Question about Hitachi EC12 Portable Electric 2hp Air Compressor, Oil Lubricated
After the compressor cycles several times, a burnt oil smell is present. I have changed the oil several times but nothing helps. I use 30 weight synthetic oil matching the specs in the manual. The compressor has ceased to run since then. I have bought another ec12 to replace it.
There is a seal between the compressor and the motor that in failed condition will leak oil into motor windings causing burnt oil smell. Some hitachi compressors suffered from failed valves or head gasket causing extra heat but not oil smell. These compressors also have a thermobreaker built into the windings that when failed will prevent motor from starting or would start and run for only a few moments then open. This part is not replaceable. enjoy
Posted on Nov 29, 2008
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Posted on Jan 02, 2017
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