pulley. (See Figure I) TO CLEAN, wipe with a damp cloth, using a mild detergent or mild solvent. WHEN STORING, Keep the Air Compressor in a clean, dry location. SKU 47915 PAGE 13...
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. PARTS LIST/PARTS DIAGRAM NOTE: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts. SKU 47915 PAGE 14...
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