Remove rear chassis assembly
Use this procedure to remove and replace the rear chassis, to access rear chassis assemblies (power supply
, main fan, Carrier interface
assembly, AFG Riser board).
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.
• Remove rear grill and case on page 19
About this task
Remove the rear chassis assembly from the front chassis assembly using the following steps.
Procedure
1. Use a screwdriver with a with T-10 Torx tip to remove the 19 screws securing the rear chassis to the front chassis. There are five
screws each along the top and bottom, and four screws on each side.
2. Insert a large flat blade screwdriver no more than 1/4 inch into a rectangular slot on the corner of the rear chassis (see following
image). Rotate the screwdriver to lift the corner of the rear chassis from the front chassis. Repeat on each corner. There may be a little
resistance from the front right corner of the bottom edge, where the rear chassis interconnects to the front chassis.
3. Lift the rear chassis of
f of the front chassis.
4. To reinstall, reverse the steps:
a) Align the rear chassis assembly with the front chassis, slide in, and push gently to seat the connectors.
b) Use a screwdriver with T-10 Torx tip to install the 18 chassis screws securing the rear chassis to the front chassis. Tighten to 0.65
N·m.
Maintenance
20
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