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Preparing Manufacturing Plants For Winter With Preventative Maintenance

​Martin Geobey, Managing Director, UK & Ireland, at IMI Precision Engineering, outlines how preventative maintenance programmes can help alleviate unforeseen and costly downtime issues as manufacturers get their plants ready for the winter months.

martin geobey MD IMI

Martin Geobey, IMI Precision Engineering Managing Director

The winter months present fresh challenges when it comes to keeping manufacturing plants running and productive.

Busy production periods in the run up to Christmas, reduced maintenance staff numbers as they use up annual leave, and the negative impact of cold and adverse weather conditions on machines and plants, can be a combination that is problematic to manage.

The answer, therefore, to reducing the potential for maintenance-related issues to emerge during winter is to plan.

By planning and implementing a preventative maintenance programme, businesses are able to spot and solve small issues before they have a chance to make a bigger impact.

This approach puts less stress on maintenance teams to complete jobs within a short timeframe, and reduces the risk that tasks are not always rectified satisfactorily when rushed reactively.

Preventative maintenance scheduling means that all elements of the production process are under constant review to eradicate instances of unexpected failure.

Manufacturers should approach continual preventative maintenance to optimise operational efficiencies for the long term.

Examining three key areas will help them to achieve this:

1. Use data for intelligence-based decision making

With the advent of industrial digital technologies (IDTs), organisations now have access to more information about their components’ health and performance than ever before.

Data from smart, connected products placed within production lines can deliver a real time, highly accurate view for operators when it comes to assessing performance against critical KPIs, and whether remedial action is required before issues occur.

A recent Government report estimated that the use of IDTs could, help reduce machine downtime by between 20 and 30 per cent and reduce plant maintenance costs by between 15 and 25 per cent.

2. Learn from experience

Once a preventative maintenance programme is established, not only will the health and performance of the manufacturing output be enriched, it also sets a solid foundation for an ongoing cycle of continuous improvement.

Insight gained from analysing how important components are performing in different environments; how they react to temperature changes and wear and tear, how they deal with altering workload requirements, can help inform and guide plant operation and enable manufacturing organisations to become even more efficient and productive.

It can also identify high energy consuming components and provide an intelligence-based opportunity to replace them with more efficient solutions, or even take a holistic view about where energy and cost can be saved through the whole production process.

A prime example is the common use of compressed air as a vital resource for manufacturers.

Despite its broad use, it remains one of the most expensive forms of energy with a typical 500 litres/sec unit consuming £40,000 of electricity per year. The smallest unidentified and unrectified leak within a compressed air system in an industrial environment will make equipment and production less efficient and significantly increase costs.

Recording the data extracted from components is just half the story. It is using the[ experience for the selection of added value solutions that will make the real difference for manufacturers looking for a competitive edge.

3. Added value support

In the unfortunate event when an issue leads to unplanned downtime, manufacturers should be confident that their supply chain is robust, responsive and quality-led.

Often the need to obtain spare parts quickly, can have a direct impact upon the speed which an issue is sorted, and the total financial cost of downtime.

Making sure your supply chain offers sufficient stock levels, has easy to access technical support and has the back-up of field engineers (if required) can be the ultimate safety net.

Preventative maintenance checklist for pneumatics

To help you, this is a standard preventative maintenance checklist to ensure you are on top of your pneumatic maintenance programme:


  • ​Check your piston rod has not been damaged by material debris, rust or corrosion.
  • ​Remove debris build-up on the piston rod to prevent nose and wiper seals leaking.
  • ​Check piston seals are not worn which will lowering the potential thrust generated.
  • ​Remove moisture or debris contamination from cylinder barrels that could damage piston seals.
  • ​Check all the pivots on cylinder mountings.
  • ​If the cylinder model includes adjustable cushioning, is it functioning to a satisfactory level.
  • ​Check your polycarbonate bowl complies with BS 6005:1997. Does it display any cracking or crazing?
  • ​Is your auto drain still working or leaking? Does the drain present audible leakage?
  • ​Is your lubricator delivering a correct level of oil supply into the downstream?
  • ​Does your pressure gauge still monitor output pressure or is it broken?
  • ​Is your filter element clean enough to prevent pressure drops?
  • ​Is your regulator maintaining optimum pressure? Does the relief hole display a continuous audible leak when under pressure?
  • Check open exhaust ports or breathers are covered to prevent ingress of debris and to conform to COSHH requirements.
  • ​Check upstream filters are not restricting air flow to valves.
  • ​Solenoid operators can often slow down with age – check that the speed of operation is still at optimum levels.
  • ​Check mechanical operators for general wear and tear. Replace if necessary – the consequences of failure can be dangerous!
  • ​Check exhaust ports on valves do not present continuous audible leaks.
  • Whilst machines not running, listen for leaks generally through the whole system.


Building preventative maintenance programmes and planning ahead makes good business sense for manufacturers who want to keep plant performance optimised. Doing so will ensure they can sail through the winter months thanks to highly efficient production capability.

Process Industry Informer

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