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Model
What This Guide Helps With
Table wobbling, shifting, or feeling unstable due to loose hardware, uneven surfaces, or external structural issues affecting safe patient positioning.
Step-by-Step Troubleshooting
Ensure Patient Safety First
- Remove the table from active patient use before troubleshooting.
- Expected: Patient safely relocated to another table.
- Why it matters: An unstable table presents a fall and injury risk.
Verify the Reported Issue
- Apply light pressure to different areas (head, seat, foot) and observe for wobble or shifting.
- Expected: Instability reproduced and localized if possible.
- Why it matters: Helps determine if the issue is global or isolated to a section.
Check Floor Surface and Leveling
- Ensure the table is on a flat, stable surface. Inspect for uneven flooring or debris under feet/base.
- Expected: Table sits evenly with all contact points stable.
- Why it matters: Uneven floors are a common and easily overlooked cause of instability.
- If uneven → reposition table and retest
Inspect Leveling Feet or Base Supports
- Check adjustable feet (if equipped) for proper contact and tightness. Ensure none are missing or worn.
- Expected: All feet firmly contacting the floor and secure.
- Why it matters: Improper leveling creates rocking or shifting during use.
- If loose or misadjusted → adjust and retest
Check for Loose External Hardware
- Inspect accessible bolts, screws, and fasteners at:
- Base/frame connections
- Backrest pivot points
- Side rails or accessories
- Use appropriate tools to gently check for looseness (do not overtighten).
- Expected: All visible hardware secure with no movement.
- Why it matters: Vibration over time can loosen hardware and compromise stability.
- If loose → tighten and retest
Inspect Backrest and Moving Sections
- Check if instability occurs specifically when adjusting the backrest or sections.
- Expected: Sections remain firm when locked in position.
- Why it matters: Loose pivots or locking mechanisms can mimic overall table instability.
- If isolated to a section → document and continue evaluation
Check for Frame Damage or Wear
- Visually inspect the frame for:
- Bent metal
- Cracks
- Worn joints
- Separation at weld points
- Expected: Frame is intact with no visible structural damage.
- Why it matters: Structural damage cannot be corrected through adjustment and affects safety.
- If damage found → remove from service immediately
Test Under Simulated Load
- Apply controlled weight (without a patient) to simulate normal use and observe stability.
- Expected: Table remains stable under load with no shifting or flexing.
- Why it matters: Confirms whether instability occurs only under load conditions.
If the Problem Persists
If all external causes (flooring, leveling, hardware, and visible frame issues) have been ruled out, the instability is likely due to internal structural wear or failure.
Remove the table from service, label it Out of Service, and send for repair or bench evaluation.
Knowing when to stop prevents unsafe use and is a key part of proper troubleshooting.
Clinical Use Tip
Never troubleshoot or test stability with a patient on the table. Always verify stability fully before returning the device to clinical use.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Exam table reported as wobbling and unstable during patient use."
Cause
What was observed during troubleshooting.
Example:
"Loose frame mounting bolts and uneven floor contact identified."
Resolution
What action was taken.
Example:
"Tightened hardware, adjusted leveling feet, and confirmed stable operation under load."
Helpful Details to Include (If Known)
- Floor surface condition verified
- Leveling feet adjusted
- Hardware tightened (locations noted)
- Instability location (base vs. backrest)
- Presence/absence of frame damage
- Stability under load confirmed
- Final device status (returned to service or removed)
Final Thought
Table stability is directly tied to patient safety. Always rule out simple external causes first, but do not ignore signs of structural failure. Proper escalation and clear documentation ensure safe equipment use and long-term reliability.
That is successful troubleshooting.