Removal And Installation Of The Device Fan - Siemens SIMATIC Rack PC 840 Manual

SIMATIC Rack PC 840 Expansions
4.9

Removal and Installation of the Device Fan

The Rack PC is ventilated by fans which blow fresh air into the housing
(pressurization).
1. Switch off the device.
2. Open the front door at a right angle (90_). This enables you to access the front
panel and pull it off towards the front.
3. Undo the two plastic rivets.
4. Lift the fan holder out of the housing.
5. Undo the plastic rivets which fasten the fan.
6. Pull the fan connector.
7. Proceed in reverse order for assembly.
Figure 4-15 Removal and Installation of the 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 away from the fan holder.
Only qualified personnel is authorized to change the fan.
4-20
Plastic rivets
SIMATIC Rack PC 840 Manual
A5E00104826-03