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question

For maintenance teams running 24/7 operations, what's the balance between carrying expensive spare parts inventory 'just in case' versus relying on 3-5 day repair services when a critical servo motor fails at 2 AM on a Saturday?

answer

This is a classic maintenance dilemma that keeps operations managers up at night! When that critical servo motor fails at 2 AM on a Saturday, you're facing a tough choice between two expensive options.

The 'just in case' approach means keeping expensive spare parts on hand, which ties up capital and storage space. You're essentially paying insurance premiums in the form of inventory costs. But when disaster strikes, you can swap out the failed motor immediately and get back online fast.

On the other hand, relying on 3-5 day repair services saves you the upfront inventory costs, but the downtime can be devastating. For 24/7 operations, even a few hours of downtime can cost thousands in lost production, not to mention emergency repair premiums that can run $5,000-$15,000 or more.

The smart balance usually involves a hybrid approach: keep spares for your most critical equipment (the ones that would cause catastrophic downtime), use predictive maintenance to anticipate failures before they happen, and have reliable emergency repair partners on standby for less critical items. It's all about calculating your true downtime costs versus your inventory carrying costs.

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