Wrench Time

Wrench time is the portion of a maintenance technician's shift spent actually working on equipment, as opposed to travelling, waiting for parts, getting instructions or obtaining permits. Typical wrench time is low, often 25–35%, making it a prime productivity target.

Wrench time measures hands-on productive time. The gap between paid hours and wrench time is consumed by travel, waiting for parts or access, securing permits and clarifying scope — much of which good planning and scheduling can eliminate. Improving wrench time through job kitting, staged materials, clear work orders and reduced permit delays unlocks substantial extra maintenance capacity without adding headcount.

Wrench Time

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