5-2
Chapter 5
Computer Access
Button-up Procedures
4. From the back of the cabinet, remove the two retainer bracket screws from the upper
corner (left or right depending on which computer is being accessed) of the computer.
NOTE
The retainer bracket screws can be stored in the retainer bracket center holes
until they are ready to be re-inserted.
5. Grasp the tray assembly, just under the front of the computer, and pull the computer
out on its rails to the fully extended position.
You can now remove the D Class computer front bezel and access the inside of the
computer. Refer to your D Class Service Manual for instructions on accessing the
components of the computer.
Button-up Procedures
When you are finished with the computer, perform the following steps to put the computer
back into the cabinet.
NOTE
Before putting the computer back into the cabinet, be sure that all the service
procedures have been completed and the computer has been properly closed
up and the front bezel replaced.
1. Close the side door on the D Class computer and tighten the three screws to secure the
side panel.
2. Replace the computer front bezel.
3. On each side of the rail assembly, press the green button to unlock the rails, and push
the computer back into the rack.
4. Make sure the computer is fully pushed back into the cabinet, then slid the lockout
bracket back to its center position.
5. Insert the two retainer bracket mounting screws through the bracket into the computer
chassis, and tighten.
6. Re-connect any cables that were removed to extend the computer. Attach any
appropriate new cables to accommodate the modification or service performed.
7. Position the cosmetic frame over the mounting stand-offs and insert the four mounting
screws and nylon washers.
The computer may now be powered on. Observe the computer for proper selftest and boot
up procedures. You can now perform any configuration or application initiation procedures
that may be required. Be sure to inform the customer that the computer is back on line.
Summary of Contents for A3764A
Page 4: ...iv Contents ...
Page 6: ...vi Figures ...
Page 7: ...Tables vii Table 4 1 A3764A and A3765A Cabinet Replaceable Parts 4 4 ...
Page 8: ...viii Tables ...
Page 10: ...Preface ii ...
Page 14: ...Preface vi ...
Page 18: ...1 4 Chapter1 Introduction Installation Site Requirements ...
Page 28: ...2 10 Chapter2 Unpacking and Installation Repackaging the Cabinet for Shipment ...
Page 32: ...3 4 Chapter3 Cabinet Operation Turning Off the Computer System With UPS ...
Page 34: ...4 2 Chapter4 Removal and Replacement Procedures Figure 4 1 Cabinet Exploded View Front ...
Page 35: ...Chapter 4 4 3 Removal and Replacement Procedures Figure 4 2 Cabinet Exploded View Back ...
Page 56: ...4 24 Chapter4 Removal and Replacement Procedures Removal and Replacement Procedures ...
Page 59: ...Chapter 5 5 3 Computer Access Button up Procedures ...
Page 60: ...5 4 Chapter5 Computer Access Button up Procedures ...