Technical data

SIMATIC Box PC 620 Expansions
5-26
SIMATIC Box PC 620 Manual
C79000-G7076-C639-02
5.8 Removal and Installation of the Fan
The SIMATIC Box PC 620 is cooled by means of a fan which sucks hot air out of
the housing.
1. Open the housing as described in Section 5.1.
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.
Fan Plastic rivets
Figure 5-21 Removal and Installation of the Fan
Note
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.