Porter-Cable Oil Lube Two Stage D24225-049-2 - Manual (Page 19)

19- ENG D24225
SERVICE AND ADJUSTMENTS
Unit cycles automatically when power is on. When doing
Maintenance, you may be exposed to voltage sources,
compressed air or moving parts. Personal injuries can occur. Before
performing any Maintenance or repair, unplug the compressor and bleed
off all air pressure.
ALL MAINTENANCE AND REPAIR OPERATIONS NOT LISTED MUST BE
PERFORMED BY TRAINED SERVICE TECHNICIAN.
Before servicing:
●
Unplug or disconnect electrical supply to the air compressor.
●
Bleed tank of pressure.
●
Allow the air compressor to cool.
To Replace or Clean Check Valve
1. Release all air pressure from air tank. See "To Drain Tank" in the
Maintenance section.
2. Turn air compressor off, lock out the power supply, and relieve all air
pressure from the air tank.
3. Using an adjustable wrench loosen outlet tube nut at air tank and pump.
Carefully move outlet tube away from check valve.
4. Using an adjustable wrench loosen pressure relief tube nut at air tank and
pressure switch. Carefully move pressure relief tube away from check
valve.
5. Unscrew the check valve (turn counterclockwise) using a 7/8" open end
wrench. Note the orientation for reassembly.
Pressure
Relief Tube
Outlet Tube
Check
Valve