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28EX-009-002 REV B
En
gli
sh
CARDIAC CHAIR AND AUTO CONTOUR MICRO SWITCH REPLACEMENT (CONTINUED)
1st Auto Contour Micro Switch
This switch tells the control board that the Gatch has reached the preset angle for the Cardiac Chair and Auto Contour
position .
Procedure:
1 . Raise the bed to the highest position and apply the brakes .
2 . Raise the thigh section . Remove the plastic litter cover (if equipped) of the fowler section . Lift and fold the foot
section back toward the head end of the bed . Secure it using a bungee cord .
3 . Unplug the bed from the wall outlet .
4 . Remove the cables from the switch . Note the cable locations in order to properly reconnect them to the new
switch.
5 . Using the Gatch down control, slowly lower the thigh section until only light contact remains between the activator
(A) attached to the knee section and the push-button switch (B) . The replacement procedure will start from this
position (see opposite illustration) .
6 . Unplug the bed power cord from the wall outlet .
7 . Using a #1 Phillips screwdriver, remove the two screws (C) holding the support to the frame .
8 . Press the two clips on each side of the switch to remove it from the support .
9 . Reverse the above steps to install the new micro switch .
10 . Test the Auto Contour positioning for proper operation before returning the bed to service .
2nd Auto Contour Micro Switch
This switch tells the control board to start lowering the Gatch when the Fowler is lowered while the bed is in the Auto
Contour position .
Procedure:
1 . Raise the bed to the highest position and apply the brakes .
2 . Raise the thigh section . Remove the plastic litter cover (if equipped) of the fowler section . Lift and fold the foot
section back toward the head end of the bed . Secure it using a bungee cord .
3 . Unplug the bed from the wall outlet .
4 . Using a #1 Phillips screwdriver, remove the two screws (D) holding the support to the litter and remove the support .
5 . Remove the cables from the switch . Note the cable locations in order to properly reconnect them to the new
switch.
6 . Using a #1 Phillips screwdriver, remove the two screws (E) holding the switch to the support .
7 . Reverse the above steps to install the new micro switch .
8 . Test the Auto Contour positioning for proper operation before returning the bed to service .
Service Information
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