Porter-Cable C2555 - Manual (Page 19)

19- ENG D29795
SERVICE AND ADJUSTMENTS
To Replace Regulator
1. Release all air pressure from air tank. See "To Drain Tank" in the
Maintenance section.
2. Unplug outfit.
3. Using an adjustable wrench remove the gauges and quick connect from
the regulator.
4. Remove the regulator.
5. Apply pipe sealant tape to the nipple on the pressure switch.
6. Assemble the regulator and orient as shown.
NOTE: Arrow indicates flow of air. Make sure it is pointing
in the direction of air flow.
7. Reapply pipe sealant to gauges and quick connect.
8. Reassemble gauges and quick connect. Orient
gauges to read correctly. Tighten quick connect with
wrench.
Arrow
Regulator
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.