5.Drain water from air tank by opening drain valve (counter-clockwise) on bottom of tank. NOTE: Tilt tank to drain tank completely.

Risk of of Bursting. Water will condense in the air tank. If not drained, water will corrode and weaken the air tank

causing a risk of air tank rupture.

6.After the water has been drained, close the drain valve (clockwise). The air compressor can now be stored.

NOTE: If drain valve is plugged, release all air pressure. The valve can then be removed, cleaned, then reinstalled.

Oil

Risk of Bursting. Drain tank to release air pressure before removing the dipstick or oil drain plug. See “To Drain

Tank” in this section.

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

to servicing.

Risk from Flying Objects. Make sure air

vent (C) in dipstick is free from debris. If air vent is blocked pressure can build in crankcase causing damage to air compressor and possible personal injury. See Troubleshooting for correction.

Risk of Unsafe Operation. Overfilling

with oil will cause premature compressor failure. Do not overfill.

Checking

 

C

 

 

A

 

 

(+)Full

+

B

(-)Add

-

 

 

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

2.Remove dipstick (A) and check oil on dipstick for visual signs of contaminants (water, dirt, etc).

3.Wipe oil from dipstick.

4.Replace dipstick and allow oil to collect on dipstick.

5.Remove dipstick and check oil level on dipstick, + mark indicates full and the - mark indicates add oil. If oil level is below - mark, slowly add oil until it reaches the + (full) mark on the dipstick.

NOTE: Use an oil specifically formulated for use in an air compressor, such as Porter-Cable PAS1 air compressor oil. Oil may be found at the store where the air compressor was purchased.

6.Replace dipstick (A).

Changing

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

2.Remove the dipstick (A).

3.Remove the oil drain plug (B) and drain oil into a suitable container.

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Porter-Cable C3555 instruction manual Oil, Changing