Procedure
1. To remove a knob assembly, pull the knob straight out of the front panel. Finger strength is adequate to pull knobs. Do not use pliers.
2. To reinstall a knob, align the knob with the shaft indent and press the knob onto the shaft. Turn the knob to make sure there is a
smooth rotation.
Remove SATA riser board assembly
Use this procedure to remove and replace the external hard drive SATA riser board assembly.
Before you begin
• 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.
About this task
. Remove the external hard drive SATA riser bracket and board from the chassis using the following steps:
Procedure
1. Set instrument on its back, with the bottom facing you.
2. Open and remove the hard drive door from the bottom of the instrument.
3. Remove the three T-10 Torx screws securing the SATA riser board bracket assembly to the chassis.
4. Remove the SATA riser board bracket assembly from bottom of chassis.
5. To remove the SATA riser board, remove the two T-10 Torx screws securing the SATA riser board to the riser bracket.
6. To reinstall, reverse the steps. Tighten the T-10 Torx screws to 0.65 N·m.
Remove feet
Use this procedure to remove and replace bottom feet assemblies or gain access to the rear chassis assembly.
Before you begin
• 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.
About this task
Remove the two flip feet assemblies from the rear chassis using the following steps.
Procedure
1. Remove all cables and the power cord from the rear panel.
2. Set the instrument on its back side so the bottom is facing you.
3. Flip open both feet assemblies.
4. Use a screwdriver with T-10 Torx tip to remove the four screws from each foot assembly.
5. Remove the feet assembles.
6. To reinstall, reverse the steps. Use a screwdriver with T-10 Torx tip to secure the eight screws. First insert and tighten the screws that
are near the front edge of the instrument, then insert and tighten the screws that are near the rear edge of the instrument. Tighten to
0.65 N·m.
Maintenance
5 Series MSO Service Manual MSO54, MSO56, MSO58
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