How a maintenance in-charge decides which spares to keep

This story shows a practical response to lead time, cost and what stops the line.

Who this is

This composite follows the maintenance in-charge in a press shop business of about 50 people. Die condition, changeover time and machine availability shape the daily queue. Tooling must be ready before the press stops. The role is answerable for the state of the supplier commitment tracker and for passing exceptions to the stores manager. Calls most often come from people who need a yes, no or reliable date before they can continue.

The task here is how a maintenance in-charge decides which spares to keep. The responsibility is limited: this person can check and record facts within their role, then seek approval when money, safety, customer promises or rules require it.

The moment

One missing entry exposes a risk: the promised receipt date slips until production discovers the shortage. The records exist, but they disagree at the point of decision. The maintenance in-charge has to decide what can move now and what must wait. The information comes from purchase orders, supplier confirmations, rate histories and receipt notes. A quick answer is tempting, especially when the next team is already standing nearby, but an unverified status can become a commitment.

The first action is to put the current source on the desk or screen. It may be a job card, a supplier message or a bank entry. The maintenance in-charge compares the source with the last approved record. A difference is recorded openly. The role then asks who can verify it, rather than inventing a missing value.

This particular moment turns on three small decisions: rank spare need by repair lead time and downtime exposure, count actual stock, and record reorder triggers. Their order matters. A later approval does not repair a wrong quantity or an unsafe condition discovered after work has started.

What they check, in order

1. Confirm the case. Rank spare need by repair lead time and downtime exposure. Look at purchase orders, supplier confirmations, rate histories and receipt notes. Write the reference next to the question instead of keeping it only in chat.
2. Check the original evidence. Verify PO reference, latest confirmed date, material need date and receipt quantity. If two records disagree, keep both and record what needs reconciliation.
3. Look for downstream effects. Count actual stock. Tell the affected team which job, payment, batch or person is waiting. Avoid giving a firm time without evidence.
4. Apply the authority boundary. The stores manager reviews exceptions involving an altered commitment or a decision outside the normal limit. A verbal approval should be documented.
5. Keep the next action visible. Record reorder triggers. Show the person, deadline and the record that will prove the task is done.
6. Verify closure. Find written supplier commitment and matching receipt note. If it is missing, keep the item open and make it the first check at the next review.

The checks are intentionally small. They should fit into the person's existing shift instead of creating another report. More detail is useful only when someone will read it and act on it.

What they wish they knew earlier

They would prefer to have PO reference, latest confirmed date, material need date and receipt quantity before the request becomes urgent. A short update from the previous team can prevent repeated calls. The hard part is deciding whether the update is current and authorised.

The stores manager should receive exceptions with evidence, rather than a stack of routine entries. A verbal promise is a lead, not proof of delivery. Ask for date, dispatch quantity and transporter details.

The one sheet that helps

A small supplier commitment tracker brings the question, the evidence and the next person together. The rows below are examples only. They are neither a real company's records nor measured results.

Update the sheet when something changes, even if that change is a revised promise or a failed check. Do not erase the original instruction. For a reusable version, open Spare parts register.

If you do this job

1. Tomorrow, select one real case that matches Keeping critical spares. Keep the original source visible while you make the check.
2. Record who owns the next move. If the evidence is missing, mark the case open and state the exact document or physical check needed.
3. Before hand-over, tell the next role which part is confirmed and which part still needs a decision. Use Spare parts not available to investigate any repeated gap.

Read next

• Spare parts not available
• Keeping critical spares
• Spare parts register