PUMP & MTG GP-MAIN HYDRAULIC 3961865 - Caterpillar

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Disconnect the RF antenna (Male TNC connector) from the Product Link Module (PLM). Do NOT re-connect the RF antenna until you are instructed to do so.
Turn the machine keyswitch to the ON position. Connect to the PLM with Cat ET.
Use WinFlash to flash software part number 242-7204 (or later version) into the Product Link Module.
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Select "Data Transport" from the Cat ET menu. Refer to Illustration 2.
Click on "Information".
Click on "Data Transport".
Cat ET will pause a few seconds while extracting information from the ECM. After Cat ET successfully extracts this information from the ECM, a dialog box will appear. This dialog box will contain the text "The data has been successfully loaded from the ECM". When this dialog appears, click on the "OK" button.
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Near the bottom of the Cat ET screen, click on the button labeled "Load from File". Refer to Illustration 3.
Cat ET will now prompt you with a standard Windows "Open File " dialog box. Use this dialog box to navigate to the 242-7203.XML software file (or later version). Click on "Open".Note: For special download instructions for the 242-7203.XML software file, see Steps 3.a through 3.e.
Once the 242-7203.XML software file has been loaded into ET, a dialog box will be displayed with the following text: "Data Successfully loaded from the offboard file". Click "OK".
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To begin programming the MODEM, click on the button near the bottom of the Cat ET screen (labeled "Program ECM"). Refer to Illustration 4.
Cat ET will begin transferring the file to the Product Link module. A dialog box containing a Status Bar will appear in order to show programming progress. When the Status Bar first appears, it may take several seconds to begin to show progress. The duration of the entire programming time will be approximately 5 minutes.
When programming is complete, a dialog box will appear informing you that the file download was successful. Click "OK".Note: If an error occurs during Step 14, modify your ET settings as follows:
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Select Utilities/Preferences from the ET menu. See Illustration 5.
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Select the "Advanced" button in the Preferences window. See Illustration 6.
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Select the next lower baud rate than the baud rate that is currently selected.For example, if the 57600 baud rate is currently selected, select 38400. If the 38400 baud rate is currently selected, select the 19200 baud rate. See Illustration 7.
Click the "OK" button on the "Advanced Communication Settings" window.
Click the "OK" button on the "Preferences" window. See Illustration 6.
Disconnect ET.
Cycle power by turning the keyswitch to the OFF position and then (after a few seconds) turning the keyswitch back to the ON position.
Connect ET and select "Product Link".
Restart this procedure from Step 4.
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Implementation of this new software may cause some of the configuration parameters to be displayed incorrectly. Following the successful modem software update, send a deregistration command using Cat ET. Deregistration will cause all parameters to be reset to their factory defaults. Refer to Illustration 8.
Once the deregistration message is queued successfully, reset the Product Link configuration parameters