Harbor Freight Tools 67697 Maintenance Servicing, Cleaning, Maintenance, Lubrication

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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 Oil Fill Plug.

Cold Weather Operation

Premium quality 30-weight, non- detergent air compressor oil (sold separately) is recommended for use with this compressor pump. Start the compressor pump in a 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 pump’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.

If uncertain which oil to use, please call Harbor Freight Tools customer service at 1-800-444-3353 for assistance.

WARNING! To prevent serious injury from burns: Do not add or change the oil while the motor is in operation. Allow the components to cool before replacing oil.

After filling with Oil, follow your air compressor operation instructions and safety warnings.

Change the compressor oil after the first hour of use to remove any debris.

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 off and disable the motor 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.

Note: The following maintenance instructions are for this Pump installed on a complete compressor, including all needed components (all sold separately).

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 unit with a clean cloth.

3.WARNING! If the supply cord

of this unit is damaged, it must be replaced only by a qualified service technician.

SKU 67697

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

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Contents PSI 3 HP Twin Cylinder Air compressor Pump For technical questions or replacement parts, please callContents Save This Manual General Compressor SafetyBefore first and every use, verify Pump has sufficient oil Compressor Pump Safety WarningsCompressor Pump use and care 25’ 50’ 100’ 150’ Air Compressor Safety WarningsGrounding Mounting Hole Pattern SpecificationsUnpacking Instructions for putting Into useComponents AssemblyPump Pulley onto the Crankshaft InstallationChecking the Oil Cold Weather Operation Maintenance ServicingCleaning, Maintenance, Lubrication Air Filter Maintenance Maintenance ScheduleOil Maintenance Problem Possible Causes Likely Solutions TroubleshootingPart Description Qty Parts ListAssembly Diagram Limited 90 DAY Warranty