Chapter 3: Replace The Hra; Remove The Old Hra; Figure 3-1: Hra Pcb Connections - Overland Storage NEO 8000 Remove & Replace Instructions

You are now ready to replace the old HRA. The new HRA comes complete and ready to
install.
CAUTION: Follow ESD protocols when working with the printed circuit boards (PCB).

Remove the Old HRA

Follow these steps to remove the old HRA from the library system.
1. Disconnect the Master and Slave power and signal cables from the HRA PCB.
Label the wires (see
Slave Signal Slave Signal
Connection Connection
(J3) (J3)
Master Power
Connection
(J2)
Slave Power
Connection
(J1)
2. Move the HRA shuttle to the middle of the assembly.
3. Remove and retain the four M4x10mm screws attaching the HRA to the mounting
brackets (see
Part Number 104372-102 08/2005

Chapter 3: Replace the HRA

Figure 3-1) to facilitate attaching them to the new unit.
Master Signal
Connection
(J4)

Figure 3-1: HRA PCB Connections

Figure 3-2).
Shuttle Ground
Screw
Shuttle Power
Connection
(J8)
Shuttle Signal
Connection (J7)
3–1