Daily checks should be carried out to all compressors and it is good practice to record machine hours, oil pressure, outlet pressure and temperature.
All water traps should be checked by manually opening the by-pass valves and if excessive quantities of water are ejected, then the automatic trap should be checked and if necessary repaired.
The lubricating oil level in the compressors should be checked. In lubricated compressors, an excessive loss of oil could indicate oil migrating into the system with the attendant risk of an explosion.
Lubricating oil should be changed at the recommended intervals. Prolonged use of a given charge of oil could lead to a breakdown of the oil into the lighter hydrocarbons and possible explosion within the system.
Source: European Brewery Convention-Manual of Good Practice: Brewery Utilities.
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