1-50
28EX-009-002 REV B
En
gli
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HEADWALL CONTROL BOARD REPLACEMENT (OPTIONAL)
Service Information
Figure 12
Tools Required:
•
#2 Phillips Screwdriver
Procedure:
1 . Raise the bed to the highest position and apply the
brakes .
2 . Unplug the bed power cord from the wall outlet .
3 . Remove the power cord from the power connector and
disengage it from the wire clip .
4 . Properly ground yourself (see “Grounding Diagram”,
) .
5 . Using a #2 Phillips screwdriver, remove the six screws
(A) holding the cover to the litter . Keep the cable clips .
6 . Once the screws removed, pivot the cover and lay it
flat on the bottom of the litter (see opposite illustration) .
7 . Remove all cables connected to the control board .
Note their location so they will be connected properly
to the new board . Refer to drawing OL280118,
for the connecting position of
the cables on the power connector .
8 . Turn the cover to a vertical position .
9 . Using a #2 Phillips screwdriver, remove the four screws holding the control board (C) to the head casing cover
and remove the board .
10 . Reverse the above steps to install the new control board . Before installing the new board, ensure the dip switch
settings on the new board match the ones on the old board .
11 . Test the nurse call for proper operation before returning the bed to service .
C
B
A
Summary of Contents for FL28EX
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