Graco 3A2098H Replace Amplifier, Calibrate Amplifier, Adjust Display Settings

Replace Amplifier

(Heated fluid plates only)

1.Prepare Fluid Plate Assembly for Repair, page 80.

2.Disconnect pressure sensor cable (117) and power output cable.

Screw

116

117

Power Output Cable

FIG. 58: Replace Amplifier

3.Loosen four screws on amplifier (116) cover, and then remove cover.

4.Remove four screws (105) securing amplifier to bracket.

5.Remove amplifier and replace with a new amplifier.

6.Secure new amplifier to bracket with four screws.

7.Replace amplifier cover and tighten screws.

8.Reconnect pressure sensor cable (117) and power output cable.

Calibrate Amplifier

(Heated fluid plates only)

1.Prepare Fluid Plate Assembly for Repair, page 80.

2.Remove outlet pressure sensor from outlet fitting to ensure there is no pressure applied to the sensor.

Repair

Adjust Display Settings

3.With the system in setup mode, navigate to the Advanced screens.

4.Press to scroll to Advanced screen 2.

5.Pressto access the fields to make changes.

6.Press to move the Pressure Units field. Press

to open the drop-down list, and select psi.

Press to enter the new units.

7.Press to exit edit mode.

8.With the system still in setup mode, navigate to Fluid Plate x, screen 5 (Pressure Sensors).

9.Pressto access the fields to make changes.

10.Press to move the Outlet Offset field. Set the

psi to 0. Press to enter the new setting.

11.Press to exit edit mode.

3A2098H 85