3. Remove the two couplers.
4. To reinstall, reverse the above steps. Use a screwdriver with T-10 Torx tip to secure the screws. Tighten to 0.65 N·m.
Removal of the rear grill and case
The following procedure describes the removal and replacement of the rear grill and case.
Prerequisite:
• To prevent electrostatic damage to components whenever you work on the instrument, wear properly-grounded electrostatic prevention
wrist and foot straps, and work in a tested antistatic environment on an antistatic mat.
Procedure:
1. Use a screwdriver with T-10 Torx tip to remove the 10 screws securing the grill to the rear case.
Maintenance
4 Series MSO (MSO44, MSO46) Service 20