Checking the oil – Harbor Freight Tools 67708 User Manual

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

SKU 67708

Consult your air tool’s manual for needed

accessories.

checking the oil

Check the oil level before operation.

1.

Fill the Pump Crankcase with premium

quality SAE 30-weight, 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.

Oil Sight Glass (33)

Crankcase Cover (31)

Tank (70)

oVerFIll

loW

Full

OIL LEVEL

Figure 5

2. The oil level should be at the center of

the “full” level on the oil level sight glass,

as shown in Figure 2. Add oil as needed

to maintain this level. Do not let the

oil level go below the center dot (LOW

as shown above) and do not overfill

the oil so that it is above the center dot

(OVERFILL as shown above) on the

sight glass.
To add oil:

3.

Remove the Oil Plug.

a.

Using a funnel to avoid spills, pour

b.

enough oil into the Pump Crankcase

to reach the “full” level in the Oil Sight

Glass.

Replace the Oil Plug.

c.

cold Weather operation

Premium quality SAE 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.
If uncertain which oil to use for this

4.

compressor, please call Harbor Freight

Tools customer service at 1-800-444-

3353 for assistance.
change the compressor oil after the

5.

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.

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