Porter-Cable N078948 - Manual (Page 14)

14 - ENG
Risk of Property Damage. Drain water from air tank may contain oil
and rust which can cause stains.
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.
SERVICE AND ADJUSTMENTS
ALL MAINTENANCE AND REPAIR OPERATIONS NOT LISTED MUST BE
PERFORMED BY TRAINED SERVICE TECHNICIAN.
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.
TO REPLACE REGULATOR MANIFOLD
1. Release all air pressure from air tank. See To Drain Tank in the Maintenance
section.
2. Unplug unit.
3. Remove the console cover.
Hose
Clamp
Safety Valve
Console Cover
4. Using an adjustable wrench remove the safety valve from the regulator
manifold.
5. Remove the hose by removing the hose clamp. NOTE: The hose clamp is not
reusable. You must purchase a new hose clamp, see Replacement Parts in
the Service section or purchase a standard hose clamp at a local hardware
store.
6. Remove pump mounting screws
Pump Mounting Screw securing pump (one on each side).
7. Carefully slide pump from brackets
and out of the way.
8. Using an adjustable wrench remove
the regulator manifold.
9. Apply pipe sealant to new regulator
manifold and assemble, tighten with
wrench.
10. Reapply pipe sealant to safety valve.
11. Reassemble all components in reverse order of removal. Make sure to orient
gauges to read correctly and use wrenches to tighten all components.