Central Pneumatic 68140 Owner's Manual

Owner's Manual & Safety Instructions Save This Manual 

10FEATURESKNOW YOUR AIR COMPRESSORSee Figure 1.Before attempting to use this product, familiarize yourself with all operating features and safety rule

11PRESSURE VESSELSAir receiver tanks and other pressure containing vessels must be equipped with a properly sized pressure relief valve, pressure gaug

12ASSEMBLYis responsible for providing a suitable foundation & rubber foot mounting where necessary.HIGH ALTITUDE APPLICATIONSRefer to the engine

13 Turn off drain valve until completely closed.CHECKING THE SAFETY VALVESee Figure 4.The safety valve will automatically release air if the air rece

14 Drain moisture from the air tank(s). Never attempt to drain the tank(s) without first relieving the system pressure (using the instruction found i

15OPERATION Following all safety precautions in this manual and the manufacturer’s instructions in the air tool manual, you may now proceed to use yo

16 WARNING:When servicing, use only identical Harbor Freight Tools replacement parts. Use of any other parts may create a hazard or cause product da

17MAINTENANCEYearlyInspect the tank yearly for rust, pin holes, or other imperfections that could cause it to become unsafe.Avoid using solvents when

18Fig. 10ENGINE UNIT1/4 in.(6 mm)ENGINE MOUNTING SCREWBELT ALIGNMENT & ADJUSTMENTSee Figures 7 - 8 - 9 - 10.Drive belts tend to stretch with norma

19MAINTENANCEFig. 12ALLEN SCREWSAIR FILTERTIGHTENING OF HEAD TENSION RODSSee Figure 11. Check that all screws (in particular those of the head of the

2This unit was fully tested and inspected prior to shipment and will operate properly when instructions are followed. Refer to your owner’s manual for

20Fig. 14MAINTENANCEPILOT VALVE ADJUSTMENTSSee Figures 13 - 14.All adjustments made to the pilot valve must be performed by a qualified technician. Th

21TROUBLESHOOTINGProblem Possible Cause SolutionMotor hums or runs slowly when first turned on, but compressor does not start.Motor then stops humming

22TROUBLESHOOTINGProblem Possible Cause SolutionExcessive lubricant consumption and/or excessive lubricant in hose.Crankcase overfilled with lubricant

23TROUBLESHOOTINGProblem Possible Cause SolutionCompressor overheats. High ambient temperature, poor ventilation.Increase ventilation with cooler air.

3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353Limited 90 Day WarrantyHarbor Freight Tools Co. makes every effort t

Page 2 For technical questions, please call 1-888-866-5797. Engine for 69783 Table of ContentsSpecifications ...

Page 3For technical questions, please call 1-888-866-5797.Engine for 69783 SAFETYOPERATIONMAINTENANCE SETUPWARNING SYMBOLS AND DEFINITIONSTh

Page 4 For technical questions, please call 1-888-866-5797. Engine for 69783 SAFETY OPERATION MAINTENANCESETUPSet up Precautions1. Gasoline

Page 5For technical questions, please call 1-888-866-5797.Engine for 69783 SAFETYOPERATIONMAINTENANCE SETUP20. Parts, especially exhaust sy

3 WARNING:Read and understand all instructions. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious p

Page 6 For technical questions, please call 1-888-866-5797. Engine for 69783 SAFETY OPERATION MAINTENANCESETUPSet UpRead the ENTIRE IMPORTAN

Page 7For technical questions, please call 1-888-866-5797.Engine for 69783 SAFETYOPERATIONMAINTENANCE SETUPHigh Altitude Operation Above 300

Page 8 For technical questions, please call 1-888-866-5797. Engine for 69783 SAFETY OPERATION MAINTENANCESETUPOperation Read the ENTIRE IMPO

Page 9For technical questions, please call 1-888-866-5797.Engine for 69783 SAFETYOPERATIONMAINTENANCE SETUPChecking and Filling FuelWARNING!

Page 10 For technical questions, please call 1-888-866-5797. Engine for 69783 SAFETY OPERATION MAINTENANCESETUPManual Start1. To start a co

Page 11For technical questions, please call 1-888-866-5797.Engine for 69783 SAFETYOPERATIONMAINTENANCE SETUP6. Allow the Engine to run for

Page 12 For technical questions, please call 1-888-866-5797. Engine for 69783 SAFETY OPERATION MAINTENANCESETUPMaintenanceWARNINGTO PREVENT

Page 13For technical questions, please call 1-888-866-5797.Engine for 69783 SAFETYOPERATIONMAINTENANCE SETUPChecking and Filling FuelWARNING

Page 14 For technical questions, please call 1-888-866-5797. Engine for 69783 SAFETY OPERATION MAINTENANCESETUPAir Filter Element Maintenanc

Page 15For technical questions, please call 1-888-866-5797.Engine for 69783 SAFETYOPERATIONMAINTENANCE SETUPStorageWhen the equipment is to

4each use, making certain all connections are secure. Do not use if defect is found. Purchase a new hose or notify an authorized service center for ex

Page 16 For technical questions, please call 1-888-866-5797. Engine for 69783 SAFETY OPERATION MAINTENANCESETUPTroubleshootingProblem Possib

Page 17For technical questions, please call 1-888-866-5797.Engine for 69783 SAFETYOPERATIONMAINTENANCE SETUPProblem Possible Causes Probable

Page 18 For technical questions, please call 1-888-866-5797. Engine for 69783 SAFETY OPERATION MAINTENANCESETUPWarrantiesLimited 90 Day Warr

Page 19For technical questions, please call 1-888-866-5797.Engine for 69783 SAFETYOPERATIONMAINTENANCE SETUPHarbor Freight Tools Emission Co

Page 20 For technical questions, please call 1-888-866-5797. Engine for 69783 SAFETY OPERATION MAINTENANCESETUPParts Lists and DiagramsParts

Page 21For technical questions, please call 1-888-866-5797.Engine for 69783 SAFETYOPERATIONMAINTENANCE SETUPAssembly Diagram4842454646434144

Page 22 For technical questions, please call 1-888-866-5797. Engine for 69783 SAFETY OPERATION MAINTENANCESETUPMounting Hole Diagram6.38 in.

Page 23For technical questions, please call 1-888-866-5797.Engine for 69783 SAFETYOPERATIONMAINTENANCE SETUPPower Take-Off Diagram2.43 in. /

3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • 1-888-866-5797

5 Know your power tool. Read operator’s manual carefully. Learn its applications and limitations, as well as the specific potential hazards related t

6Do not adjust regulator to result in output pressure greater than marked maximum pressure of attachment. Do not use at pressure greater than the rate

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80RESSURE3WITCH!UTOMATICALLYCONTROLSTHEONOFFCYCLINGOFTHECOMPRESSOR)TSTOPSTHECOMPRESSORWHENTHECUTOFFPRESSUREINTHETANKISREACHED

9FEATURESFig. 1AIR INTAKE FILTERREAR HANDLEFRONT HANDLEDRAIN VALVEPRESSURE REGULATORKNOBRUBBER FOOTPILOT VALVEDRAIN VALVESAFETY VALVEWHEELTANK PRESSUR