Water bottling line troubleshooting guides
English · WaterBottlingLine.com
PET Bottle Conveyor Jams: Locate the First Unstable Transfer
The largest pile-up is often downstream of the first disturbance. Follow bottles through consecutive transfers and locate where upright, evenly spaced flow first becomes unstable. Compare like operating states: empty bottles, filled bottles and restart accumulation load behave differently.
Follow the observed pattern
| What you observe | What to compare next |
|---|---|
| Jams begin at a transfer | Record transfer geometry, bottle orientation and speed states on both sides. Compare guide continuity and support surfaces under the approved isolated inspection procedure. |
| Jams follow an upstream stop | Time the downstream blockage, upstream stop and restart sequence. Compare buffer occupancy and release behavior rather than only increasing conveyor speed. |
| Only one bottle format jams | Retain bottle drawings, actual dimensions and change-part identifiers. Check the approved format setup and bottle stability with the responsible machine supplier. |
Evidence to send with a support request
Send a safe observation video, transfer location sketch, bottle format, empty or full state, line speed, accumulation state and first-event timestamps. Record the initiating event separately from the resulting blockage so downtime is not attributed to the wrong machine.
Illustrative diagnostic comparison
If bottles first tilt at one transfer and a queue builds farther downstream, treat the tilt point as the investigation location. Clearing the visible queue without reproducing the transfer condition does not demonstrate that the cause has been corrected.
Confirm the next action
Record the bottle, cap and material lot; machine and format recipe; time, speed and operating state. Separate direct observations from suspected causes. Preserve an unchanged comparison and identify who approved any trial.
- Record the approved change, comparable before-and-after observations, defect counts with their denominators, and quality or maintenance approval. A symptom disappearing once does not establish a durable correction.
- Repeat the check during the operating state that originally produced the defect. Keep restart losses and rejected product in the record; a faster machine reading alone is not proof of improvement.
Use approved site procedures and the machine manual. Isolate energy before physical inspection or clearing a jam; never bypass guards or interlocks. Quality personnel decide containment and release of affected product. These guides do not prescribe universal pressure, temperature, torque or cleaning settings.
Download the investigation record CSV
Related specification and planning guides
Required evidence — Bottling Line Buffer and Accumulation Sizing
| Input or result / Unit | Evidence to request | Substitution to avoid |
|---|---|---|
| Bottle rate (Bottles/h) | Identify the counted bottle boundary and the exact observation interval. Retain opening and closing counter readings, accepted quantity and operating mode so the hourly rate can be reproduced. | A machine nameplate rate, instantaneous display and accepted output over a shift are different records. Do not substitute one for another without stating the change of basis. |
| Interruption duration (s) | Keep the event start, event finish and reason for the interruption. State whether the required buffer covers a single stop, a recurring disturbance or a recovery sequence. | Record seconds explicitly. Adding several overlapping machine alarms can overstate one line interruption; the longest alarm is not automatically the actual loss of flow. |
Mr Kcal · Allot Tech (Suzhou) Co., Ltd.
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