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Remove Rear Door Heat eXchanger V2

About this task


18 - 32 kg (39 - 70 lb)32 - 55 kg (70 - 121 lb)
Use safe practices when lifting.
tip hazard
Do not place any object weighing more than 82 kg (180 lb) on top of rack-mounted devices.
shock hazard
The power-control button on the device does not turn off the electrical current supplied to the device. The device also might have more than one connection to dc power. To remove all electrical current from the device, ensure that all connections to dc power are disconnected at the dc power input terminals.
Disconnect all power sources
  • Connect power cords from devices in the rack cabinet to electrical outlets that are near the rack cabinet and are easily accessible.
  • Each rack cabinet might have more than one power cord. Be sure to disconnect all power cords in the rack cabinet before you service any device in the rack cabinet.
  • Install an emergency-power-off switch if more than one power device (power distribution unit or uninterruptible power supply) is installed in the same rack cabinet.
  • Connect all devices that are installed in a rack cabinet to power devices that are installed in the same rack cabinet. Do not connect a power cord from a device that is installed in one rack cabinet to a power device that is installed in a different rack cabinet.
See the instructions in the rack documentation before you install devices, remove devices, or relocate the rack.
Use eye protection
Eye protection should be worn for this procedure.


  1. Drain the water from the heat exchanger completely (see Drain the heat exchanger of water).
  2. Hold the heat exchanger in place with two people, and remove the three screws that secure the top hinge bracket to the heat exchanger.
    Figure 1. Removing the top hinge bracket

  3. Hold the heat exchanger with three people on the handles/spots as illustrated.
    Figure 2. Lifting the heat exchanger with three people

    1 Handles that the first person hold on to3 Spots that the third person hold on to
    2 Handles that the second person hold on to 
  4. Lift the heat exchanger with three people as described in the previous step, and remove it from the rack cabinet.
    Figure 3. removing the heat exchanger from the rack cabinet