www.stryker.com 280C-009-002 REV B 1-41
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FOWLER MOTOR REPLACEMENT (CONTINUED)
9. Using a #3 Phillips screwdriver, remove the six screws (A, Figure 11, page 1-47) holding the plastic cover to the foot
end casing. Grasp both ends of the cover, move them apart to disengage the inside clips from the round accessory
brackets and remove the cover.
10. Using a #2 Phillips screwdriver, remove the four screws (B, Figure 11, page 1-47) holding the protective plate to
the foot end casing.
11. Properly ground yourself (see the “Static Protection Procedure”, page 1-13).
12. Using cutting pliers, cut the cable tie holding the head actuator cable to the other cables.
13. Remove the actuator cable (connector J8) from the control board.
14. Using pliers, squeeze the upper part of the strain relief bushing (B) and lift it up to remove it from its location.
15. Remove the cable from the bushing and pass the cable connector through the rear casing hole.
16. Using a 5/16” socket, remove the two screws (C) holding the retaining plate to the actuator support.
17. Remove the two pivot pins (D) holding the actuator to the support. To ease the removal of the pins, insert a small
regular screwdriver into the opening at the end of the actuator and push out the pins.
18. Move the actuator toward the center of the bed to remove it from its location.
19. Reverse the above steps to install the new actuator.
CAUTION
The limits of the new fowler motor must be adjusted before reconnecting the tube to the head section lever arms. An
improper adjustment can damage the head section structure.
20. To adjust the limits of the replacement head actuator, proceed as follows:
A. Ensure the motor cable is connected to the control board and plug the power cord into the wall receptacle.
B. Position the new motor tube holes horizontally. Grasp the tube firmly to prevent it from rotating and press
the “Fowler up” control for a few seconds. Then press the down control until the motor stops. This will be
the lower limit of the motor.
C. Gently turn the tube in either direction to align the tube holes with those of the head section lever arms. Then
raise the Fowler a few inches while firmly holding the tube and lower it completely.
D. Check the alignment of the holes. If the tube holes are not aligned with those of the lever arms, repeat steps
B and C until they are. Once the holes are aligned, install the washers and the clevis pin. Slightly raise the
head section manually to ease the insertion of the clevis pin.
E. Before installing the rue ring cotter, raise and lower the Fowler completely to ensure the Fowler section
reaches the frame.
21. Test the Fowler section for proper operation before returning the bed to service.
Service Information
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