SUPPORT-AS 1551345 - Caterpillar

In order to prevent personal injury during installation and removal of the GPS receivers, use an approved access system in order to reach the mounting locations of the GPS receivers at the top of the masts. Do not climb on the machine.
Procedure
Using an approved access system, remove the 244-1717 MS980C GPS Receiver from the mast on the blade.
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Example of an approved access system
Remove the 252-9628 Bracket Kit (2) (3) (4) from the bottom of the 244-1717 MS980C GPS Receiver . Refer to Illustration 2.
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Bottom of the GPS receiver (1) 244-1717 GPS Receiver (2) 252-9628 Bracket Kit (3) 8T-9388 Bolts , 113-0683 Lock Washers , and 8R-1803 Washers (4) Thumb Wheel
Apply the 9S-3263 Thread Lock Compound to the 8T-9388 Bolts (3) .
Place the 252-9628 Bracket Kit (2) (3) (4) that was removed from the bottom of the 244-1717 MS980C GPS Receiver onto the 291-1913 MS990C GPS Receiver .
Torque the 8T-9388 Bolts (3) to 41 N m (30 lb ft).
Mount the 291-1913 MS990C GPS Receiver to the mast on the blade.System Configuration
Use the Following procedure in order to configure the AccuGrade System to use the 291-1913 MS990C GPS Receiver .Note: The following procedure uses screen shots from the CD500A Version 6.11 version of AccuGrade. The CD700 AccuGrade procedure is the same, only the soft keys are located on the right hand side of the display. Refer to the System Operation and Testing and Adjusting manual for additional information on configuring the system.
Turn the Key Start Switch to the ON position.
Turn on the AccuGrade Display.
Start the Display in Service mode.
Push the "Installation" soft key on the "Setup Menu – Configuration" dialog in order to list the items under the "Setup Menu – Installation" dialog.
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Use the down arrow key or the up arrow key until "Machine Settings" is highlighted. Push the "OK" key. A "Machine Settings" dialog which is similar to Illustration 4 appears.
Illustration 4 g01299375
Press the "Edit Machine" soft key.
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Verify that the correct machine type is selected from the list.
Press the "Right Arrow" soft key.
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Use the down arrow in order to highlight "MS990".Note: If a combination of one MS990C and one MS980C is used, then "MS990" is still selected.
Press the "Right Arrow" soft key.
Step through the remaining "Machine Setting" screens.
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Press the "Finish" soft key in order to save the settings.
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Verify that "GPS Receiver Type" is set to "MS990C".
Return the machine to service.