Hitachi CB 520H B1 Service Manual page 196

Notice:
6 Install the air ducts.
.
5-44
Figure 5-52 Installing the DIMM
Do not install the DIMM turned the wrong way. Doing so might cause
serious damage to the DIMM.
Figure 5-53 Installing the air ducts- CB 520A A1
Figure 5-54 Installing the air ducts- CB 520H A1/B1/B2/B3/B4
Replacing parts
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