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6. Attach the new pneumatic unit (reverse of removal).
Note: The service exchange or the new pneumatic unit will be Model M-1 in design.
Please refer to the Model M & M-1 service manual available from the SLE service
department.
7. Refit the front facia panel.
8. Carry out the replacement procedure for the following items, CPU battery and backup
batteries.
9. Replace inner and outer covers.
10. Carry out a full system calibration, followed by a complete functional tests.
11. After calibration and functional testing, carry out a full electrical safety test.