Fowler Actuator Replacement .....................................................................................30
Knee Gatch Actuator Replacement .............................................................................32
Hi-Lo Actuator Replacement .......................................................................................33
Motor Control Board Replacement..............................................................................35
Nurse Call/Communications Package Control Board (Optional) Replacement ............36
Power Connector Replacement ..................................................................................37
Power Connector Fuse Replacement..........................................................................37
Scale Control Board (Optional)/Bed Exit Buzzer (Optional) Replacement ...................38
Toroidal Transformer Replacement (International Series Beds) ..................................39
Load Cell (Optional) Replacement ..............................................................................40
Scale (Optional) Calibration ........................................................................................41
Verifying the Scale Accuracy ....................................................................................41
Scale Calibration ......................................................................................................42
Cardiac Chair and Auto Contour Micro Switch Replacement ......................................43
Cardiac Chair Micro Switch.......................................................................................43
Micro Switch Common to the Cardiac Chair and Auto Contour Mechanisms ............44
Auto Contour Micro Switch .......................................................................................44
CPR Micro Switch Replacement .................................................................................45
Micro Switch Attached to the Head Section Lever ....................................................45
Micro Switch Attached to the Frame. ........................................................................46
CPR Activation Cable Replacement............................................................................46
CPR Pneumatic Cylinder ............................................................................................46
4.4 Base Maintenance Procedures......................................................................................47
Brake/Steer Pedal Replacement .................................................................................47
Steer Wheel Caster Replacement...............................................................................48
Steer Wheel Assembly Replacement ..........................................................................48
Steer Wheel Swing Arm Assembly Replacement ........................................................49
Bed Caster Replacement ............................................................................................50
Brake Rod Replacement .............................................................................................51
Appendix A: Circuit Diagrams ...................................................................................................52
Appendix B: Maintenance Menu: Signification of Error Codes and Digital Inputs ......................57