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

SKU 68064 

        

use with this compressor.  Start 

compressor in heated area if outdoor 

temperatures drop below 32° F.  If 

this is not practical, drain out the old 

pump oil and use SAE 10W Non-

detergent Air Compressor Oil in the 

pump crankcase instead whenever 

the compressor’s temperature will 

fall below 40°.  Do not use multi-

viscosity oil (such as 10W-30), they 

leave carbon deposits on pump 

components and lead to accelerated 

failure.  Heavy operation may require 

heavier viscosity oil.

4.  If uncertain which oil to use for this 

compressor, please call Harbor 

Freight Tools customer service at 

1-800-444-3353 for assistance.

5. 

Change the compressor oil after 

the first hour of use to remove any 

debris.

 

WARNING!

 To prevent serious injury from 

burns: Do not add or change the oil 

while the compressor is in operation. 

Allow the  compressor to cool before 

replacing oil.

GENERAL OPERATING 

INSTRUCTIONS

  Read 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.

1.  Close the Drain Valve (71) by turning 

it clockwise.

2.  Make sure all nuts and bolts are tight.
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 the off position.

6.  Connect the air tool to the air hose.  
7.  Plug the Air Compressor Power Cord 

into a grounded 120 V electrical 

outlet.

8.  Open the in-line Shutoff Valve.
9.  Turn the Power Lever ON. 
10.  Allow the Air Compressor to build up 

pressure until it cycles off.

Note:

 At the beginning of the day’s first 

use of the Air Compressor, check for 

air leaks by applying soapy water to 

connections while the Air Compressor 

is pumping and after pressure 

cut-out. Look for air bubbles. If air 

bubbles are present at connections, 

tighten connections. Do not use the 

air compressor unless all connections 

are air tight, the extra air leaking out 

will cause the compressor to operate 

too often, increasing wear on the 

compressor.

Note:

 As long as the Power Lever is ON, 

the operation of the Air Compressor 

is automatic, controlled by an internal 

pressure switch. The Compressor will 

turn on automatically when the air 

pressure drops to 95 PSI as indicated 

on the Tank Pressure Gauge (83), 

and will turn off automatically when 

the air pressure reaches 125 PSI 

as indicated. 

IMPORTANT:

 The 

internal pressure switch is not user 

adjustable, 

do not make changes 

to the air pressure settings of the 

internal pressure switch.  

Any 

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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