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Introduction These instructions detail how to replace the 7" LCD display (part #245-5004) and the Interface Board (part #229073901 Rev. 4) for an EVO™ 550, EVO™ 5000, EVO™ 600 or EVO™ 6000 Automatic Tank Gauge (ATG). Firmware 2.25.1 or greater must be installed in the EVO™...
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3. Turn over LCD display and connect cable (Figure 3). Note: cable pins need to face the LCD. Figure 3 4. Make two folds in the cable and carefully remove tape (Figure 4). Figure 4 5. LCD Display is now ready for installation (Figure 5). Figure 5...
Replacement Instructions IMPORTANT: Always use good safety and electrostatic discharge (ESD) practices when turning on or off power to an ATG. 1. Turn off power to the ATG and perform lock out/tag out. 2. Open the ATG door. 3. Use a Phillips Screwdriver to remove the four corner screws located inside the front cover (Figure 6).
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4. Determine if ATG has NEW Interface Board REV4 or higher (Figure 7) or REV3 (Figure 8). Replace interface board if it is REV3 or if existing interface board is damaged. Figure 7: NEW Interface Board Rev 4. Contains Connector J11 (circled) Figure 8: OLDER Interface Board Rev 3.
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11. Remove the LCD (Figure 10). Figure 10: Lift LCD and Remove 12. Grasp the LCD and gently pull up while CAREFULLY prying the tabs from the LCD frame (Figure 10). After a few of the tabs are unlatched, the LCD can slide out sideways and removed. Installing the New LCD Display 13.
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15. Install the replacement LCD. Feed the ribbon cable that is attached to the LCD underneath the circuit board toward the J5 connector (Figure 16). Figure 16: Reconnect J5 Ribbon Cable 16. Verify that the LCD is snapped into place and held by the LCD frame clips. Also, be sure the grounding spring in the lower left hand corner is pressing against the frame of the display and not stuck underneath it.
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