A-dec
A-DEC, INC. · Model 8800B
Performer 8000 Monitor Mount / 8800B.
Intended use: A permanently-fixed structure designed to support a light and/or an image display monitor that is used for medical purposes [e.g., in an operating room (OR) and/or an examination/treatment room]. The mount is intended to be permanently-fixed to the ceiling and/or wall. This device will be designed to enable dynamic positioning (e.g., with dynamic arms, sliding bracket); the device to be mounted (medical light/monitor) is not included.
Key tips
- ·A no-signal/flatline alarm gets checked on the patient first, not the monitor - rule out a real clinical event before troubleshooting.
- ·Recalibrate NIBP against a reference manometer, not just a self-test pass.
- ·Reused patient cables (SpO2, ECG leads) are a common source of intermittent-fault complaints - swap the cable before the module.
Typical Failure Modes
Compiled for this model from its own documentation and established engineering knowledge for this equipment class - not from a verified service record. Confirm against the manufacturer's service manual.
A powered function will not move
HighSymptoms: Base, back or a positioning function does not respond to the foot control or touchpad.
Root cause: Foot control / touchpad fault, a hydraulic valve or actuator, or a control-board fault.
Chair drifts down / will not hold height
MediumSymptoms: Base slowly lowers under load after positioning.
Root cause: Internal leak in the hydraulic cantilever, a failing check valve, or the stop-plate shut-off.
Auto-position / auto-return fault
MediumSymptoms: Programmed positions do not recall or the chair stops partway.
Root cause: Program board or a position-feedback fault.
Backrest / headrest will not lock
LowSymptoms: Tilting back or the articulating headrest slips under load.
Root cause: Worn lock or friction hardware.
Noisy hydraulic pump
LowSymptoms: Loud pump on lift, slow rise.
Root cause: Worn pump or low hydraulic fluid.
Serviceable Parts & Consumables
Serviceable items for this model, compiled from its documentation and engineering knowledge for this equipment class. Service class and relative cost are estimates, not manufacturer figures; no part numbers are given. Confirm intervals and pricing against the manufacturer.
Hydraulic pump / motor
Class Major service partRel. cost $$$R&R Difficult
Hydraulic control valve
Class Major service partRel. cost $$R&R Difficult
Foot control / programmable footswitch
Class Periodic replacementRel. cost $$R&R Fairly easy
Back / tilt actuator
Class Major service partRel. cost $$$R&R Difficult
Headrest lock hardware
Class Major service partRel. cost $R&R Fairly easy
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Hydraulic pump / motor | Major service part | $$$ | Difficult |
| Hydraulic control valve | Major service part | $$ | Difficult |
| Foot control / programmable footswitch | Periodic replacement | $$ | Fairly easy |
| Back / tilt actuator | Major service part | $$$ | Difficult |
| Headrest lock hardware | Major service part | $ | Fairly easy |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
PM Checklist
Preventive-maintenance tasks typical of this equipment class. Perform to the manufacturer's procedure and your facility's policy - this is general reference, not a schedule for this specific unit.
- ·Routine cable and lead-wire inspection for fraying/wear
- ·Battery conditioning cycle
- ·NIBP calibration check against a reference manometer
- ·ECG / SpO2 accuracy verification against a patient simulator
- ·Annual electrical safety test
Troubleshooting Approach
A starting sequence for this model, compiled from its documentation and engineering knowledge for this equipment class. Follow the manufacturer's service documentation for the actual procedure.
Symptom: A function will not move
- Use the troubleshooting section of the A-dec service guide for that symptom.
- Test the function from both the foot control and the touchpad to isolate the input.
- Check the hydraulic valve and actuator for that motion.
- Substitute a known-good foot control if that input is suspect.
- Replace the isolated valve, actuator or board and re-run an operational test.
Symptom: Chair drifts down
- Note how fast it settles and under what load.
- Check the hydraulic fluid level.
- Inspect the cantilever, check valve and stop-plate shut-off for internal leakage.
- Rebuild or replace the leaking hydraulic component.
- Confirm the chair holds height under load.
Technical Specs
- MRI safety
- Labeling does not contain MRI Safety Information
- Sterile
- No
- Single use
- No
- FDA distribution status
- Not in Commercial Distribution
- Device type (GMDN)
- Medical monitor/light mount
- FDA product classification
- Chair, Dental, Without Operative Unit
Typical Location
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
- ICU / CCU
- Emergency Department
- OR / PACU
- General med-surg floors
- Step-down units
- Telemetry units
Documents & Manuals
No documents available for this device yet.
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