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3 HP TWIN TANK AIR

COMPRESSOR

Model

94734

SET uP ANd OPERATINg INSTRuCTIONS

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

©

 2006 by Harbor Freight Tools

®

.  All rights reserved.  No portion of this manual or any artwork con-

tained herein may be reproduced in any shape or form without the express written consent of Harbor Freight 
Tools.  Diagrams within this manual may not be drawn proportionally.  Due to continuing improvements, actual 
product may differ slightly from the product described herein.  Tools required for assembly and service may not 
be included.

For technical questions or replacement parts, please call 1-800-444-3353.

Revised Manual 10d

Summary of Contents for 94734

Page 1: ...s reserved No portion of this manual or any artwork con tained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools Diagrams within this manual may...

Page 2: ...ures 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 refere...

Page 3: ...ld present a fire hazard Always unplug the air compressor and release the air pressure when not in use 5 PERSONAL SAFETY Stay alert Watch what you are doing and use common sense during use Do 1 not us...

Page 4: ...ssor serviced before using Many accidents are caused by poorly maintained compressors Use only accessories that are recommended by the manufacturer for your 7 model Accessories that may be suitable fo...

Page 5: ...afety Release Valve Do not attempt to readjust the automatic start and shutoff valves 8 Any change to the automatic ON OFF pressure levels will cause additional stress on the motor which may result in...

Page 6: ...ain lead a chemical known to the State of California to cause birth defects or other reproductive harm California Health Safety code 25249 5 et seq 21 WARNING The warnings precautions and instructions...

Page 7: ...ly designed for air compressors Never mix oils of different types Never use a low quality oil which may not afford adequate lubrication 4 Replace the Dipstick Install an Air Intake Filter and Hose not...

Page 8: ...UST be below 80 PSI for motor to restart and build up pressure to the 115 PSI cut off pressure 7 Open the Air Flow Valve A 8 and check for air leaks The operation of the compressor is automatic as con...

Page 9: ...r Grip 1 A 4 Safety Valve 1 A 5 ON OFF Switch 1 A 6 Air Tank 2 A 7 Tank Drain Valve 1 A 8 Air Flow Valve 1 A 9 One Way Valve 1 A 10 Air Tube 1 A 11 Base 1 A 12 Rubber Foot 1 A 13 Bolt and Nut 1 ea A 1...

Page 10: ...oad device will trip and the machine will automatically shut down If this happens turn Off the Power Switch A5 wait 10 minutes and check for any obvious problems Reset the Overload Protection Button 4...

Page 11: ...5 Compression Ring 1 B 16 Scraping Oil Ring 1 B 17 Piston 1 B 18 Piston Pin 1 B 19 Crankshaft Retainer 1 B 20 Dip Stick 1 B 21 Screw 1 Item Description Qty B 22 Connecting Rod 1 B 23 Crankshaft 1 B 24...

Page 12: ...e 12 Assembly Drawing B 41 34A 34B Note When ordering parts on this page add the prefix B to the part number Example B 1 is a Screw Note Some parts are listed and shown for illustration purposes only...

Page 13: ...SKU 94734 For technical questions please call 1 800 444 3353 Page 13 Troubleshooting Guide REV 07b...

Page 14: ...our facilities normal wear and tear or to lack of maintenance We shall in no event be liable for death injuries to persons or property or for incidental contingent special or consequential dam ages a...

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