Harbor Freight Tools 60638 Owner's Manual
Table of Contents
Safety ......................................................... 2
Specifications ............................................. 5
Instructions for putting into use................... 6
SAFETY MAINTENANCE PARTS LISTSETUP
This is the safety alert symbol. It is used to alert you to potential personal injury hazards.
Maintenance .............................................. 11
Parts List and Diagram .............................. 14
Warranty .................................................... 16
WARNING SYMBOLS AND DEFINITIONS
Obey all safety messages that follow this symbol to avoid possible injury or death.
Indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
Addresses practices not related to personal injury.
IMPORTANT SAFETY INFORMATION
General Safety Warnings
WARNING Read all safety warnings and instructions.
Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.
Save all warnings and instructions for future reference.
The warnings, precautions, and instructions discussed in this instruction manual cannot cover all possible
conditions and situations that may occur. It must be understood by the operator that common sense
and caution are factors which cannot be built into this product, but must be supplied by the operator.
1. Work area safety
a. Keep work area clean and well lit.
Cluttered or dark areas invite accidents.
b. Do not operate the Compressor Pump in
explosive atmospheres, such as in the
presence of flammable liquids, gases or dust.
Compressor pump motors produce sparks
which may ignite the dust or fumes.
c. Keep children and bystanders away
from an operating compressor pump.
2. Personal safety
a. Stay alert, watch what you are doing
and use common sense when operating
this compressor pump. Do not use this
compressor pump while you are tired
or under the influence of drugs, alcohol
or medication. A moment of inattention
while operating a compressor pump may
result in serious personal injury.
b. Use personal protective equipment.
Always wear ANSI-approved eye
protection during setup and use.
Page 2 For technical questions, please call 1-800-444-3353. Item 60638
General Safety Warnings (continued)
3. Compressor Pump use and care
a. Disconnect the plug of the compressor
motor from the power source before
installing, making any adjustments, changing
accessories, or storing the Compressor
Pump. Such preventive safety measures
reduce the risk of starting the unit accidentally.
b. Store an idle compressor pump out of the
reach of children and do not allow persons
unfamiliar with the compressor pump or these
instructions to operate it. A compressor pump
is dangerous in the hands of untrained users.
c. Maintain the Compressor Pump. Keep the
Compressor Pump clean for better and
safer performance. Follow instructions
for lubricating and changing accessories.
Keep dry, clean and free from oil and grease.
Compressor Pump Safety Warnings
1. ONLY a qualified engineer with appropriate
certifications may attempt designing a new
compressor to ensure that all required safety
and control elements are in place and will work
together properly and safely. This compressor
pump is intended ONLY as a replacement
for a similarly rated pump on an existing
compressor that includes all other needed
components. Constructing a new compressor
using this pump is not covered by this manual.
2. Use Safety Guard for Pulleys. The Air
Compressor Pump Pulley (47), V-belt (not
included), and motor pulley (not included) must
be covered by a safety guard (not included)
covering all moving elements before operation.
3. Before first and every use, verify
Pump has sufficient oil.
4. The use of accessories or attachments not
recommended by the manufacturer may
result in a risk of injury to persons.
5. Misalignment between Motor and Pump
can damage the Pump Pulley. Use a
straight edge, such as a yardstick, to check
and adjust alignment as needed.
6. Use proper size motor and motor pulley.
This Air Compressor Pump must be installed
with a 3 HP electric motor and pulley (both not
included) which can turn the Air Compressor
Pump Pulley at approximately 1050 rpm.
Check for misalignment or binding of moving
parts, breakage of parts and any other
condition that may affect the compressor’s
operation. If damaged, have the compressor
repaired before use. Many accidents are caused
by a poorly maintained compressor pump.
d. Use the Compressor Pump in accordance
with these instructions, taking into account
the working conditions and the work to be
performed. Use of the Compressor Pump
for operations different from those intended
could result in a hazardous situation.
4. Service
a. Have the Compressor Pump serviced by a
qualified repair person using only identical
replacement parts. This will ensure that the
safety of the Compressor Pump is maintained.
7. Install motor, pulley belt and pulley belt cover
securely. Be sure to use the proper size bolts
to install the motor (not included). The belt and
belt cover (not included) must be strong enough
to prevent breaking and possible injury.
8. Be sure all equipment is rated to the
appropriate capacity of this pump. Make sure
that the lowest rated piece of equipment being
used can handle the maximum pressure of the
Air Compressor Pump (see Specifications).
9. Do not direct the air stream at
any person or animal.
10. Avoid burns. The Cylinder (18), Cylinder
Head (4) and Air Outlet components become
very hot during operation. Do not touch.
11. Industrial applications must follow OSHA guidelines.
12. Maintain labels and nameplates on the
Compressor Pump. These carry important safety
information. If unreadable or missing, contact
Harbor Freight Tools for a replacement.
13. This product is not a toy.
Keep it out of reach of children.
14. 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).
(California Health & Safety code § 25249.5, et seq.)
SAFETYMAINTENANCEPARTS LIST SETUP
Page 3For technical questions, please call 1-800-444-3353.Item 60638
Air Compressor Safety Warnings
1. Risk of fire or explosion - do not spray flammable
liquid in a confined area or towards a hot surface.
Spray area must be well-ventilated. Do not
SAFETY MAINTENANCE PARTS LISTSETUP
smoke while spraying or spray where spark or
flame is present. Arcing parts - keep compressor
at least 20 feet away from explosive vapors,
such as when spraying with a spray gun.
2. Risk of bursting - do not adjust regulator higher
than marked maximum pressure of attachment.
3. Risk of injury - do not direct air
stream at people or animals.
4. Do not use to supply breathing air.
5. Do not leave compressor unattended
for an extended period while plugged in.
Unplug compressor after working.
6. Keep compressor well-ventilated.
Do not cover compressor during use.
7. Drain tank daily and after use. Internal rust causes
tank failure and explosion.
8. Add correct amount of compressor oil before first
use and every use. Operating with low or no oil
causes permanent damage and voids warranty.
9. Do not remove the valve cover or
adjust internal components.
10. Compressor head gets hot during operation.
Do not touch it or allow children nearby during
or immediately following operation.
11. Do not use the air hose to move the compressor.
12. Release the pressure in the
storage tank before moving.
13. The use of accessories or attachments not
recommended by the manufacturer may
result in a risk of injury to persons.
14. All air line components, including hoses, pipe,
connectors, filters, etc., must be rated for a minimum
working pressure of 150 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:
TABLE A: RECOMMENDED MINIMUM WIRE
GAUGE FOR EXTENSION CORDS
(120 VOLT)
NAMEPLATE
AMPERES
(at full load)
0 – 6 18 16 16 14
6.1 – 10 18 16 Do not use.
10.1 – 12 16 16 Do not use.
12.1 – 16 14 12 Do not use.
a. Make sure your extension cord
is in good condition.
b. Be sure to use an extension cord which is heavy
enough to carry the current your product will draw.
An undersized cord will cause a drop in line
voltage resulting in loss of power and overheating.
Table A shows the correct size to use depending
on cord length and nameplate ampere rating.
If in doubt, use the next heavier gauge. The
smaller the gauge number, the heavier the cord.
16. Operate unit on level surface. Check oil level
daily and fill to marked level if needed.
17. People with pacemakers should consult their
physician(s) before use. Electromagnetic fields in
close proximity to heart pacemaker could cause
pacemaker interference or pacemaker failure.
EXTENSION CORD
LENGTH
25′ 50′ 100′ 150′
SAVE THESE INSTRUCTIONS.
Page 4 For technical questions, please call 1-800-444-3353. Item 60638
Grounding
TO PREVENT ELECTRIC SHOCK AND DEATH
FROM INCORRECT GROUNDING WIRE CONNECTION:
Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded.
Do not modify the power cord plug provided with any motor used with this Compressor Pump.
Never remove the grounding prong from the plug. Do not use the motor if the power cord or plug is damaged.
If damaged, have it repaired by a service facility before use. If the plug will not fit the outlet, have a proper
outlet installed by a qualified electrician.
Symbology
SAFETYMAINTENANCEPARTS LIST SETUP
PSI
CFM
SCFM
NPT
NPS
Pounds per square inch of pressure
Cubic Feet per Minute flow
Cubic Feet per Minute flow
at standard conditions
National pipe thread, tapered
National pipe thread, straight
Double Insulated
Specifications
Canadian Standards Association
Underwriters Laboratories, Inc.
V
~
A
Type Single Stage Twin Cylinder; Oil Lubricated
Required HP 3 HP motor
Rated Air Pressure 145 PSI
Volts
Alternating Current
Amperes
Maximum Speed 1050 RPM
Air Outlet 3/4" –14 NPT
Air Delivery
@ 1050 RPM
Lubrication Splash Type with Oil Level Window
Oil Type
Pump Pulley 12-1/2" diameter with single V-groove
Belt Type A 1397
Mounting Hole
Pattern
Recommended
Mounting Bolts
Overall Dimensions 12-1/2" L x 11" W x 16-1/2" H
Sound Level 87 dB @ 1m
11 SCFM @ 40 PSI
10 SCFM @ 90 PSI
SAE 30W non-detergent Air Compressor Oil
(Sold separately)
5-11/16" x 7-1/4" (center-to-center)
Four 3/8" diameter holes
5/16" diameter, grade 5 or better
Page 5For technical questions, please call 1-800-444-3353.Item 60638
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