Air Compressor Pump Intake And Exhaust Valves; Service And Adjustments; To Replace Or Clean Check Valve; Air Filter Inspection And Replacement - Porter-Cable C5101 Instruction Manual

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, the reinstalled.

Air Filter Inspection and Replacement

to cool prior to servicing.
A dirty air filter will not allow the compressor pump to operate at full capacity.
Before you use the compressor pump, check the air filter to be sure it is clean
and in place.
If it is dirty, replace it with a new filter. On some models, the filter may be
removed by using a pair of needle nose pliers or a screwdriver. Pull or pry out
the old filter and carefully clean the filter area. Push in the new air filter.

Air Compressor Pump Intake and Exhaust Valves

Once a year have a Trained Service Technician check the air compressor pump
intake and exhaust valves.

To Replace or Clean Check Valve

1. Release all air pressure from air tank. See "To Drain Tank" in the
"Maintenance" section.
2. Set the On/Auto/Off lever to "Off" and unplug unit.
3. Remove shrouds.
4. Using an adjustable wrench loosen
outlet tube nut at air tank and pump.
Carefully move outlet tube up away from
check valve.
5. Using an adjustable wrench loosen
pressure relief tube nut at air tank
and pressure switch. Carefully move
pressure relief tube away from check
valve.
A10208
Risk of Bursting. Water will condense in the air tank. If
not drained, water will corrode and weaken the air tank
Hot surfaces. Risk of burn. Compressor heads are
exposed when filter cover is removed. Allow compressor
Keep the air filter clean at all times. Do not operate the air
compressor with the air filter removed.

SERVICE AND ADJUSTMENTS

Outlet Tube
16- ENG
Check
Valve