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

SKU 67708 

        

maIntenance and 

SerVIcInG

  Procedures not specifically 

explained in this manual must 

be performed only by a qualified 

technician.

 

to PreVent 

SerIouS InjurY 

From accIdental 

oPeratIon: 

turn the Power Switch “oFF” 

and unplug the compressor from 

its electrical outlet before 

performing any inspection, 

maintenance, or cleaning 

procedures.
to PreVent SerIouS InjurY 

From comPreSSor FaIlure: 

do not use damaged equipment.  

If abnormal noise or vibration 

occurs, have the problem 

corrected before further use.

cleaning, maintenance, and 

lubrication

1. 

beFore eacH uSe,

 inspect the 

general condition of the Air Compressor.  

Check for loose hardware, misalignment 

or binding of moving parts, damaged 

belts, cracked or broken parts, damaged 

electrical wiring, and any other condition 

that may affect its safe operation.

2. 

aFter uSe,

 wipe external surfaces of 

the compressor with a clean cloth.

3. 

WarnInG!  If the supply cord 

of this compressor is damaged, it 

must be replaced only by a qualified 

service technician.

maintenance Schedule

Following are general guidelines 

for maintenance checks of the Air 

Compressor.

note:

 The environment in which the 

compressor is used, and the frequency 

of use can affect how often you will need 

to check the Air Compressor components 

and perform maintenance procedures.

daily:

a. Check oil level.
b. Check for oil leaks.
c. Make sure all nuts and bolts are tight.
d. Drain moisture from air tank.
e. Check for abnormal noise or vibration.
f.  Check for air leaks.

*

g. Wipe off any oil or dirt from the 

compressor.

**

Weekly:

a. Inspect Air Filter (6).
b. Inspect Oil Breather Plug (37).

monthly:

Inspect Safety Valve (73).

every 6 months or 100 operation Hours:

Replace Pump oil.

***

*  To check for air leaks, apply soapy water to 

joints while the Air Compressor is pressurized.  

Look for air bubbles.
**  To clean the compressor surface, wipe with 

a damp cloth, using a mild detergent or mild 

solvent.
***  Use Air Compressor Oil only (sold 

separately - SKU 95048).

Summary of Contents for 67708

Page 1: ...l 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 within this manu...

Page 2: ...ing 8 Instructions for putting into use 8 Functions 8 Assembly Mounting 9 Checking the Oil 10 General Operating Instructions 11 Compressor Area Set Up 11 General Operation 11 Emergency Depressurizatio...

Page 3: ...ided could result in minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to per...

Page 4: ...to operate it A compressor is dangerous in the hands of untrained users d Maintain the compressor Keep the compressor clean for better and safer performance Follow instructions for lubricating and cha...

Page 5: ...0 PSI or 150 of the maximum system pressure whichever is greater 15 USE OF AN EXTENSION CORD IS NOT RECOMMENDED If you choose to use an extension cord use the following guidelines RECOMMENDED MINIMUM...

Page 6: ...the plug will not fit the outlet have a proper outlet installed by a qualified electrician 110 120 V Grounded Compressors Compressors with Three Prong Plugs 1 In the event of a malfunction or breakdo...

Page 7: ...plug illustrated above in 125 V 3 Prong Plug and Outlet 8 The outlet must be properly installed and grounded in accordance with all codes and ordinances 9 Do not use an adapter to connect this compres...

Page 8: ...ant 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 accidental operation Tur...

Page 9: ...minutes Air will expel freely through the Coupler e Turn the Power Switch OFF f Unplug the Power Cord and remove the male coupler 5 Connect a regulator valve an inline shut off valve and a 1 4 NPT air...

Page 10: ...hown above on the sight glass 3 To add oil a Remove the Oil Plug b Using a funnel to avoid spills pour enough oil into the Pump Crankcase to reach the full level in the Oil Sight Glass c Replace the O...

Page 11: ...ild 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 an...

Page 12: ...is necessary to quickly depressurize the Compressor turn the Power Switch OFF Then pull on the ring on the Safety Valve 73 to quickly release stored air pressure Automatic Shut off System 1 Reset But...

Page 13: ...rfaces of the compressor with a clean cloth 3 WARNING If the supply cord of this compressor is damaged it must be replaced only by a qualified service technician Maintenance Schedule Following are gen...

Page 14: ...the FULL level on the Oil Sight Glass f Replace and tighten the Oil Breather Plug g Discard the old oil according to local state and federal regulations Draining Moisture from the Tank The Drain Valve...

Page 15: ...Check that circuit matches compressor requirements 2 Drain oil and refill to proper level with recommended oil 3 Move unit to a warmer location Check that recommended oil is in crankcase 4 Listen for...

Page 16: ...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...

Page 17: ...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 buy...

Page 18: ...Glass 1 34 O Ring 1 35 Drain Plug M5 x 10 1 36 O Ring 1 37 Oil Breather Plug 1 38 Crankcase Cover Gasket 1 39 Pump Crankcase 1 40 Washer M5 10 41 Screw M5 x 16 10 Part Description Qty 42 Manual Overl...

Page 19: ...Page 19 For technical questions please call 1 800 444 3353 SKU 67708 ASSEMBLY DIAGRAM...

Page 20: ...ecial or consequential damages arising from the use of our product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation of exclusion may...

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