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Page 17

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

SKU 68064 

        

Problem

Possible Causes

Likely Solutions

High Oil 

Consumption

1.  Crankcase oil too thin. 

2.  Unit not on level surface.
3.  Crankcase vents clogged.

1.  Drain oil and refill to proper level with recommended 

oil.

2.  Reposition unit on a level surface.
3.  Clean Crankcase vents.

Overheating

1.  Filters need cleaning/replacing. 

2.  Crankcase oil too thin or 

incorrect type.

3.  Crankcase oil level too low. 

4.  Unusually dusty environment. 

5.  Cord is too small of a gauge or 

too long to handle compressor. 

6.  Unit not on level surface.

1.  Check inlet and outlet filters. Clean and/or replace as 

needed.

2.  Drain oil and refill to proper level with recommended 

oil.

3.  Add oil to proper level, check for leaks. 

4.  Clean and/or replace filters more often or move unit to 

cleaner environment.

5.  Increase cord size or use shorter length extension 

cord, or eliminate extension cord. See Recommended 

Wire Gauge for Extension Cords in Safety section.

6.  Reposition unit on a level surface.

Compressor 

starts and stops 

excessively

1.  Compressor not large enough 

for job. 

2.  Loose fittings.

1.  Check if accessory SCFM is met by Compressor. If 

Compressor doesn’t reach accessory SCFM, you need 

a larger Compressor.

2.  Reduce air pressure, then check all fittings with a soap 

solution for air leaks and tighten as needed. Do not 

overtighten.

Excessive noise

1.  Crankcase overfilled with oil 

or oil is incorrect thickness or 

type.

2.  Crankcase oil level too low.
3.  Loose or damaged belt guard.
4.  Loose fittings. 

 

5.  Unit not on level surface.

1.  Drain oil and refill to proper level with recommended 

oil. 

2.  Add oil to proper level, check for leaks.
3.  Replace belt guard.
4.  Reduce air pressure, then check all fittings with a soap 

solution for air leaks and tighten as needed. Do not 

overtighten.

5.  Reposition unit on a level surface.

Moisture in 

discharge air

Too much moisture in air.

Install inline air filter/dryer, and/or relocate to less humid 

environment.

Oil in discharge air 1.  Crankcase oil too thin or 

crankcase overfilled with oil.

2.  Crankcase vents clogged.

1.  Drain oil and refill to proper level with recommended 

oil.

2.  Clean Crankcase vents.

Safety Valve “pops” Safety valve needs service.

Pull on test ring of safety valve. If it still pops, replace.

Air leaks from pump 

or fittings

Loose fittings.

Reduce air pressure, then check all fittings with a soap 

solution for air leaks and tighten as needed. Do not 

overtighten.

Air leaks from tank Defective or rusted tank.

Have tank replaced by a qualified technician.

 Follow all safety precautions whenever diagnosing or servicing the 

compressor.  Disconnect power supply before service.

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 

REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS, AND NOT BY THE 

BUYER.  THE 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.

Summary of Contents for CentralPneumatic 68064

Page 1: ...ght 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 Diagrams with...

Page 2: ...UNPACKING 8 INSTRUCTIONS FOR PUTTING INTO USE 8 FUNCTIONS 8 WORK PIECE AND WORK AREA SET UP 9 ASSEMBLY 9 SET UP 9 CHECKING THE OIL 10 GENERAL OPERATING INSTRUCTIONS 11 EMERGENCY DEPRESSURIZATION 12 AU...

Page 3: ...in death or serious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to address practices n...

Page 4: ...dequate protection Eye protection must be ANSI approved and breathing protection must be NIOSH approved for the specific hazards in the work area 4 Compressor use and care a Do not use the compressor...

Page 5: ...9 Add correct amount of compressor oil before first use and every use Operating with the incorrect amount of oil causes permanent damage and voids warranty To prevent damage do not use with overfille...

Page 6: ...maker interference or pacemaker failure 21 WARNING The brass components of this product contain lead a chemical known to the State of California to cause birth defects or other reproductive harm Calif...

Page 7: ...e equipment grounding conductor to a live terminal 4 Check with a qualified electrician or service personnel if the grounding instructions are not completely understood or if in doubt as to whether th...

Page 8: ...ad the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product TO PREVENT SERIOUS INJURY FROM ACCI...

Page 9: ...Bushing 76 Frame Nut 77 To attach the Wheels 73 to the frame a Slide the Washer 75 Wheel 73 and Bushing 76 onto the Bolt 74 b Slide the Bolt through the frame hole and secure in place with the Nut 77...

Page 10: ...level before operation Fill the Pump Crankcase 41 with approximately 5 6 oz of premium quality SAE 30 weight non detergent air compressor oil IMPORTANT Running the Air Compressor with the incorrect am...

Page 11: ...ight 3 Check for oil leaks and check the oil level See Checking the Oil 4 Close the in line Shutoff Valve between the compressor and the air hose 5 Make sure the air tool s throttle or switch is in th...

Page 12: ...se any built up moisture and the internal tank pressure Close the valve after moisture has drained out Do not remove the Drain Valve 18 Clean then store the Air Compressor indoors Emergency Depressuri...

Page 13: ...external surfaces of the tool with a clean cloth 3 WARNING If the supply cord of this power tool is damaged it must be replaced only by a qualified service technician Maintenance Schedule Following a...

Page 14: ...w compressor oil to the FULL level on the Oil Sight Glass 35 f Replace and tighten the Oil Plug g Discard the old oil according to local state and federal regulations Draining Moisture from the Tank T...

Page 15: ...enance Figure 8 Air Filter 2 Cylinder Head 8 Check the Air Filter 2 weekly to see if it needs replacement If working in dirty environments you may need to replace the filter more often To replace the...

Page 16: ...cally before reaching full pressure Circuit breaker trips 1 Cold weather 2 Extension cord usage 3 Engine too hot 1 Press the Reset Button then start Compressor in a heated area if temperatures drop be...

Page 17: ...il 2 Add oil to proper level check for leaks 3 Replace belt guard 4 Reduce air pressure then check all fittings with a soap solution for air leaks and tighten as needed Do not overtighten 5 Reposition...

Page 18: ...over Gasket 1 41 Crankcase 1 42 Washer 14 43 Bolt M5 x 16 10 44 Manual Overload Protector 1 45 Oil Seal 1 46 Bearing 1 47 Rotator 1 48 Bearing 1 49 Stator 1 50 Automatic Thermal Protector 1 Part Descr...

Page 19: ...Page 19 For technical questions please call 1 800 444 3353 SKU 68064 ASSEMBLY DIAGRAM...

Page 20: ...of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES...

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