FILTER-CAB AIR 4855435 - Caterpillar

Procedure
Replace the module.
Turn the key start switch to the OFF position.
Disconnect the machine harness from the module.
Ensure that the replacement module has the correct part number.
Install the new module.
Connect the machine harness to the module. On certain machines, make sure that the harness code plug is installed.
Turn the disconnect switch and the key start switch to the ON position. Make sure that the module successfully completes the self test.Expected Result The module has been successfully replaced and the module has completed the self test.Results
YES The module has been successfully replaced and the module has completed the self test. Proceed to Step 2.
NO. The module has been successfully replaced and the module has not performed the self test properly. Ensure that the module is correct. Ensure that the installation is correct and ensure that no related diagnostic codes are present.
Setup
Set up the optional display modules. See Systems Operation, "Settings Menu".
Set the desired units. The units may be English or Metric. See System Operation, "Settings Menu".