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Fire on an underground loader

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A fire occurred on an underground loader being operated in an Explosion Risk Zone 1 (a zone in an underground coal mine where methane levels from 0.5–2% might be encountered). The seat of the fire was on and around the main hydraulic pump, which had oil soaked coal packed beneath it. A piece of engine cover insulation foam beside the pump ignited, creating a small fire.

The loader was being used to provide hydraulic power to a pipe trailer, although for 45 minutes prior to the fire it had simply been manoeuvring the pipe trailer into a different position. At the time of the fire the loader was idling and the operator was in the process of connecting the quick-detach power take-off (QDS/PTO) hydraulic hoses so that the pipe trailer could again be operated.

Within five minutes of the fire being extinguished, temperatures as high as 200oC were still being


Department of Natural Resources and Mines

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Relates to Queensland (QLD)

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Queensland Government


28 Jan 2011

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