Graco PCF Instructions - Parts Manual page 73

17. Insert a small piece of jumper wire or a paper clip
across the SHUNT CAL and ENABLE terminals.
18. Using the data from the certificate of calibration for
the pressure sensor (included with PCF documenta-
tion or the replacement pressure sensor), calculate
the Shunt Calibration Pressure using the following
formula:
Shunt Calibration Pressure = (Shunt Cal Factor /
Calibration Factor) * 5000 psi
F . 49: Amplifier Settings
IG
22. Replace the amplifier cover. See Replace Ampli-
fier, page 71.
23. Reconnect the outlet pressure sensor cable if it was
removed.
24. If desired, change pressure units to desired setting
on the Advanced Setup screen 2.
313377L
19. Adjust the FINE GAIN potentiometer until the Outlet
Pressure on the Pressure Sensors screen (screen
5) matches the calculated Shunt Calibration Pres-
sure.
20. Remove the jumper wire or paper clip from the
SHUNT CAL and ENABLE terminals.
21. Repeat steps 15 - 19 at least one additional time to
ensure proper calibration.
Repair
73