Porter-Cable C3001 - Manuel (Page 14)

To Replace or Clean Check
Valve
1. Release all air pressure from air
tank. See "To Drain Tank" in the
Maintenance section.
2. Unplug unit.
3. Loosen the nut on the outlet tube
and move the outlet tube to the
side.
14 - ENG A02492
To Drain Tank
1. Set the On/Auto/Off lever to
"OFF".
2. Pull the regulator knob out and
turn counterclockwise to set the
outlet pressure to zero.
3. Remove the air tool or accessory.
4. Pull ring on safety valve allowing
air to bleed from the tank until
tank pressure is approximately
20 psi. Release safety valve ring.
5. Drain water from
air tank by opening
drain valve on
bottom of tank.
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. 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.
Open Drain
Valve
Closed Drain
Valve
SERVICE AND ADJUSTMENTS
Risk of Unsafe Operation. Unit cycles automatically when
power is on. When servicing, you may be exposed to
voltage sources, compressed air, or moving parts. Before servicing unit
unplug or disconnect electrical supply to the air compressor, bleed tank of
pressure, and allow the air compressor to cool.
ALL MAINTENANCE AND REPAIR OPERATIONS NOT LISTED MUST BE
PERFORMED BY TRAINED SERVICE TECHNICIAN.
4. Unscrew the check valve (turn
counter-clockwise) using a
socket wrench.
5. Make sure the valve disc moves
freely inside the check valve and
the spring holds the disc in the
upper, closed position. The
check valve may be cleaned with
a solvent, such as paint and
varnish remover.
6. Apply sealant to the check valve
threads. Reinstall the check valve
(turn clockwise).
7. Replace the pressure outlet tube
and tighten the nut.
8. Perform the Break-in Procedure.
See "Break-in Procedure" in the
Operation section.
Outlet Tube
Check Valve
Nut