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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).
SKU 68064
For technical questions, please call 1-800-444-3353.
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
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