Maintenance and spare parts
Coordinate cleaning access with inspection, lubrication and wear-part replacement.
Operational planning guide
Cleaning and changeover determine how much usable production time a flexible packaging machine can deliver. Review the complete sequence—from stopping product supply to releasing the first acceptable pack—before selecting equipment or approving a layout.
List the actions required to finish the current batch, recover product or materials, empty the machine, isolate energy, remove parts, clean, inspect, dry, reassemble, convert format, select the recipe, prime and verify the first acceptable pack. Separate activities that can run in parallel from those requiring the same operator or safe access zone.
A mechanical adjustment described as a “quick change” may represent only a small part of the downtime. Product drain-down, label or film reconciliation, cleaning verification and first-off quality approval can dominate the process. Use the actual production procedure when comparing machine options.
| Area | Cleaning questions | Changeover evidence |
|---|---|---|
| Hopper, tank or supply vessel | Can it drain? Are corners, agitators, covers, seals and level devices accessible? | Emptying method, retained volume, removal tools and inspection points. |
| Pumps, cylinders, valves and pipework | Can the product path be flushed, stripped or cleaned in place? Are dead legs and trapped product controlled? | Disassembly sequence, seals, hose identification, rinse or swab method and re-priming. |
| Nozzles, chutes and dosing parts | How are small passages, augers, funnels or shut-off tips cleaned and dried? | Change-part identification, tool requirement, inspection and assembly check. |
| Conveyors, guides and star wheels | Can spills, dust and labels be removed without trapping residue in the frame? | Guide settings, removable parts, reference marks and line-clearance check. |
| Cap, label and film paths | How are previous components removed and reconciled? Can mixed material remain in feeders or chutes? | Line-clearance sequence, roll/reel identification and feeder purge. |
| Guards and surrounding structure | Do panels open or remove safely, and can cleaning reach the areas where product accumulates? | Access route, isolation state, cleaning protection for sensors and restart inspection. |
Dry cleaning, manual wipe, disassembly, flushing, washdown or cleaning in place may be appropriate in different applications. The choice depends on the product, cross-contamination risk, materials, seals, electrical protection, drainage, cleaning chemicals and validation needs. Do not assume that stainless appearance means a machine is suitable for unrestricted washdown.
Provide current safety data for chemicals and products where relevant. Assess operator exposure, incompatible materials, hot liquids, pressure and confined access. Where hygiene or allergen control is critical, the site should define the verification method and acceptance limit with its competent quality and safety teams.
Identify every adjustment, change part, tool and recipe. Use clear references such as scales, digital indicators, colour coding or stored settings where appropriate. Store change parts so that they remain clean, protected and linked to the correct format. A successful change should be repeatable by trained operators without relying on undocumented trial and error.
Check the mechanical extremes: smallest opening, widest pack, tallest cap, longest label and least stable container. The changeover plan should state which parts are common and which are dedicated, plus any sequence that prevents damage or unsafe access.
Define who can create, edit and approve recipes. Record parameters that must follow the format and those that remain process-specific. Prevent a recipe from being selected with the wrong change parts or materials where practical. At the end of a batch, reconcile product, closures, labels, film, cartons and printed material according to the site procedure.
After reassembly, confirm guards, tools, parts, product path, sensors, utilities and recipe before introducing product. Use a defined first-off check for fill, cap, label, seal, code and presentation as relevant. Dispose of or segregate setup packs clearly. A line is not fully changed over when it moves; it is changed over when the correct acceptable pack is produced and released.
During FAT or a dedicated trial, observe the complete sequence with the proposed tools and parts. Record time by activity only as a planning measure under the named conditions; do not treat one rehearsed change as a guaranteed production result. Look for product traps, awkward lifting, hidden fixings, access conflicts and settings that cannot be repeated.
Coordinate cleaning access with inspection, lubrication and wear-part replacement.
Include changeover, first-off checks and cleaning observations in acceptance.
Review isolation, guard access and safe maintenance/cleaning responsibilities.
Some product paths can be designed for flushing or cleaning in place, but suitability depends on the machine, product, seals, drainage and validation requirement. Confirm the actual cleaning method for the proposed configuration.
It is the controlled removal and reconciliation of previous product, labels, film, closures, cartons, printed material and documents before the next batch or format is released.
Use documented recipes, scales, indicators, reference marks, dedicated parts and first-off checks. Protect critical parameters and verify that the physical change parts match the selected recipe.
Yes. Sustainable capacity should include normal cleaning, format changes, replenishment and quality release rather than only the machine cycle while it is running.
It can reveal access, drain-down, part-removal and tool issues while changes are still practical. Site-specific validation and chemicals may still need confirmation after installation.
Ready to discuss the application?
Send Lancing the product, pack and project information for an application review and tailored quotation.
© Copyright 2025 by Lancing Ltd - all right reserved terms & conditions