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240 VOLT COMPRESSOR
4 HP PEAK – 29 GALLON
65903
SET uP ANd OPERATiNG iNSTRuCTiONS
®
distributed exclusively by Harbor Freight Tools .
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THiS MANuAL.
© ®
Copyright 2008 by Harbor Freight Tools . All rights reserved. No portion of this manual or any artwork
contained herein may be reproduced in any shap
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PROduCT SPECiFiCATiONS 240 V~ / 60 Hz / 9 A (Load) / Single Phase / 4 HP Peak / Motor 3 HP Working / 3,400 RPM / Two Capacitor (Run & Start) Overload Reset Button 15 A 12 Gauge, 3-Wire (Stripped), 10 Ft. Long Power Cord 240 Volt Power Cord Plug Not Included. Air Tank Capacity 29 Gallons 8.74 @ 40 PSI / 7.7 @ 70 PSI / SCFM Airflow 7.47 @ 90 PSI / 6.67 @ 115 PSI Compressor Pump Type Dual V-Head Cylinder / Belt Driven Safety Valve Setting 120 PSI Air Pressure Gauge Indicators 0-200 PSI in 5 PSI In
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2. do not operate compressors in explosive atmospheres, such as in the pres- ence of flammable liquids, gases, or dust. Compressors create sparks which may ignite the dust or fumes. 3. Keep bystanders, children, and visitors away while operating a compressor. Provide barriers or shields as needed. ELECTRiCAL SAFETY 1. Grounded compressors must be plugged into an outlet properly installed and grounded in accordance with all codes and ordinances. Never remove the grounding prong or modify th
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6. use safety equipment. Always wear eye protection. Make sure you are wear- ing your protective clothing, safety glasses with side shields and dust mask or air respirator, if appropriate. TOOL uSE ANd CARE 1. do not force the compressor. use the correct compressor for your applica - tion. The correct compressor will do the job better and safer at the rate for which it is designed. Never attempt to force the compressor to provide more pressure than it was designed for. 2. do not use the c
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SPECiFiC SAFETY RuLES 1. CAuTiON! Prior to its first use, and thereafter prior to each subsequent use, make sure to fill the Air Compressor with a premium quality, 30 weight, non- detergent oil to the specified level. Running the Air Compressor with no oil or with low oil will cause damage to the equipment and void its warranty. Refer to the “Operating Instructions” section for details on filling the Air Compressor with oil. 2. When filling the Air Compressor with oil, make sure to unscrew
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sor parts when the unit is connected to electrical power. Always have compressor safety guards in place before turning compressor on. 13. use approved air hose. Never use plastic or PVC pipe (unless specified for Air Compressors) to carry air under pressure. Regardless of its pressure rating, it can burst under pressure. Use only metal pipe. 14. Never plug the power cord of this product into an electrical outlet while standing on a wet or damp surface. 15. THiS AiR COMPRESSOR MAY REquiRE A d
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Symbology Double Insulated Canadian Standards Association Underwriters Laboratories, Inc. Volts Alternating Current V~ Amperes A No Load Revolutions per Minute n xxxx/min. 0 (RPM) To extend the life of your air tools and equipment, install an oiler and water filter in series with the Air Outlet Valve (4) of the Air Compressor. ASSEMbLY iNSTRuCTiONS To Attach A Power Cord Plug: The Power Cord (31) requires the attachment of a 240 volt, grounded, 3-Prong Plug (not included). For safety purpos
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To Fill The Air Compressor With Oil: OiL FiLL CAP (28) OiL LEVEL iNdiCATOR (35) AiR OuTLET VALVE (4) FiGuRE d 1. CAuTiON! Prior to its first use, and thereafter prior to each subsequent use, make sure to fill the Air Compressor with a premium quality, 30 weight, non-detergent oil. Running the Air Compressor with no oil or low oil will cause damage to the equipment and void its warranty. 2. When filling the Air Compressor with oil, make sure to unscrew (do not pull) the Oil Fill Cap (28)
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3. To mount the Air Compressor, with assistance, move the unit to the location where it is to be used. Using the four 1/2” diameter mounting holes on the feet of the Air Compressor as a template, mark the spots where four 1/2” diameter holes will be drilled in the concrete or wood floor. Then, temporarily set the Air Compressor aside. 4. Use a masonry drill bit to drill the four 1/2” diameter holes (about 3”-4” deep) into the concrete. Make sure to blow out the concrete dust from the dri
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4. Turn the Pressure Adjustment Knob (6) counterclockwise all the way to its “OFF” position. (See Figure E.) 5. Turn Lever on Air Outlet Valve (4) backward to closed position. (See Figure E.) 6. Attach an air hose (not included) to Air Outlet Valve. Then, attach the other end of the air hose to the pneumatic tool that will be used. (See Figure E.) To Start The Air Compressor: 1. Plug the Power Cord Plug (31) into the nearest 240 volt, grounded, electrical out- let. 2. Rotate the Power Swit
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3. Wait several minutes to allow the Air Compressor’s Motor (14) to cool. 4. Press the Overload Reset Button (42) to reset the electrical circuit breaker. If it does not reset, wait a few additional minutes and try again. Then, rotate the Power Switch Lever (9) to its “ON” position to resume work. (See Figure E.) To Turn Off The Air Compressor: 1. When finished using the Air Compressor, press down on its Power Switch Lever (9) to turn off the unit. (See Figure E.) 2. Disconnect the Power
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iNSPECTiON, MAiNTENANCE, ANd CLEANiNG 1. WARNiNG! Always make sure the Power Switch Lever (9) is in its “OFF” position, the Air Compressor is disconnected from its electrical outlet, and all remaining compressed air is expelled from the system before performing any inspection, maintenance, or cleaning. 2. before each use: Inspect the general condition of the Air Compressor. Check for misalignment or binding of moving parts, cracked or broken parts, loose or dam- aged connections, and any
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in the Oil Fill Cap, and screw the Oil Fill Cap back onto the oil fill hole. (See Figure F.) AiR FiLTER bOWL AiR FiLTER WiNG NuT WiNG NuT (39) (38) (36) (36) AiR FiLTER CAP (37) FiGuRE G 5. Weekly: The Air Compressor is equipped with two Air Filters (38) which should be cleaned or replaced on a weekly basis. To clean or replace Air Filters, unscrew and remove Wing Nut (36) on Air Filter Cap (37). Remove Air Filter Cap, Air Filter, and Air Filter Bowl (39). Clean Air Filter with compresse
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SidE ViEW ENd ViEW SCREW (30) SCREW SCREW (30) (30) FiGuRE i 7. Loosen four Screws (30) which hold Motor (14) in place. Then, slide Motor toward Large Belt Wheel to loosen tension on V-Belt (27). (See Figures H and i.) 8. Remove loose V-Belt (27) from Large Belt Wheel and Motor Pulley (14). (See Figure H.) 9. Install a new V-Belt (27) on Large Belt Wheel and Motor Pulley (14). (See Figure H.) 3/4” LARGE bELT WHEEL V-bELT MOTOR PuLLEY (27) (14) FiGuRE J 10. Slide the Motor (14) back toward i
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11. To clean, use a shop vacuum cleaner, or use compressed air. 12. When storing, make sure to keep the Air Compressor in a safe, clean, and dry location out of reach of children. 13. CAuTiON! All maintenance, service, or repairs not listed in this manual are only to be attempted by a qualified service technician. LiMiTEd 1 YEAR / 90 dAY WARRANTY Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original p
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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 REPLACEM
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ASSEMbLY diAGRAM REV 10g SKU 65903 For technical questions, please call 1-800-444-3353. Page 17
