Maintenance
Procedures
Chapter 4
35
MOTOR CONTROL BOARD REPLACEMENT
Required Tools:
Phillips Screwdriver
Long-Nose Pliers
Side Cutters
3/8" Wrench
Procedure:
1. Raise the bed fully up and apply the brakes.
2. Unplug the bed power cord from the wall outlet.
3. Remove the foot board.
4. Using a Phillips screwdriver, remove the six screws (A) holding the cover to the foot end
casing. Grab both ends of the cover and lift up to remove it.
5. Properly ground yourself (see section 1.4).
6. Using side cutters, clip the two cable ties (B) holding together the cables.
N
N
O
O
T
T
E
E
Carefully note the position and the gathering of the cables before clipping the cable ties.
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 OL250024 for the connecting position
of the cables on the motor control board
N
N
O
O
T
T
E
E
Connector J2 of the control board receives the following cable connectors:
-
Auto Contour (on pins 4-7) and Cardiac Chair (on pins 10-11);
- CPR (on pins 8-9).
A
A
C
D
B
Figure 4.3C
