Page 8 For technical questions, please call 1-888-866-5797. ITEM 61693
SAFETY SETUP OPERATION MAINTENANCE
Checking the Oil
1. Check the oil level before operation. Fill the
Crankcase (38) with SAE 30W, non-detergent,
Air Compressor Oil (sold separately).
IMPORTANT: Running the Air Compressor with
the incorrect amount of oil will cause damage
to the equipment and void the warranty. To
prevent damage, do not use with overfilled or
low oil. Slowly fill to full line, wait 2 minutes
and fill back up to full line. Compressor
has small passages that will fill slowly.
2. The oil level should be at the center of the “full”
level on the Oil Sight Glass (34), as shown in
Figure F. Add oil as needed to maintain this level.
Do not let the oil level go below the center dot
(LOW, as shown in Figure F) and do not overfill the
oil so that it is above the center dot (OVERFILL,
as shown in Figure F) on the Sight Glass.
Oil Sight Glass (34)Crankcase Cover (32)
OVERFILL
LOW
FULL
Figure F: Oil Sight Glass
3. To add oil:
a. Remove the Oil Breather Plug (31).
b. Using a funnel to avoid spills, pour
enough oil into the Crankcase to reach
the “full” level in the Oil Gauge.
c. Replace the Oil Breather Plug.
Cold Weather Operation
Premium quality 30-weight, non-detergent air
compressor oil (sold separately) is recommended
for 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,
call Harbor Freight Tools customer service
at 1-888-866-5797 for assistance.
5. Change the compressor oil after the first
hour of use to remove any debris.
CAUTION! TO PREVENT INJURY FROM BURNS:
Do not add or change the oil while the compressor
is in operation.
Allow the compressor to cool before replacing oil.
Break-in Procedure
1. Set the ON/OFF Power Lever to
OFF and unplug the unit.
2. Insert a male coupler (sold separately)
into the Quick Coupler (55) and fully
open all regulators and valves.
3. Plug in the Power Cord.
4. Set the ON/OFF Power Lever to ON.
5. Let the unit run for 30 minutes.
Air will expel freely through the Coupler.
6. Set the ON/OFF Power Lever to OFF.
7. Unplug the Power Cord and
remove the male coupler.
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