Removing And Installing The Bus Board; Removing And Installing The Fan - Siemens SIMATIC Box PC 820 Manual

System Unit
1.3.7

Removing and Installing the Bus Board

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First remove all expansion modules as described in Section 1.3.5.
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Open the housing as described in Section 1.3.1 (Box PC 820) or Section 1.3.4
(PC FI45 V2).
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Remove the power supply connection from the bus board.
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Release the two screws on the bus board.
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Lift the bus board out of the connector to the motherboard.
To install the bus board, proceed in reverse order.
1.3.8

Removing and Installing the Fan

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First remove all expansion modules as described in Section 1.3.5.
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Remove the power supply connection for the fan from the motherboard.
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The fan is fastened to the system unit with four plastic rivets. Remove the
plastic rivets by pressing the pin out from behind.
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Take out the fan and the metal plate to which the guide rails are attached.
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Detach the plate with the guide rails by releasing the four plastic rivets.
To install the fan, proceed in reverse order.
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Box PC 820 / PC FI45 V2, Manual
A5E00051531-03