Invacare FDX Service Manual page 41

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Use the 8 mm socket wrench to loosen and remove the nuts (1).
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Remove the actuator module together with the mounting plate (2).
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If the actuator module is to be replaced:
Use the 7 mm socket wrench and a Phillips screwdriver to loosen and remove the nuts (3).
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If the electronic module is to be replaced:
Remove the electronic module.
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Replace the defective modules.
Installing electronic modules:
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Install the various modules in reverse order.
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Reconnect all cable connectors to their former positions.
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If you have replaced ACS II electronic module, please select the correct drive program, as
described in chapter 8.2.4.
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Update the drive program, in case a new software version is available, as described in chapter
8.3.
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Modify the drive program using the programming software as needed.
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The last step is to test all functions of the vehicle.
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