Siemens PC 670 用户手册

4-25

Panel PC 670 Computing Unit, Equipment Manual

The computing unit is cooled by means of a fan, which extracts hot air out of the
housing.

1. Open the housing as described in section 4.1.

2. Disconnect the fan cable connector from the motherboard.

3. The fan is secured to the housing by two plastic rivets. Undo the rivets by

pressing out the gudgeon from the rear of the rivet shank.

4. Remove the fan.

5. Proceed in the reverse order for assembly.

Unit fan

Plastic rivets

Figure 4-20

Removing and installing the fan

Fit only a fan of the same type!

To ensure that the device is adequately cooled, ensure that the running direction of
the fan is correct when installing.

Ensure that the arrow on the fan is pointing towards the housing wall.