Lean Manufacturing & Maintenance: How TPM Drives Waste Reduction

At Fiix, we’ve explored a spectrum of maintenance strategies—most recently, Total Productive Maintenance (TPM). While each maintenance team may adopt a unique approach, the question remains: how does maintenance fit into the broader context of manufacturing? To answer that, let’s turn to lean manufacturing.

Lean manufacturing, as defined by LeanProduction, is a relentless pursuit of value for the customer. Any activity that doesn’t add value is considered waste and should be eliminated.

Eight Causes of Production Waste

1. Overproduction – Making items before they’re needed, leading to excess inventory.
2. Waiting – Time that products spend idle, waiting for the next step in the workflow.
3. Transport – Unnecessary movement of materials or finished goods.
4. Motion – Extra movement by people or equipment that doesn’t add value.
5. Overprocessing – Performing more work than required to meet customer needs.
6. Inventory – Stock that exceeds immediate production requirements.
7. Defects – Scrap or rework caused by errors in production.
8. Wasted Human Potential – Underutilized skills and ideas that could improve processes.

Connecting Lean Manufacturing and Maintenance

Waste can arise from virtually any part of the production chain. That’s why the lean toolbox is so extensive—LeanProduction lists 25 tools, including:

• 5S – Organize and standardize the workplace.
• Continuous Improvement (Kaizen) – Ongoing incremental changes.
• Kanban (Pull System) – Demand‑driven production scheduling.
• Root Cause Analysis – Identify and eliminate the source of defects.

Notice that Total Productive Maintenance is itself highlighted as a lean tool. TPM’s core goal—eliminating defects and downtime—aligns perfectly with lean’s waste‑elimination mandate. Without a TPM mindset, a maintenance team can’t fully support lean initiatives, and opportunities to reduce waste slip away.

In short, maintenance is inseparable from lean manufacturing. By adopting a TPM approach, teams can cut excess inventory, slash downtime, and ensure maintenance work doesn’t become a source of waste. The result? A smoother, more value‑focused production flow that satisfies customers and boosts profitability.