Service And Adjustments - Porter-Cable CPFC2TV3525VP Instruction Manual

ALL MAINTENANCE AND REPAIR
OPERATIONS NOT LISTED MUST
BE PERFORMED BY A TRAINED
SERVICE TECHNICIAN.
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 OR CLEAN
CHECK VALVE
1. Release all air pressure from air
tank. See "To Drain Tank" in the
"Maintenance" section.
2. Set the On/Auto/Off lever to "Off"
and unplug unit.
3. Using a phillips screwdriver,
remove the air filter cover.
Remove the rear shrouds using
T-20 torx wrench.
5. Using an adjustable wrench,
loosen outlet tube nut at air tank.
Carefully move outlet tube away
from check valve.
6. Using an adjustable wrench
loosen pressure relief tube nut at
air tank. Carefully move pressure
relief tube away from check valve.
D21683

SERVICE AND ADJUSTMENTS

Risk of Unsafe
Operation. Unit
Outlet Tube
Pressure
Relief Tube
7. Unscrew the check valve (turn
counterclockwise) using a 7/8"
open end wrench. Note the orien-
tation for reassembly.
8. 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.
4.
In open
position
nothing is
visible.
9. Clean or replace the check valve.
A solvent, such as paint or var-
nish remover can be used to
clean the check valve.
16- ENG
Nut
Check
Valve
Nut
Screwdriver
In closed position
disc is visible.