Stryker FL28C - Scale System Component Service

Maintenance Manual
38
SCALE CONTROL BOARD/BED EXIT BUZZER (OPTIONAL) REPLACEMENT
Required Tools:
No. 2 Phillips Screwdriver 3/8"Socket Wrench Long-Nose Pliers
Procedure:
1. Raise the bed fully up and apply the brakes.
2. If applicable, remove the head section plastic cover (optional) and raise the head section fully
up.
3. Unplug the bed power cord from the wall outlet.
4. Using a no. 2 Phillips screwdriver, remove the two screws (A) holding the cover plate.
5. Properly ground yourself (see section 1.4).
To replace the Bed Exit Buzzer, proceed with steps 6 to 9.
To replace the scale control board, proceed with steps 10 to 14
6. Disconnect from the control board the buzzer cable.
7. Lift the buzzer (B) to remove it from the plate. Clean any glue residue left.
8. Reverse the above steps to install the new buzzer.
9. Test the Bed exit system to make sure the buzzer operates properly.
10. Remove all cables connected to the control board. Note their location so they will be
connected correctly to the new power connector. Refer to drawing L28-008 for the connecting
position of the cables on the scale control board.
11. Using a 3/8" socket wrench, remove the nut holding the ground cable to the scale board (B).
12. Using long-nose pliers, pinch the upper part of the stand-off pins and lift the defective board
up and out.
13. Reverse the above steps to install the new scale control board.
N
N
O
O
T
T
E
E
Be sure to reconnect the load cell cables on the scale control board in the appropriate order.
Refer to illustration 4.3E on the preceding page where are indicated the connecting position of
each load cell cable
14. Calibrate the scale before returning the bed to service. Refer to the scale calibration
procedure on page 41.
B
A
CD
CÂBLE CELLULE
TÊTE DROIT
/
HEAD RIGHT
CELL CABLE
CÂBLE CELLULE
PIED DROIT
/
FOOT RIGHT
CELL CABLE
CÂBLE CELLULE
PIED GAUCHE
/
FOOT LEFT
CELL CABLE
CÂBLE CELLULE
TÊTE GAUCHE
/
HEAD LEFT
CELL CABLE
Figure 4.3E
A
B
C