Maintenance is the cheapest thing a business can do and the first thing it stops doing when busy. The cost of that shows up later as a breakdown at the worst possible moment.
Planned beats reactive, substantially
A service scheduled for a quiet Tuesday costs a fraction of the same repair done urgently mid-job, with a courier fee on the part and a day of lost production alongside it.
The whole discipline is doing it on a schedule rather than on a symptom.
Keep a register
A simple list: what you own, where it is, when it was bought, its serial number, when it was last serviced and when it is next due.
This takes an afternoon once and it does several jobs at the same time. It drives the maintenance schedule, it is the basis for insuring at the right values, and it is the document you cannot produce after a fire or a break-in if it lived only in your head.
Follow the manufacturer's interval
Hours or cycles, not months, for anything that measures its own use. A machine running double shifts needs servicing twice as often as the calendar suggests, and this is where equipment gets quietly destroyed.
Keep the manuals. Where they are gone, most are available from the manufacturer.
Daily checks are worth more than they look
A short routine at the start of a shift — levels, belts, filters, unusual noise, anything visibly loose — catches most failures while they are still cheap.
Whoever operates the machine is the person best placed to notice a change, and they will only mention it if they know it matters and will not be blamed for raising it.
Hold the parts that stop you
Not a full store. The specific consumables and the one or two parts whose absence halts production, where the lead time is long.
The test is simple: if this fails on Monday, how long until I am running again, and what does that cost? Where the answer is bad, hold the part.
Know who fixes it before it breaks
Find the technician, agree the rate, and understand the response time while nothing is wrong. Finding somebody in an emergency means paying an emergency rate to whoever is available.
Keep their number with the register.
Record what was done
Date, what was serviced, by whom, what was replaced. It supports warranty claims, it supports insurance claims, it tells you when a machine is becoming a problem, and it materially increases what the equipment is worth when you sell it.
General guidance on commercial practice. Follow the manufacturer's requirements and use qualified technicians where required.