Siemens 620 User Manual

Page of 216
SIMATIC Box PC 620 Expansions
4-25
SIMATIC Box PC 620  Manual
A5E00131465-01
4.9
Removal and Installation of the Device Fan
The Box PC is cooled by means of a fan which sucks hot air out of the housing.
1. Open the housing as described in Section 4.1.
2. Pull off the fan cable connector on the basic board.
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.
Device fan
Plastic rivets
Figure 4-20 Removal and Installation of the Device Fan
Notice
Only a fan of the same type may be fitted!
!
Caution
To ensure that the device is adequately cooled, take care that the running direction
of the fan is correct when installing.
Ensure that the arrow on the fan points to the housing wall.