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documentation:fan_replacement [2014/10/31 11:15] – created vordocumentation:fan_replacement [2014/11/05 16:09] – mic
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 ====== Fan replacement ====== ====== Fan replacement ======
  
 +A fan that has damaged blades schould be **replaced immediately**, because the bearing will break very fast due to the imbalance and resulting vibrations.\\
 +When changing a fan on a working system be very carefull not to touch the blades or get any cables into the fans. Also watch out that the system is not overheating during the changing process.\\
 +Watch out that the **plugs are correctly placed on the baseboard**. As a short circuit or misalignment of the pins will damage the baseboard.\\
 +
 +Open the case according to the [[documentation:opening_closing_the_case|Opening/closing the case]] chapter of this wiki.
 +First disconnect the fan from its power source and make sure the cable is not stuck anywhere.
 +
 +<imgcaption fan_connectors_bb_cxp|>{{:documentation:Fan_connectors_bb_cxp.png?nolink&300|Fan connectors on an CXP baseboard}}</imgcaption>
 +<imgcaption fan_connectors_bb_apls|>{{:documentation:Fan_connectors_bb_apls.png?nolink&300|Fan connectors on an ARM baseboard}}</imgcaption>
 +
 +===== Antares =====
 +
 +  - to remove the fan simply drag it out of the mounting plate diagonally.
 +  - unscrew the anti-vibration-rubber from the broken fan with a PH2 screwdriver, and screw them diagonally onto the new fan so that the cable and airflow point in the right direction when installed.
 +  - stick the fan back into the mounting plate
 +  - arrange the cable under the fans and connect it
 +
 +<imgcaption fan_removal|>{{ :documentation:fan_removal.png?nolink&300 |Removing a fan from the Antares}}</imgcaption>
 +<imgcaption antares_fan_location|>{{ :documentation:antares_fan_location.png?direct&300 |Affinity of fans to the connectors on the baseboards}}</imgcaption>
 +
 +===== Arneb =====
 +
 +  - unscrew the two screws that hold the fan to the chassis with a PH2 screwdriver
 +  - replace the fan with a new one considering the airflow direction
 +  - tighten the two screws
 +  - plug the cable onto the baseboard