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5.4.2 Replacing a BBU
To replace a BBU, please follow these steps:
Step 1. Remove the faulty BBU from the chassis. Loosen the two (2)
Step 2. Install the new BBU. Align the BBU with the slot, and then gently
Subsystem Maintenance
Do not immerse the BBU in water nor allow it to get wet. Its
protective features can be damaged. Abnormal chemical reactions
may occur, possibly causing functional defects, acid leak, and other
hazardous results.
Do not disassemble or modify the BBU. If disassembled, the BBU
could leak acid, overheat, emit smoke, burst and/or ignite.
Do not pierce the BBU with a sharp object, strike it with a hammer,
step on it, or throw it. These actions could damage or deform it and
internal short-circuiting can occur, possibly causing functional
defects, acid leak, and other hazardous results.
If a BBU leaks, gives off a bad odor, generates heat, becomes
discolored or deformed, or in any way appears abnormal during
use, recharging or storage, immediately remove it from the
subsystem and stop using it. If this is discovered when you first use
the BBU, return it to your system vendor.
retention screws located on both sides of the BBU, then pull out the
BBU. (See Figure 5-9)
Figure 5-9: Removing the BBU
push the BBU into the slot. (See Figure 5-10)
Chapter 5: Subsystem Maintenance
5-9
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