4.Replace the oil drain plug (B).

5.Slowly fill crankcase with oil. Crankcase capacity is 8 fluid ounces (236.6 ml). Oil level should be at the + (full) mark on the dipstick.

Risk of Unsafe Operation. Overfilling with oil will cause premature compressor failure. Do not overfill.

6.Replace dipstick (A).

Air Filter - Inspection and Replacement

Risk of Burns. Compressor head and cylinder sleeve are very hot. Do not touch. Allow compressor to cool prior

to servicing.

A dirty air filter will not allow the compressor to operate at full capacity. Keep the air filter clean at all times.

1.Set the On/Auto/Off lever to “OFF” and unplug unit.

2.Remove the air filter cover.

3.Remove the air filter from filter cover.

IMPORTANT: Do not operate the compressor with the air filter removed.

4.Place new air filter into filter cover. Refer to the “Repair Parts” for the correct part number.

5.Replace air filter cover and lock into place.

Motor

The motor has an automatic reset thermal overload protector. If the motor overheats for any reason, the overload protector will shut off the motor. The motor must be allowed to cool down before restarting. The compressor will automatically restart after the motor cools.

If the overload protector shuts the motor off frequently, check for a possible voltage problem. Low voltage can also be suspected when:

1.The motor does not get up to full power or speed.

2.Fuses blow out when starting the motor; lights dim and remain dim when motor is started and is running.

3.See "Troubleshooting" for more information.

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Porter-Cable C3555 instruction manual Air Filter Inspection and Replacement, Motor