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Underground Loader Electrical Fault

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Information:

What

A diesel powered loader was driving into an underground coal mine when the headlights went out. The tail lights remained on as the loader returned to the surface.

Why

Cabling had become detached from its supports on the machine, and was damaged when it became entangled with a rotating tailshaft. A fuse protection system failed to isolate the 'intermittent' fault on the cable.

Recommendations

Recommendations include increasing the frequency of cabling inspections on machines, At least 3 possible engineering solutions have also been suggested, which utilise detection of a fault to the frame of the loader or detection of an intermittent short circuit.



Organisation:

Department of Natural Resources and Mines

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Jurisdiction:

Relates to Queensland (QLD)

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Information:

HTML
Coverage:

QLD - Queensland

Author:

Natural Resources, Mines and Energy (Qld)

Publisher:

Natural Resources, Mines and Energy (Qld)

Published:

10 Aug 2004

Document Copyright:

Copyright free



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