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Maintenance M2 Data Acquisition Device
4. Remove the battery pack from the M2 unit housing to access the electrical connector.
5. Separate the battery pack electrical connector.
6. Connect the new battery pack electrical connector to the M2 unit.
7. Fit the battery into the battery compartment.
8. Fit the battery compartment cover.
9. Tighten the captive screw and fold down the hanger.