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SKU 65903 

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

 

Page 2

PROduCT SPECiFiCATiONS

Motor

240 V~ / 60 Hz / 9 A (Load) / Single Phase / 4 HP Peak /

3 HP Working / 3,400 RPM / Two Capacitor (Run & Start)

Overload Reset Button

15 A

Power Cord

12 Gauge, 3-Wire (Stripped), 10 Ft. Long

240 Volt Power Cord Plug Not Included.

Air Tank Capacity

29 Gallons

SCFM Airflow

8.74 @ 40 PSI / 7.7 @ 70 PSI / 

7.47 @ 90 PSI / 6.67 @ 115 PSI

Compressor Pump Type

Dual V-Head Cylinder / Belt Driven

Safety Valve Setting

120 PSI

Air Pressure Gauge Indicators

0-200 PSI in 5 PSI Increments

Automatic Shut Off Capability

Shut Off at 115 PSI / Starts at 80 PSI

Required Air Quick Connector  (Not Included)

1/4”-18 NPT Quick Connector

V-Belt Size

A1118 Li

Base Mounting Holes

Qty. 4 @ 1/2” Diameter

uNPACKiNG

When unpacking, check to make sure all the parts shown on the 

Parts List 

at the 

end of the manual are included.  If any parts are missing or broken, please call Harbor 

Freight Tools at the number shown on the cover of this manual as soon as possible.

SAVE THiS MANuAL

You will need this manual for the safety warnings and precautions, assembly, 

operating, inspection, maintenance and cleaning procedures, 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 refer-

ence.

GENERAL SAFETY RuLES

WARNiNG!

REAd ANd uNdERSTANd ALL iNSTRuCTiONS

Failure to follow  all instructions listed below may 

result in electric shock, fire, and/or serious injury.

SAVE THESE iNSTRuCTiONS

WORK AREA

Keep your work area clean and well lit.

1. 

  Cluttered benches and dark areas invite 

accidents.

Summary of Contents for 65903

Page 1: ...Copyright 2008 by Harbor Freight 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 Harbo...

Page 2: ...4 1 2 Diameter UNPACKING When unpacking check to make sure all the parts shown on the Parts List at the end of the manual are included If any parts are missing or broken please call Harbor Freight Too...

Page 3: ...to pull the Plug from an outlet Keep the Power Cord away from heat oil sharp edges or moving parts Replace damaged Power Cords immediately Damaged Power Cords increase the risk of electric shock An e...

Page 4: ...mpressors out of reach of children and other untrained persons 4 Compressors are dangerous in the hands of untrained users Maintain compressors with care Keep all components of this product clean 5 an...

Page 5: ...quipment from the unit before performing any services or maintenance Avoid injury Never direct the air jet at people or animals 6 Inspect safety valve daily 7 If the safety valve is not working proper...

Page 6: ...s before using this product Electromagnetic fields in close proximity to a heart pacemaker could cause interference to or failure of the pacemaker 20 WARNING The brass components of this product cont...

Page 7: ...ng Plug not included For safety purposes only a qualified certified electrician should attach a Plug to the Power Cord Never modify the Plug in any way To com ply with the National Electric Code and t...

Page 8: ...See Figure D Once the Oil Fill Cap 28 is removed fill the Air Compressor with a premium qual 3 ity 30 weight non detergent oil until the level of the oil rises to the midway point in the Oil Level In...

Page 9: ...g holes in its legs with the four pre drilled 1 2 holes in the concrete or wood Then use four minimum 3 long 1 2 diameter concrete an chor bolts or lag bolts not included to secure the Air Compressor...

Page 10: ...e Air Outlet Valve 4 forward to its open position in order to supply air to the pneumatic tool See Figure E If necessary turn the Pressure Adjustment Knob 6 7 clockwise to increase air pressure to the...

Page 11: ...Compressor press down on its Power Switch Lever 9 1 to turn off the unit See Figure E Disconnect the Power Cord Plug 31 from its electrical outlet 2 Turn on the pneumatic tool to expend all remaining...

Page 12: ...FILL HOLE PCV FILTER 41 OIL FILL CAP 28 3 Before each use Make sure to fill the Air Compressor with a premium quality 30 weight non detergent oil Running the Air Compressor with no oil or low oil will...

Page 13: ...er Cap Air Filter and Air Filter Bowl 39 Clean Air Filter with compressed air or if necessary re place old Air Filter with a new Air Filter Clean Air Filter Cap and Air Filter Bowl with a mild solvent...

Page 14: ...Belt 27 on Large Belt Wheel and Motor Pulley 14 9 See Figure H MOTOR PULLEY 14 LARGE BELT WHEEL 3 4 V BELT 27 FIGURE J 10 Slide the Motor 14 back toward its original position to tighten the tension o...

Page 15: ...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 damages arising from the u...

Page 16: ...month and year of purchase instead Note Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts Part Description Qty 1 Flat Washer 8 4 2...

Page 17: ...SKU 65903 For technical questions please call 1 800 444 3353 Page 17 ASSEMBLY DIAGRAM REV 10g...

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