Maintenance Procedures Chapter 4
47
• Micro Switch Attached to the Head Section Structure.
This switch signals to the motor control board on the one hand that the resetting of the Fowler
actuator may begin because the Fowler is completely lowered, and on the other hand that the
lowering to flat of the Knee Gatch may also begin.
9. Remove the cable wires (C) from the micro switch. Note the location of the wires so they will be
connected correctly to the new micro switch.
10. Press the switch clips to remove it from the support.
11. Reverse the above steps to install the new micro switch.
12. Test the CPR positioning before returning the bed to service.
CPR ACTIVATION CABLE REPLACEMENT (OPTIONAL)
Required Tools:
7/16" Wrench
Procedure:
N
N
O
O
T
T
E
E
Unless otherwise indicated, refer to figure 4.3H on page 46 for the illustration of this procedure
reference points.
1. Raise the bed fully up and apply the brakes.
2. Remove the head section plastic cover (optional) or raise the head section completely.
3. Remove the head board.
4. Unplug the bed power cord from the wall outlet.
5. Using a 7/16" wrench, remove the nut/sleeve/bolt (D) holding both ends of the activation cable to
the fixed lever.
6. Using 7/16" wrench, remove the nut/washer (E) holding the cable jacket to the mobile lever.
Remove the cable from the lever and keep the spring (F). Try as much as possible not to move
the other cable from its position.
7. Unscrew completely the two lock nuts (G) holding the jacket of the other end of the cable to the
CPR handle. Remove the wire from the handle. Once the new cable is installed, the free play of
the CPR handle must not be more than 1/8".
8. Reverse the above steps to install the new cable.
9. Test the CPR positioning before returning the bed to service.
CPR PNEUMATIC CYLINDER (OPTIONAL)
Required Tools:
Long Nose Pliers Two 1/2" Wrenches Strap
11/16" Wrench
Procedure:
N
N
O
O
T
T
E
E
Unless otherwise indicated, refer to figure 4.3H on page 46 for the illustration of this procedure
reference points.
1. Raise the bed fully up and apply the brakes.
2. Remove the head section plastic cover (optional).
3. Unplug the bed power cord from the wall outlet.
4. Using needle nose pliers, remove the Rue ring/washer/nylon washers (2)/clevis pin (A, fig.
4.3B, page 30) hooking up the head actuator tube to the seat section lever arms.
N
N
O
O
T
T
E
E
Apply grease on the clevis pin and the nylon washers before hooking up the actuator tube to the
head section.
5. Manually lift the head section completely and secure its position using a strap.
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