Installation for 920i Weighcenter Owner manual

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March 24, 2014 161635 Rev A

920i

Weighcenter

Contrast Control Potentiometer Installation

PN 160965

The following instructions are for the installation of the Contrast Control Potentiometer into the 920i Weighcenter.

Figure 1. Contrast Control Potentiometer Installed

1. Remove the screws to remove the front bezel from the weighcenter frame.

Figure 2. Remove Front Bezel

2. Drill a 25/64” hole in the front bezel at 3/4” under the power switch.

A 3/8” bit will work if you ream the hole with the bit.

Figure 3. Drill Hole

Remove all screws

Note

Drill Hole

Power Switch

Summary of content (4 pages)

PAGE 1
920i® Weighcenter Contrast Control Potentiometer Installation PN 160965 The following instructions are for the installation of the Contrast Control Potentiometer into the 920i Weighcenter. Figure 1. Contrast Control Potentiometer Installed 1. Remove the screws to remove the front bezel from the weighcenter frame. Remove all screws Figure 2. Remove Front Bezel 2. Drill a 25/64” hole in the front bezel at 3/4” under the power switch. Note A 3/8” bit will work if you ream the hole with the bit.
PAGE 2
3. Insert the potentiometer into the hole and tighten down with 1/2” wrench. Note Ensure the white wire is oriented towards power switch as shown. White wire towards power switch Power Switch Contrast Control Potentiometer Figure 4. Install Contrast Control Potentiometer 4. To remove back plate, remove the screws securing the it to the indicator. Remove all screws Figure 5. Remove Indicator Back Plate 5. Route the 8-pin connector cable through cord grip. Route Cable Figure 6.
PAGE 3
6. Locate J14, J16, J17 on the CPU board and remove the black jumpers. Remove Jumpers Figure 7. Locate and Remove Jumpers 7. Install the 8-pin connector as shown in Figure 8 making sure red wire is on Pin 1 of J14. Connector - Red wire on pin1 of J14 Figure 8. Eight Pin Connector 8. Using the splice taps, connect the wires from the potentiometer to the wires from the connector, see Figure 9. • Red to red • White to white • Black to black Red to red White to white Black to black Figure 9.
PAGE 4
9. Gather wires and wire tie the cable to the anchors. Wire ties and anchors Figure 10. Secure Wires 10. Tighten cord grip and reassemble the unit. 11. Power unit up and verify the contrast potentiometer functions. Rotate knob to adjust contrast. Figure 11. Contrast Control Potentiometer Installed Rice Lake Weighing Systems is an ISO 9001 registered company. 230 W. Coleman St. • Rice Lake, WI 54868 • USA U.S.