Dräger Narkomed 2C Technical & Service Manual page 74

REPLACEMENT PROCEDURES (continued)
4.13 Convenience Outlet AC Power Filter
The convenience outlet AC power filter is located at the back of the ventilator
box near the AC convenience outlets. Access to the power filter requires
removal of the ventilator box top panel. Figure 4-13 shows the location of the
filter, its connections and its mounting arrangement.
4.13.1 Set the System Power switch to STANDBY and remove AC power
from the machine.
4.13.2 Disable all circuit breakers by pulling each button out with a knife or
sharp object.
4.13.3 If the machine is equipped with a second shelf, remove any items
from the shelf and remove the shelf from the machine.
4.13.4 Remove the four screws securing the ventilator box top panel.
Disconnect the ground wire and remove the panel.
4.13.5 Remove the two screws holding the safety cover over the AC power
filter, and remove the cover.
4.13.6 Disconnect the AC wiring from each side of the filter. Note the
position of the wires so they can be attached to the replacement filter
in the same manner.
4.13.7 Unscrew the two hex post nuts holding the filter to the ventilator box,
and remove the filter.
4.13.8 Install the replacement filter and secure it with the two hex post
nuts.
4.13.9 Connect the AC wiring to the replacement filter. Be sure to observe
the wire color code as illustrated.
4.13.10 Place the safety cover over the filter and secure it with the two
screws that were previously removed.
4.13.11 Reconnect the ventilator box top panel ground wire, and reinstall the
panel with the four screws that were previously removed.
4.13.12 If applicable, reinstall the top shelf on the machine.
4.13.13 Enable all circuit breakers by pressing their buttons in.
4.13.14 Restore power to the machine and perform the PMS Procedure given
in Section 6.
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NM2C