Service And Adjustments; To Replace Or Clean Check Valve - Porter-Cable C3101 Instruction Manual

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.
Pantone 165- Warning orange

To Replace or Clean Check Valve

1. Release all air pressure from air tank. See "To Drain Tank" in the
Maintenance section.
2. Unplug outfit.
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.
6. Using a screwdriver, carefully
push the valve disc up and down.
NOTE: The valve disc should
move freely up and down on a
spring which holds the valve disc
in the closed position, if not the
check valve needs to be cleaned
or replaced.
7. Clean or replace the check valve.
A solvent, such as paint or varnish
remover can be used to clean the
check valve.
8. Apply sealant to the check valve
threads. Reinstall the check valve (turn clockwise).
9. Replace the pressure release tube. Tighten nuts.
10. Replace the outlet tube and tighten nuts.
11. Perform the Break-in Procedure. See "Break-in Procedure" in the
Operation section.
A10382

SERVICE AND ADJUSTMENTS

Unit cycles automatically when power is on. When doing
Maintenance, you may be exposed to voltage sources,
16 - ENG